Taxonomic Section

Oecobius annulipes  Lucas

Size: 2-3 mm
General Distribution: Pantropical, California and Oregon to Texas, Florida north to New York and south into Mexico in North America.
Distribution in Area Covered: AZ: Cochise, Pima; TX: Persidio?
Habitat: Walls of buildings.
Adults Present: Throughout year.
Notes: Common tiny spiders that build small sheet webs. Collected at 2400' in Santa Catalina Mountains by Beatty (1961).
Records: Beatty 1961, Shear 1970.
Reference: Beatty 1961, Shear 1970.

Oecobius cellariorum  (Dugás)

Size: 2.5-3 mm.
General Distribution: Western New Mexico through Texas to Oklahoma, Arkansas and NE to Maryland and North Carolina. Absent from most of O. annulipes range.
Distribution in Area Covered: AZ: Cochise; NM: Doña Ana.
Habitat: Human habitations.
Adults Present: Females throughout year, males June-August.
Notes: Similar to above species.
Records: Shear 1970.
Reference: Shear 1970.

Oecobius isolatoides  Shear

Size: 1.8-2.0 mm.
General Distribution: Northern Sinaloa, N to southern Arizona.
Distribution in Area Covered: AZ: Maricopa?, Pima.
Habitat: Thorn scrub and desert foothills.
Adults Present: April-August.
Notes: Unlike most species, this is a native. Collected at 2850' at edge of Tucson Mountains by Beatty (1961).
Records: Beatty 1961, Shear 1970.
Reference: Beatty 1961, Shear 1970.

Oecobius isolatus  Chamberlin

Size: 2-2.5 mm.
General Distribution: Baja California N to Utah.
Distribution in Area Covered: AZ: Mohave, Yuma.
Habitat:
Adults Present:
Notes: Apparently native, but nothing published on habitat.
Records: Shear 1970.
Reference: Shear 1970.

Oecobius putus  O. P.-Cambridge

Size: 2.5-3.2 mm.
General Distribution: Africa, India, Southern California, southern Arizona, western New Mexico, SW Texas, south into Mexico.
Distribution in Area Covered: AZ: Cochise, Maricopa, Pima, Yuma; NM: Grant: TX: Brewster, El Paso
Adults Present: January-August.
Habitat: Buildings.
Notes: Similar to above species. Collected at 2300-2400' in Santa Catalina Mountains by Beatty (1961).
Records: Beatty 1961, Shear 1970, Dean 1996.
Reference: Beatty 1961, Shear 1970, Dean 1996.

Ero furcata  Keyserling

Size:
General Distribution: Widespread.
Distribution in Area Covered: Widespread?
Habitat:
Adults Present:
Notes:
Records: ??
Reference:

Mimetus epeiroides  Chamberlin

Size: Male 3.4 mm, female 4.4-4.7 mm.
General Distribution: Widespread?
Distribution in Area Covered: Widespread?
Habitat: Webs of other spiders.
Adults Present:
Notes: Araneophageous.
Records: ??
Reference:

Mimetus hesperus  Chamberlin

Size: Male 3.5-4.5 mm, female 4.0-6.3 mm.
General Distribution:
Distribution in Area Covered: AZ: Cochise, Pima, Yuma; NM: Doña Ana, Grant; TX: Culberson.
Habitat: Webs of other spiders.
Adults Present:
Notes: Araneophageous. Collected at 2400-6000' in Santa Catalina Mountains by Beatty (1961)
Records: Beatty 1961, Muma 1980, Dean 1996, Roth 1996.
Reference: Beatty 1961, Muma 1980, Dean 1996, Roth 1996.

Mimetus notius  Chamberlin

Size:
General Distribution: Texas.
Distribution in Area Covered: TX: Terrell.
Habitat: Webs of other spiders.
Adults Present:
Notes: Araneophageous.
Records: Vogel 1970.
Reference: Vogel 1970.

Mimetus puritanus  Chamberlin

Size: Male 4-4.5 mm, female 5-5.6 mm.
General Distribution: Texas.
Distribution in Area Covered: TX: Culberson
Habitat: Webs of other spiders.
Adults Present:
Notes: Araneophageous.
Records: Dean 1996.
Reference: Dean 1996.

Mimetus  n. sp. 1

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise.
Habitat: Webs of other spiders.
Adults Present:
Notes: Araneophageous.
Records: Roth 1996.
Reference: Roth 1996.

Mimetus  n. sp. 2

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise.
Habitat: Webs of other spiders.
Adults Present:
Notes: Araneophageous.
Records: Roth 1996.
Reference: Roth 1996.

Hyptiotes puebla  Muma & Gertsch

Size: 2.8-5 mm.
General Distribution: Southwestern United States from Utah S to Arizona, New Mexico and West Texas.
Distribution in Area Covered: AZ: Cochise, Coconino, Gila, Pima; NM: Lincoln, Otero; TX: Brewster.
Habitat:
Adults Present: August-November.
Notes: Collected at 6000-8000' in Santa Catalina Mountains by Beatty (1961).
Records: Beatty 1961, Muma and Gertsch 1964, Vogel 1970, Dean 1996, Roth 1996.
Reference: Beatty 1961, Muma and Gertsch 1964, Vogel 1970, Dean 1996, Roth 1996.

Philoponella arizonica  (Gertsch) (=Uloborus arizonicus Gertsch)

Size:
General Distribution: Arizona.
Distribution in Area Covered: AZ: Pima.
Habitat:
Adults Present:
Notes: Collected at 2720-4450' in Santa Catalina Mountains by Beatty (1961).
Records: Beatty 1961.
Reference: Beatty 1961.

Philoponella oweni   (Chamberlin) (=Uloborus o. Chamberlin)

Size: 3.4-5.7 mm.
General Distribution: Southwestern United States and northwestern Mexico.
Distribution in Area Covered: AZ: Apache (Whiteriver, Showlow)?, Cochise, Coconino? (Oak Creek ) Graham, Pima, Santa Cruz, NM: Hidalgo, Sierra.
Habitat:
Adults Present: May-October.
Notes: Collected at 4300-6000' in Santa Catalina Mountains by Beatty (1961).
Records: Beatty 1961, Muma and Gertsch 1964, Dean 1996, Roth 1996, NMSU collection.
Reference: Beatty 1961, Muma and Gertsch 1964, Dean 1996, Roth 1996.

Siratoba referens   (Muma & Gertsch) (= Ariston r.)

Size: 2.5-3 mm.
General Distribution: Arizona, New Mexico.
Distribution in Area Covered: AZ: Cochise; NM: Bernalillo.
Habitat:
Adults Present: August-September.
Notes:
Records: Muma and Gertsch 1964, Roth 1996.
Reference: Muma and Gertsch 1964, Roth 1996.

Uloborus diversus  Marx

Size: 2.1-4.7 mm.
General Distribution: Oregon and Utah to eastern Arizona south into western Mexico.
Distribution in Area Covered: AZ: Cochise, Maricopa, Pima, Santa Cruz, Yuma.
Habitat:
Adults Present: June?
Notes: Collected at 2750-6000' in Santa Catalina Mountains by Beatty (1961).
Records: Beatty 1961, Muma and Gertsch 1964, Roth 1996.
Reference: Beatty 1961, Muma and Gertsch 1964, Roth 1996.

Uloborus glomosus  Walckenaer

Size: 7-8 mm.
General Distribution: Eastern United States to Texas and S. into Mexico.
Distribution in Area Covered: NM: Doña Ana; TX: Brewster, Presidio.
Habitat:
Adults Present:
Notes:
Records: Muma and Gertsch 1964, NMSU collection, Texas A & M.
Reference: Muma and Gertsch 1964.

Uloborus segregatus  Gertsch

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise.
Habitat:
Adults Present:
Notes:
Records: Roth 1996.
Reference: Roth 1996.

Eidmanella bullata  Gertsch

Size: 2.5 mm.
General Distribution: Culberson Co., Texas.
Distribution in Area Covered: TX: Culberson.
Habitat: Caves.
Adults Present: June.
Notes:
Records: Gertsch 1984, Dean 1996.
Reference: Gertsch 1984, Dean 1996.

Eidmanella delicata  Gertsch

Size: 2.7 mm.
General Distribution: Known only from Ladder Cave, Val Verde Co., Texas.
Distribution in Area Covered: TX: Val Verde.
Habitat: Caves.
Adults Present: April-August.
Notes:
Records: Gertsch 1984.
Reference: Gertsch 1984.

Eidmanella pallida  (Emerton)

Size: 2.2-4 mm.
General Distribution: New England S. to Florida and W to California.
Distribution in Area Covered: AZ: Cochise , Yuma NM: DeBaca, Eddy, Otero.
Habitat: Caves.
Adults Present:
Notes:
Records: Gertsch 1984, Roth 1996, NMSU collection.
References: Gertsch 1984, Roth 1996.

Eidmanella rostrata  Gertsch

Size: 2.5-2.7 mm.
General Distribution: Central to West Texas.
Distribution in Area Covered: TX: Terrell, Val Verde.
Habitat: Caves.
Adults Present:
Notes:
Records: Gertsch 1984.
Reference: Gertsch 1984.

Eidmannella tuckeri   Cockendolpher & Reddell

Size: Female 2.23 mm, male unknown mm.
General Distribution: West Texas.
Distribution in Area Covered: TX: Jeff Davis.
Habitat: Caves.
Adults Present: October
Notes:
Records: Cockendolpher & Reddell 2001.
Reference: Cockendolpher & Reddell 2001.

Anelosimus analyticus  (Chamberlin)

Size: Male 2.5-2.8 mm, female 3.2-4.4 mm.
General Distribution: Southern California to Baja California, Sonora and Colima, Mexico.
Distribution in Area Covered: No records for Arizona, New Mexico or Texas, but one record only 27 mi. south of Nogales.
Habitat: ?
Adults Present: ?
Notes:
Records: Levi 1956.
Reference: Levi 1956.

Argyrodes pluto  (Banks)

Size: Male 3.7 mm, female3.9 mm.
General Distribution: Maryland and Virginia, southwest to Arizona, New Mexico, Texas and Chihuahua, Mexico.
Distribution in Area Covered: AZ: Pima; NM: Hidalgo; TX: Brewster.
Habitat: Webs of other spiders, especially Latrodectus, Metepeira, Araneus, and Argiope.
Adults Present: ?
Notes:
Records: Exline & Levi 1962, Vogel 1970, Dean 1996, NMSU collection.
Reference: Exline & Levi 1962, Vogel 1970, Dean 1996.

Asagena (=Steatoda) americana  (Emerton)

Size: Male 3.2-4.4 mm, female 3.5-4.7 mm.
General Distribution: United States, except California and Oregon, and southern Canada south to Hidalgo, Mexico.
Distribution in Area Covered: AZ: Cochise, Mohave; NM: Catron, Otero.
Habitat: Under stones, loose bark, in leaf litter and in moss, occasionally in vegetation.
Adults Present: ?
Notes:
Records: Levi 1957, Roth 1996.
Reference: Levi 1957, Roth 1996.

Asagena (=Steatoda) fulva  (Keyserling)

Size: Male 5.0 mm, female 4.7 mm.
General Distribution: Southern and western United States south to central Mexico.
Distribution in Area Covered: AZ: Cochise, Coconino, Maricopa, Pima, Pinal, Santa Cruz, Yuma; NM: Doña Ana, Hidalgo; TX: Brewster, El Paso, Hudspeth.
Habitat: Stones and houses, grass and peanuts.
Adults Present: Male March, August, September; female July, September.
Notes: Collected at 2400' in Santa Catalina Mountains by Beatty (1961).
Records: Levi 1957, Gertsch 1960, Beatty 1961, Dean 1996, Roth 1996, NMSU collection.
Reference: Levi 1957, Gertsch 1960, Beatty 1961, Dean 1996, Roth 1996.

Asagena (=Steatoda) medialis   (Banks)

Size: Male 3-4 mm, female 4.3-5.5 mm.
General Distribution: California and Arizona to Texas south to Sinaloa, Mexico.
Distribution in Area Covered: AZ: Maricopa, Pima, Yuma; TX: El Paso, Hudspeth, Jeff Davis, Presidio, Terrell.
Habitat: Under stones in hot, dry deserts.
Adults Present: January-September.
Notes: Collected at 2800' in the Santa Catalina Mountains by Beatty (1961).
Records: Levi 1957, Gertsch 1960, Beatty 1961, Vogel 1970, Dean 1996.
Reference: Levi 1957, Gertsch 1960, Beatty 1961, Vogel 1970, Dean 1996.

Asagena (=Steatoda) pulcher  (Keyserling)

Size:
General Distribution: Texas.
Distribution in Area Covered: TX: Brewster, Terrell.
Habitat: Grass, under rock.
Adults Present: March.
Notes:
Records: Levi 1957, Vogel 1970, Dean 1996.
Reference: Levi 1957, Vogel 1970, Dean 1996.

Canalidion (=Theridion) montanum  (Emerton)

Size: Male 2.2-2.6 mm, female 2.7-3.6 mm.
General Distribution: Canada and northern United States and Rocky Mountains to Utah and northern New Mexico.
Distribution in Area Covered: NM:Taos.
Habitat: 8700 ft.
Adults Present: ?
Notes:
Records: Levi 1957.
Reference: Levi 1957.

Chrosiothes chirica  (Levi) (=Theridiotis c.)

Size: Male1.6 mm, female 2.6-3.0 mm.
General Distribution: Colorado and Arizona south to Distrito Federal, Mexico.
Distribution in Area Covered: AZ: Apache, Cochise, Pima, Santa Cruz.
Habitat: ?
Adults Present: April, June-July, September.
Notes:
Records: Levi 1954, Roth 1996.
Reference: Levi 1954, Roth 1996.

Chrosiothes portalensis  Levi

Size: Male 1.1 mm, female 2.7 mm
General Distribution:
Distribution in Area Covered: AZ: Cochise.
Habitat: ?
Adults Present: July-August
Notes:
Records: Levi 1964, Roth 1996.
Reference: Levi 1964, Roth 1996.

Coleosoma normale  Bryant

Size:
General Distribution: North Carolina and Florida, west to Arizona and south to Venezuela.
Distribution in Area Covered: AZ: Mohave, Yuma.
Habitat:?
Adults Present: ?
Notes:
Records: Levi 1959.
Reference: Levi 1959.

Crustulina stricta  (O. P.-Cambridge)

General Distribution: England and parts of France, United States to Alaska.
Distribution in Area Covered: AZ: Coconino.
Habitat:
Adults Present:
Notes:
Records: Levi 1957.
Reference: Levi 1957.

Cryptachaea (= Archaearanea) canionis  (Chamberlin & Gertsch)

Size:
General Distribution: Utah south to southern California, Arizona and Texas.
Distribution in Area Covered: AZ: Cochise, Pinal?, Yavapai; TX : Culberson.
Habitat:
Adults Present:
Notes:
Records: Levi 1963, Dean 1996, Roth 1996, NMSU collection.
Reference: Levi 1963, Dean 1996, Roth 1996.

Cryptachaea (=Achaearanea) chiricahua  (Levi)

Size: Male 2.4 mm,??female ?
General Distribution: Chiricahua and Santa Catalina Mountains of Arizona.
Distribution in Area Covered: AZ: Cochise, Pima.
Habitat: Under rocks in openings of ponderosa pine and oak forest.
Adults Present: June.
Notes: Collected at 7200' in the Santa Catalina Mountains by Beatty (1961).
Records: Beatty 1961, Levi 1963, Roth 1996.
Reference: Beatty 1961, Levi 1963, Roth 1996.

Cryptachaea (=Achaearanea) porteri  (Banks)

Size:
General Distribution:
Distribution in Area Covered: TX: Culberson, Pecos, Terrell, Val Verde
Habitat:
Adults Present: May, July, September.
Notes: Collected at 2400-3500' in Santa Catalina Mountains by Beatty (1961).
Records: Beatty 1961, Levi 1963.
Reference: Beatty 1961, Levi 1963.

Dipoena abdita  Gertsch & Mulaik

Size: Male 1.4-1.8 mm, female 1.9-2.6 mm.
General Distribution: Southern United States to California, south into Mexico and east to the West Indies.
Distribution in Area Covered: AZ: Pima, "Sacaton"?; NM: Otero.
Habitat: ?
Adults Present:?
Notes:
Records: Levi 1953.
Reference: Levi 1953.

Dipoena bucalis  Keyserling

ize: Male 1.4-1.8 mm, female 1.9-2.6 mm.
General Distribution: Southern United States to California, south into Mexico and east to the West Indies.
Distribution in Area Covered: AZ: Maricopa
Habitat: ?
Adults Present: ?
Notes:
Records: Levi 1963.
Reference: Levi 1963.

Dipoena cathedralis  Levi

Size: Male1.2 mm, female not known.
General Distribution: Brewster County, Texas.
Distribution in Area Covered: TX: Brewster, Jeff Davis.
Habitat:
Adults Present:
Notes:
Records: Levi 1953, Dean 1996.
Reference: Levi 1953, Dean 1996.

Dipoena chathami   Levi

neral Distribution: Arizona.
Distribution in Area Covered: AZ: Yuma.
Habitat:
Adults Present:
Notes:
Records: ??
Reference:

Dipoena dorsata  Muma

Size: Male not known, female1.6-1.8 mm.
General Distribution: Florida to Arizona.
Distribution in Area Covered: AZ: Cochise, Pima.
Habitat: ?
Adults Present: ?
Notes:
Records: Levi 1953, Roth 1996.
Reference: Levi 1953, Roth 1996.

Dipoena malkini  Levi

Size: Male 2.1-2.3 mm, female1.5-3.0 mm.
General Distribution: Southwestern United States and the Pacific Coast.
Distribution in Area Covered: AZ: Cochise, Pima, "Miami"; NM: Cebola ?
Habitat: ?
Adults Present: ?
Notes: Collected at 6000' in Santa Catalina Mountains by Beatty (1961).
Records: Levi 1953, Beatty 1961, Roth 1996.
Reference: Levi 1953, Beatty 1961, Roth 1996.

Dipoena nigra  (Emerton)

Size: Male 1.3-2.0 mm, female 2.1-4.3 mm
General Distribution: Southern Canada and the entire United States.
Distribution in Area Covered: AZ: Pima, Yuma, "Whiteriver", "Williams"; NM: Bernalillo, Sandoval.
Habitat: ?
Adults Present: ?
Notes: Collected at 2700-6000' in Santa Catalina Mountains by Beatty (1961).
Records: Levi 1953, Beatty 1961.
Reference: Levi 1953, Beatty 1961.

Dipoena rita  Levi

Size: Male not known, female 2.3 mm.
General Distribution: Santa Rita Mountains of Arizona.
Distribution in Area Covered: AZ: Santa Cruz ?
Habitat: ?
Adults Present: ?
Notes:
Records: Levi 1953.
Reference: Levi 1953.

Dipoena sulfurica  Levi

Size: Male 2.8 mm, female 3.0-3.7 mm.
General Distribution: Chiricahua Mountains of Arizona and Jemez Mountains of New Mexico.
Distribution in Area Covered: AZ: Cochise; NM: Sandoval.
Habitat: ?
Adults Present: ?
Notes:
Records: Levi 1953, Roth 1996.
Reference: Levi 1953, Roth 1996.

Emertonella taczanowskii  Keyserling

Size:
General Distribution:
Distribution in Area Covered: NM:
Habitat:
Adults Present:
Notes:
Records:
Reference:

Enoplognatha intrepida  (Sørensen)

Size: Male 2.9-3.9 mm, female 2.9-5.0 mm.
General Distribution: Alaska to Greenland south to Minnesota and Pensylvania, and above timberline in Rocky Mountains
Distribution in Area Covered: NM: Taos ? (Penitente Peak).
Habitat: ?
Adults Present: ?
Notes:
Records: Levi 1957.
Reference: Levi 1957.

Enoplognatha joshua  Chamberlin & Ivie

Size: Male 2.9-3.9 mm, female 2.9-5.0 mm.
General Distribution:
Distribution in Area Covered: AZ: ?, N M: Sandoval.
Habitat: ?
Adults Present: ?
Notes:
Records: Levi 1957.
Reference: Levi 1957.

Enoplognatha maricopa  Levi

Size: Male 2.9-3.9 mm, female 2.9-5.0 mm.
General Distribution:
Distribution in Area Covered: AZ: Maricopa
Habitat: ?
Adults Present: Male in March.
Notes:
Records: Levi 1962.
Reference: Levi 1962.

Enoplognatha mormorata  (Hentz)

Size: Male 4.0-6.4 mm, female 3.9-7.0 mm.
General Distribution: Southern Canada to Nova Scotia, United States south to Georgia, Texas, New Mexico, Arizona and California.
Distribution in Area Covered: AZ: Coconino; NM: Otero.
Habitat: ?
Adults Present: ?
Notes:
Records: Levi 1957.
Reference: Levi 1957.

Euryopis californica  Banks

Size:
General Distribution: California, western Arizona.
Distribution in Area Covered: AZ: Yuma.
Habitat: ?
Adults Present: ?
Notes:
Records:
Reference:

Euryopis lineatipes  O. Pickard-Cambridge

Size:
General Distribution: Texas.
Distribution in Area Covered: TX: Presidio.
Habitat: ?
Adults Present: ?
Notes:
Records: Levi 1954, Vogel 1970.
Reference: Levi 1954, Vogel 1970.

Euryopis mulaiki  Levi

Size: Male 1.7 mm, female not known.
General Distribution: Arizona., New Mexico and Texas.
Distribution in Area Covered: AZ: State record only; NM: Doña Ana.
Habitat: Desert.
Adults Present: ?
Notes:
Records: Levi 1954, NMSU Arthropod Museum.
Reference: Levi 1954.

Euryopis scriptipes  Banks

Size: Male 3-4 mm, female 4-6 mm.
General Distribution:Rocky Mountain Region from Canada, south into Mexico.
Distribution in Area Covered: AZ: Apache, Cochise, Coconino, Graham, Pima, Santa Cruz, Yavapai; NM: Catron, Doña Ana, Hidalgo, Otero, Sandoval, San Miguel; TX: Presidio?
Habitat: ?
Adults Present: ?
Notes: Collected at 6000-7500' in Santa Catalina Mountains by Beatty (1961).
Records: Levi 1954, Beatty 1961, Roth 1996, NMSU Arthropod Museum, UNM collections.
Reference: Levi 1954, Beatty 1961, Roth 1996.

Euryopis spinigera  O. P.-Cambridge

Size: ? 1.8 mm,? 1.3-2.3 mm.
General Distribution: Texas, Utah, Arizona and California, south to Panama.
Distribution in Area Covered: AZ: Cochise, Coconino, Pima; NM: "Mimbres Mts.", TX: Jeff Davis, Reeves.
Habitat: Riparian areas?
Adults Present: Male April, July, October, December, female February, October.
Notes: Collected at 6000-8000' in Santa Catalina Mountains by Beatty (1961).
Records: Levi 1954, Beatty 1961, Vogel 1970, Dean 1996, Roth 1996.
Reference: Levi 1954, Beatty 1961, Vogel 1970, Dean 1996, Roth 1996.

Euryopis texana  Banks

Size: ? 2.7 mm,? 3.5-4.0 mm.
General Distribution: Southern Arizona, east to New Mexico and Texas, south to northern Mexico.
Distribution in Area Covered: AZ: Cochise, Pima, Santa Cruz; NM: Doña Ana; TX: Brewster, Presidio, Val Verde.
Habitat: Peanuts.
Adults Present: Male March, July, August; female February-October, December.
Notes:
Records: Levi 1954, Dean 1996, Roth 1996, NMSU collection.
Reference: Levi 1954, Dean 1996, Roth 1996.

Euryopis   sp.

Size:
General Distribution: Southeastern Arizona
Distribution in Area Covered: AZ: Cochise.
Habitat: ?
Adults Present: ?
Notes:
Records: Roth 1996.
Reference: Roth 1996.

Faiditus (=Argyrodes) subdolus  (O. P.-Cambridge)

Size: Male 2.8 mm, female2.6 mm.
General Distribution: Texas, Arizona, Mexico, south to Gutemala.
Distribution in Area Covered: AZ: Santa Cruz.
Habitat: Probably webs of other spiders.
Adults Present: ?
Notes:
Records: Exline & Levi 1962.
Reference: Exline & Levi 1962.

Hentziectypus (=Achaearanea) schulleri  (Gertsch & Mulaik)

Size:
General Distribution: Northern Florida to southern California, south to south-central Mexico.
Distribution in Area Covered: AZ: Pima, Yuma.
Habitat:
Adults Present: May, July, September.
Notes: Collected at 2400-3500' in Santa Catalina Mountains by Beatty (1961).
Records: Beatty 1961, Levi 1963.
Reference: Beatty 1961, Levi 1963.

Lasaeola prona  (Menge)

Size:
General Distribution:
Distribution in Area Covered: TX:
Habitat: ?
Adults Present: ?
Notes:
Records: Roth 1996.
Reference: Roth 1996.

Latrodectus geometricus  C. L. Koch

Size:
General Distribution: Southern United States from Florida and Georgia west to Central Texas and Oklahoma, and from California to Arizona. May also be present in New Mexico.
Distribution in Area Covered: AZ: Maricopa (probably also Yuma)
Habitat: Webs in association with human habitation
Adults Present: Probably year around.
Notes:
Records:
Reference:

Latrodectus hesperus  Chamberlin & Ivie

Size:General Distribution: Western United States from central Texas to Pacific Coast.
Distribution in Area Covered: Probably throughout area.
Habitat: Webs in animal burrows, trash, old and new buildings, overhangs.
Adults Present: Probably year around.
Notes: Collected at 2300-6700' in Santa Catalina Mountains by Beatty (1961), but known from sea level to at least 7000'.
Records: Beatty 1961, Kaston 1970, Dean 1996, Roth 1996, NMSU collection (many specimens).
Reference: Beatty 1961, Kaston 1970, Dean 1996, Roth 1996.

Latrodectus mactans  (Fabricius)

Size:
General Distribution: Eastern United States from New York south to Florida and Texas.
Distribution in Area Covered: TX: Counties along Pecos in south?
Habitat: Webs in animal burrows, trash.
Adults Present: Probably year around.
Notes:
Records: Kaston 1970, Dean 1996.
Reference: Kaston 1970, Dean 1996.

Latrodectus variolus  Walckenaer

Size:
General Distribution: Eastern United States and Canada from Ontario south to Florida and Texas.
Distribution in Area Covered: W TX: Brewster, Pecos, Terrell
Habitat: Webs in shrubs and trees
Adults Present: Probably year around.
Notes:
Records: Kaston 1970, Dean 1996, Texas A & M.
Reference: Kaston 1970, Dean 1996.

Neospintharus (=Argyrodes) baboquivari  (Exline & Levi)

Size: Male 3.5 mm, female 3.7 mm.
General Distribution: Southeastern Arizona, Chihuahua and Sonora, Mexico.
Distribution in Area Covered: AZ: Cochise, Graham, Pima.
Habitat: Webs of other spiders, especially Latrodectus, Diguetia, Theridion and Uloborus.
Adults Present:
Notes: Collected at 4300-5900' in the Santa Catalina Mountains by Beatty (1961).
Records: Beatty 1961, Exline & Levi 1962, Roth 1996, NMSU collection.
Reference: Beatty 1961, Exline & Levi 1962, Roth 1996.

Parasteatoda (=Achaearanea) tepidariorum  (C. L. Koch)

Size
General Distribution: Cosmopolitan, probably introduced.
Distribution in Area Covered: AZ: Yuma; NM: Doña Ana.
Habitat: In houses.
Adults Present: Year around.
Notes:
Records: Levi 1963, NMSU collection.
Reference: Levi 1963.

Platnickia (=Theridion) alabamense  (Gertsch & Archer)

Size:
General Distribution:
Distribution in Area Covered: NM: Santa Fe.
Habitat: Pinyon-Juniper
Adults Present:
Notes:
Records: UNM.
Reference:

Rhomphaea (=Argyrodes) fictillum  (Hentz)

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise.
Habitat: Webs of other spiders.
Adults Present:
Notes:
Records: Exline & Levi 1962, Roth 1996.
Reference: Exline & Levi 1962, Roth 1996.

Steatoda alamosa  Gertsch

Size: Male 3 mm, female 3-5 mm.
General Distribution: Southwestern Texas and adjacent Mexico.
Distribution in Area Covered: TX: Brewster, Jeff Davis, Terrell.
Habitat: To 8200 ft.
Adults Present: June-September, December.
Notes:
Records: Gertsch 1960, Vogel 1970.
Reference: Gertsch 1960, Vogel 1970.

Steatoda albomaculata  (De Geer)

Size: Male 4.3-6.8 mm, female 4.0-8.0 mm.
General Distribution: Southern England, Europe, North Africa, Siberia, China, Kamchatka, western and northern United States to southern Canada and northern Mexico (Chihuahua).
Distribution in Area Covered: AZ: Coconino, Navajo, Pima; NM: Catron, Otero, San Miguel; TX: Brewster, El Paso, Hudspeth.
Habitat: Under stones up to timberline.
Adults Present:
Notes:
Records: Levi 1957.
Reference: Levi 1957.

Steatoda apacheana  Gertsch

Size: Male 4.5 mm, female 4.5-6 mm.
General Distribution: Arizona and New Mexico.
Distribution in Area Covered: AZ: Cochise, Coconino, Pima, Yavapai; NM: Bernalillo, Otero.
Habitat: ?
Adults Present: June-August.
Notes: Collected at 6700' in Santa Catalina Mountains by Beatty (1961).
Records: Gertsch 1960, Beatty 1961, NMSU, UNM collections.
Reference: Gertsch 1960, Beatty 1961.

Steatoda grandis  Banks

Size: Male 4.3-7.4 mm, female 4.9-9.0 mm.
General Distribution: Western United States.
Distribution in Area Covered: AZ: Apache, Cochise, Coconino, Gila, Graham, Pima, Santa Cruz, Yavapai; NM: Colfax, Bernalillo, Catron, Lincoln, Santa Fe, Valencia.
Habitat: Under stones and in cliffs, 7000-8000 ft.
Adults Present: ?
Notes: Collected at 6000-9100' in Santa Catalina Mountains by Beatty (1961).
Records: Levi 1957, Beatty 1961, Roth 1996.
Reference: Levi 1957, Beatty 1961, Roth 1996.

Steatoda grossa  C. L. Koch

Size:
General Distribution: Widespread
Distribution in Area Covered: AZ: Yuma; NM:Doña Ana.
Habitat:
Adults Present: ?
Notes:
Records: Roth Unpublished list.
Reference: Roth Unpublished list.

Steatoda mexicana  Levi

Size: Male 4.8-5.7 mm, female 5.1-9.0 mm.
General Distribution: Idaho south to Arizona and Texas and Guerrero, Mexico.
Distribution in Area Covered: AZ: Cochise, Coconino, Graham, Pima, Santa Cruz; NM: Otero; TX: Brewster.
Habitat: ?
Adults Present: ? October.
Notes: Collected at 7500' in Santa Catalina Mountains by Beatty (1961).
Records: Levi 1957, Beatty 1961, Dean 1996, Roth 1996.
Reference: Levi 1957, Beatty 1961, Dean 1996, Roth 1996.

Steatoda punctulata  (Marx)

Size: Male 3.4 mm, female 3.5-5.0 mm.
General Distribution: Southern Texas and southeastern Arizona south to Tamaulipas and west to Nayarit and Baja California Sur, Mexico.
Distribution in Area Covered: AZ: Cochise, Pima, Santa Cruz; W TX: Terrell.
Habitat: Foothills.
Adults Present: Feburary-December (Probably all year).
Notes: Collected at 7500' in Santa Catalina Mountains by Beatty (1961).
Records: Gertsch 1960, Beatty 1961.
Reference: Gertsch 1960, Beatty 1961.

Steatoda transversa  (Banks)

Size: ? 3.1 mm,? 4.3 mm.
General Distribution: Southern California and Texas to southern Mexico.
Distribution in Area Covered: AZ: Yuma.
Habitat: Alfalfa field.
Adults Present:
Notes:
Records: Levi 1957.
Reference: Levi 1957.

Steatoda triangulosa  (Walckenaer)

Size:
General Distribution:
Distribution in Area Covered: NM:
Habitat: Alfalfa field.
Adults Present:
Notes:
Records:
Reference:

Steatoda variata  Gertsch

Size: Male 4 mm, female 2-6 mm.
General Distribution:Utah and Wyoming, south through Arizona and western Texas into Mexico.
Distribution in Area Covered: AZ: Cochise, Coconino, Pima, Santa Cruz, Yavapai; NM: Bernalillo, Cibola, Doña Ana, Eddy, Luna; TX: El Paso, Hudspeth, Jeff Davis, Presidio, Reeves.
Habitat: To 7000'
Adults Present: May-September.
Notes:
Records: Gertsch 1960, Vogel 1970, NMSU collection.
Reference: Gertsch 1960, Vogel 1970.

Steatoda washona  Gertsch

Size: Male 3-7 mm, female 3.5-6.0 mm.
General Distribution:Oregon and California, south in the mountains to Baja California Norte and east into Idaho, Utah and northern Arizona.
Distribution in Area Covered: AZ: Coconino.
Habitat: Mountains.
Adults Present: April-September, November.
Notes:
Records: Gertsch 1960.
Reference: Gertsch 1960.

Styposis ajo  Levi

Size: Male not known, female 1.6 mm.
General Distribution: Southern Arizona.
Distribution in Area Covered: AZ: Pima.
Habitat: Desert.
Adults Present:
Notes:
Records: Levi 1960.
Reference: Levi 1960.

Theridion aeolium  Levi

Size:
General Distribution: Arizona.
Distribution in Area Covered: AZ: Pima.
Habitat:
Adults Present:
Notes: Collected at 6000 in Santa Catalina Mountains by Beatty (1961).
Records: Levi (date?), Beatty 1961.
Reference: Levi (date?), Beatty 1961.

Theridion arizonense  Levi

Size: Male 2.2 mm, female not known.
General Distribution: Arizona.
Distribution in Area Covered: AZ: Cochise, Pima.
Habitat:
Adults Present:
Notes: Collected at 7500-8300' in Santa Catalina Mountains by Beatty (1961).
Records: Levi 1957, 1969, Beatty 1961, Roth 1996.
Reference: Levi 1957, 1969, Beatty 1961, Roth 1996.

Theridion cochise   Levi

Size: Male not known, female 3.8 mm.
General Distribution: Arizona.
Distribution in Area Covered: AZ: Cochise.
Habitat:
Adults Present:
Notes:
Records: Levi 1963, 1969, Roth 1996.
Reference: Levi 1963, 1969, Roth 1996.

Theridion dilutum  Levi

Size: Male 2.0-2.8 mm, female 2.0-2.9 mm.
General Distribution: Utah to southern California and Texas, south to Nayarit, Mexico.
Distribution in Area Covered: AZ: Gila, Maricopa, Mohave, Pima, Yuma: W TX: Val Verde.
Habitat: ?
Adults Present:
Notes: Collected at 2700' in Santa Catalina Mountains by Beatty (1961)
Records: Levi 1957, Beatty 1961, Roth unpublished list.
Reference: Levi 1957, Beatty 1961, Roth unpublished list.

Theridion frondeum   Hentz

Size: Male 3.0-3.9 mm, female 3.0-4.2 mm.
General Distribution:Southern Canada, northeastern United States, California, Washington and Arizona.
Distribution in Area Covered: AZ: Pima.
Habitat: ?.
Adults Present:
Notes:
Records: Levi 1957.
Reference: Levi 1957.

Theridion gemnipunctum  Chamberlin

Size:
General Distribution:
Distribution in Area Covered: AZ: Yuma.
Habitat: ?.
Adults Present:
Notes:
Records: Roth unpublished list.
Reference: Roth unpublished list.

Theridion gertschi  Levi

Size:
General Distribution:
Distribution in Area Covered: AZ: Santa Cruz.
Habitat: ?.
Adults Present:
Notes:
Records: Levi 1959.
Reference: Levi 1959.

Theridion goodnightorum  Levi

Size: Male 2.7 mm, female 3.0-4.0 mm.
General Distribution: Wyoming and California to central Mexico.
Distribution in Area Covered: AZ: Cochise, Navajo; NM: San Miguel, Valencia?
Habitat: ?
Adults Present:
Notes:
Records: Levi 1957, Roth 1996.
Reference: Levi 1957, Roth 1996.

Theridion hidalgo  Levi

Size:
General Distribution:
Distribution in Area Covered: TX: Val Verde.
Habitat: ?.
Adults Present: Female from July.
Notes:
Records: TAMU.
Reference: Levi 1957.

Theridion leviorum  Gertsch & Reichert

Size:
General Distribution:
Distribution in Area Covered: NM: Lincoln
Habitat: ?.
Adults Present:
Notes:
Records: Gertsch & Reichert 1976.
Reference: Gertsch & Reichert 1976.

Theridion llano  Levi

Size:
General Distribution:
Distribution in Area Covered: TX: Val Verde.
Habitat: ?.
Adults Present: Female from July.
Notes:
Records: TAMU.
Reference: Levi 1963.

Theridion morulum  O. P.-Cambridge (=jeanae Gertsch & Archer)

Size: Male 3.3 mm, female 5.1 mm.
General Distribution: Southeastern Arizona.
Distribution in Area Covered: AZ: Santa Cruz.
Habitat: ?.
Adults Present:
Notes:
Records: Levi 1957.
Reference: Levi 1957, Platnick 1997.

Theridion murarium  Emerton

Size: Male 2.1-3.2 mm, female 2.8-4.3 mm.
General Distribution:Southern Canada, south to Chiapas, Mexico.
Distribution in Area Covered: AZ: Cochise, Coconino; NM: Catron, Doña Ana, Sandoval, Socorro; TX: Widespread.
Habitat: Branches of trees and bushes, fences and buildings.
Adults Present: April-August.
Notes:
Records: Levy 1957, Dean 1996, Roth 1996, NMSU collection.
Reference: Levi 1957, Dean 1996, Roth 1996.

Theridion neomexicanum  Banks

Size: Male 2.4-2.9 mm, female 2.5-4.0 mm.
General Distribution: British Columbia, Canada and western United States.
Distribution in Area Covered: AZ: Apache, Cochise, Coconino, Gila, Graham, Navajo, Pima; NM: Bernalillo, Catron, Cibola, Grant, Lincoln, Otero, Rio Arriba, Sandoval, San Miguel, Santa Fe, Taos, Torrance, Valencia?
Habitat: 7500-9700 ft.
Adults Present:
Notes: Collected at 7500-9100' by Beatty (1961)
Records: Levi 1957, Beatty 1961, Roth 1996.
Reference: Levi 1957, Beatty 1961, Roth 1996.

Theridion (=Achaearanea) ohlerti   (Thorell)

Size: Male 2.1-2.3 mm , female 1.5-2.8 mm.
General Distribution: High mountains of Europe, Scandinavia, Siberia, Greenland, Alaska and Canada, south to California and New Mexico.
Distribution in Area Covered: NM: Rio Arriba, Santa Fe, Taos.
Habitat: High mountains 8600-10,250 ft.
Adults Present:
Notes:
Records: Levi 1957.
Reference: Levi 1957.

Theridion submissum  Gertsch & Davis

Size: Male 1.9-2.2 mm, female unknown.
General Distribution: Southwestern states to Chihuahua, Mexico.
Distribution in Area Covered: AZ: Pima: NM: Socorro; TX: Brewster.
Habitat: ?
Adults Present: Male July.
Notes:
Records: Levy 1957, Vogel 1970, Dean 1996.
Reference: Levi 1957, Vogel 1970, Dean 1996.

Theridion transgressum  Petrunkevitch

Size: 3.8 mm.
General Distribution: Arizona, New Mexico.
Distribution in Area Covered: AZ: Pima, Santa Cruz; NM: Otero, Sandoval, San Miguel, Taos.
Habitat:?
Adults Present:
Notes: Collected at 7500-9100' in Santa Catalina Mountains by Beatty (1961).
Records: Levi 1957, Beatty 1961.
Reference: Levi 1957, Beatty 1961.

Theridion yuma  Levi;

Size:
General Distribution: Arizona
Distribution in Area Covered: AZ: Yuma.
Habitat:?
Adults Present:
Notes:
Records: Levi 1963.
Reference: Levi 1963.

Theridion n. sp. nr. cochise  Levi

Size:
General Distribution: Arizona.
Distribution in Area Covered: AZ: Cochise.
Habitat:?
Adults Present:
Notes:
Records: Roth 1996.
Reference: Roth 1996.

Theridion n. sp.nr. rabuni  Chamberlin & Ivie

Size:
General Distribution: Arizona.
Distribution in Area Covered: AZ: Yuma.
Habitat:?
Adults Present:
Notes:
Records: Roth unpublished list.
Reference: Roth unpublished list.

Theridula gonygaster  (Simon)

Size:
General Distribution: Worldwide in the tropics. Also southern Arizona and Florida.
Distribution in Area Covered: AZ: Cochise.
Habitat:
Adults Present:
Notes:
Records: Levi 1954, 1966, Roth 1996.
Reference: Levi 1954, 1966, Roth 1996.

Thymoites expulsus  (Gertsch & Mulaik)

Size
General Distribution: Texas
Distribution in Area Covered: TX: Val Verde
Habitat: ?
Adults Present: July.
Notes:
Records: Gertsch & Mulaik 1936b, TAMU.
Reference: Gertsch & Mulaik 1936b.

Thymoites maderae  (Gertsch & Archer)

Size: Male 1.1 mm, female 1.00 mm.
General Distribution: Arizona
Distribution in Area Covered: AZ: Cochise, Pima, Santa Cruz.
Habitat: ?
Adults Present: ?
Notes: Collected at 4750-8000' by Beatty (1961).
Records: Levi 1957, Beatty 1961.
Reference: Levi 1957, Beatty 1961.

Thymoites minero  Roth

Size: Male 1.7-2.0 mm, female 2.5 mm.
General Distribution: Arizona
Distribution in Area Covered: AZ: Cochise
Habitat: Caves.
Adults Present: December.
Notes:
Records: Roth 1992, 1996.
Reference: Roth 1992, 1996.

Thymoites pictipes  (Banks)

Size:
General Distribution:
Distribution in Area Covered: AZ: Pima
Habitat: Caves.
Adults Present: December.
Notes:
Records: Levi 1957.
Reference: Levi 1957.

Thymoites sclerotis  (Levi)

Size:
General Distribution: Arizona
Distribution in Area Covered: AZ: Cochise
Habitat:
Adults Present:
Notes:
Records: Roth 1996.
Reference: Roth 1996.

Thymoites . n. sp.  

Size:
General Distribution: Arizona
Distribution in Area Covered:
Habitat:
Adults Present:
Notes:
Records:
Reference:

Thymoites . n. sp.  

Size:
General Distribution: New Mexico
Distribution in Area Covered:
Habitat:
Adults Present:
Notes:
Records:
Reference:

Tidarren haemorrhoidale  (Bertkau)

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise; TX: Presidio
Habitat: ?
Adults Present: ?
Notes:
Records: Roth 1996.
Reference: Roth 1996.

Tidarren sisyphoides  (Walckenaer) (=Tidarren fordum (Keyserling) in part)

Size: Male1.1-1.4 mm, female3.7-6.2 mm.
General Distribution: Kentucky to California, south to Peru, east to Cuba, Haiti and Puerto Rico.
Distribution in Area Covered: AZ: Cochise, Pima Santa Cruz; NM: Hidalgo.
Habitat: Pinyon-Juniper in Animas Mountains
Adults Present: ?
Notes: Collected at 2700-4650' in Santa Catalina Mountains by Beatty (1961).
Records: Levi 1955, Beatty 1961, NMSU collection.
Reference: Levi 1955, Beatty 1961.

Mysmena n. sp.

Size:
General Distribution: South Arizona.
Distribution in Area Covered: AZ: Cochise
Habitat:
Adults Present:
Notes:
Records: Gertsch 1960? Roth 1996.
Reference: Gertsch 1960, Roth 1996.

Bathyphantes pallidus  (Banks)

Size: 2.35 mm
General Distribution: Widely distributed in N. America, less common in western half
Distribution in Area Covered: AZ: Apache
Habitat: Found near water
Adults Present: Mar-Oct
Notes:Despite name, species is dark-colored
Records: Ivie 1969
Reference: Ivie 1969

Centromerus latidens  (Emerton)

Size: Male 2.1-2.5 mm, female 2.0-2.4 mm
General Distribution: Eastern and southeastern N. America
Distribution in Area Covered: AZ: Cochise
Habitat: Forest leaf litter, sometimes in caves
Adults Present: Oct-May
Notes:
Records: Roth 1996.
Reference: Roth 1996.

Ceraticelus crassiceps  Chamberlin & Ivie

Size:
General Distribution:
Distribution in Area Covered: NM: Los Alamos.
Habitat: Mixed-conifer
Adults Present:
Notes:
Records: Lowrie 1985.
Reference: Lowrie 1985.

Ceraticelus similus   (Banks)

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise.
Habitat:
Adults Present:
Notes:
Records: Roth 1996.
Reference: Roth 1996.

Ceraticelus sp. 1  

Size:
General Distribution:
Distribution in Area Covered: NM: Los Alamos.
Habitat:
Adults Present:
Notes:
Records: Lowrie 1985.
Reference: Lowrie 1985.

Ceraticelus sp. 2  

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise.
Habitat:
Adults Present:
Notes:
Records: Roth 1996.
Reference: Roth 1996.

Ceratinella brunnea  Emerton (= C. occidentalis Banks, = C. placida Banks)

Size:???1.5-1.6 mm , ? 1.8-2.0 mm.
General Distribution: Newfoundland, Labrador and New England west to North Dakota and New Mexico, south to North Carolina.
Distribution in Area Covered: NM: San Miguel.
Habitat: Collected at 8000 ft.
Adults Present:March-November.
Notes:
Records: Banks 1901.
Reference: Banks 1901, Chamberlin 1948.

Ceratinella playa   Cokendolpher, Torrence, Smith & Duperre

Size Male 1.54 mm, female 1.54 mm
General Distribution:
Distribution in Area Covered: TX: Briscoe
Habitat: In emergent vegetation in playa wetlands
Adults Present: June
Notes:
Records: Cokendolpher et al. 2007
Reference: Cokendolpher et al. 2007

Ceratinella sp. 1  

Size:
General Distribution:
Distribution in Area Covered: NM: Los Alamos.
Habitat:
Adults Present:
Notes:
Records: Lowrie 1985.
Reference: Lowrie 1985.

Ceratinella sp. 2  

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise.
Habitat:
Adults Present:
Notes:
Records: Roth.
Reference: Roth- notes.

Ceratinops crenatus  (Emerton)

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise.
Habitat:
Adults Present:
Notes:
Records: Roth 1996.
Reference: Roth 1996.

Ceratinops n. sp.  

Size:
General Distribution:
Distribution in Area Covered: NM: Los Alamos.
Habitat:
Adults Present:
Notes:
Records: Lowrie 1985.
Reference: Lowrie 1985.

Ceratinopsis disparata  (Dondale)

Size:
General Distribution: Arizona.
Distribution in Area Covered: AZ:
Habitat:
Adults Present:
Notes:
Records: Dondale 1959.
Reference: Dondale 1959, Ivie 1967.

Ceratinopsis gosibia  Chamberlin

Size:
General Distribution: Arizona
Distribution in Area Covered: AZ:
Habitat:
Adults Present:
Notes:
Records: Chamberlin 1948.
Reference: Chamberlin 1948

Ceratinopsis interventa  Chamberlin

Size:
General Distribution: Arizona
Distribution in Area Covered: AZ:
Habitat:
Adults Present:
Notes:
Records: Chamberlin 1948.
Reference: Chamberlin 1948

Collinsia perplexa  (Keyserling) (=Catabrithorax p.= Tmeticus perplexus= Montilaira p.)

Size:
General Distribution:
Distribution in Area Covered: NM: Bernilillo, Los Alamos, Sandoval.
Habitat:
Adults Present:
Notes:
Records: Crosby & Bishop 1928, Lowrie 1985
Reference: Crosby & Bishop 1928, Lowrie 1985

Disembolus anguineus  Millidge

Size: Male 1.45-1.55 mm, female 1.65 mm
General Distribution: Utah, Arizona and New Mexico.
Distribution in Area Covered: AZ: Cochise; NM: Colfax?, Los Alamos, Sandoval
Habitat:Pinon-juniper
Adults Present: October-March
Notes:
Records: Millidge 1981b, Lowrie 1985.
Reference: Millidge 1981b, Lowrie 1985.

Disembolus concinnus  Millidge

Size: Male 1.60 mm, female 1.70-1.80 mm
General Distribution: Southeastern Arizona.
Distribution in Area Covered: AZ: Cochise.
Habitat:
Adults Present: September-October.
Notes:
Records: Millidge 1981b.
Reference: Millidge 1981b.

Disembolus kesimbus   (Chamberlin)

Size: 1.35-1.40 mm
General Distribution: Utah to Northwestern Arizona.
Distribution in Area Covered: AZ: Coconino.
Habitat:
Adults Present: September-October.
Notes:
Records: Chamberlin 1948, Millidge 1981b.
Reference: Chamberlin 1948.Millidge 1981b

Drapetisca oteroana  Gertsch

Size:
General Distribution: New Mexico
Distribution in Area Covered: NM: Otero (Camp Mary White)
Habitat: Tree trunks in conifer forest
Adults Present:
Notes:
Records: Gertsch 1951.
Reference: Gertsch 1951.

Eridantes sp.  

Size:
General Distribution: NM: Grant, Hidalgo.
Distribution in Area Covered:
Habitat:
Adults Present:
Notes:
Records: Muma 1980.
Reference: Muma 1980.

Erigone angela  Chamberlin & Ivie

Size:
General Distribution:
Distribution in Area Covered: AZ: Pima.
Habitat:
Adults Present:
Notes: Collected at 7500' in Santa Catalina Mountains by Beatty (1961).
Records: : Beatty 1961.
Reference: Beatty 1961.

Erigone autumnalis  Emerton

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise, Yuma; NM: Doña Ana, Grant.
Habitat:
Adults Present:
Notes:
Records: Muma 1980, Richman et al. 1990, Roth 1996.
Reference: Muma 1980, Richman et al. 1990, Roth 1996.

Erigone denticulata  Chamberlin & Ivie

Size: Male 2.18 mm, female 2.65 mm
General Distribution: Western US
Distribution in Area Covered: TX: Lubbock, Briscoe, Swisher
Habitat: Emergent vegetation in playa wetland
Adults Present: June-September
Notes: Also found in wet greenhouse in Lubbock
Records: Cokendolpher et al. 2007
Reference: Chamberlin & Ivie 1939, Cokendolpher et al. 2007

Erigone dentosa  O. Pickard-Cambridge

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise.
Habitat:
Adults Present:
Notes:
Records: Roth 1996.
Reference: Roth 1996.

Erigone whymperi  O. Pickard-Cambridge

Size:
General Distribution:
Distribution in Area Covered: NM: Otero.
Habitat:
Adults Present:
Notes:
Records: ??
Reference: O. P.-Cambridge 1877?

Erigone sp.  

Size:
General Distribution:
Distribution in Area Covered: NM: Grant.
Habitat:
Adults Present:
Notes:
Records: Muma 1980.
Reference: Muma 1980.

Eulaira suspecta  Gertsch & Mulaik

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise; TX: Val Verde.
Habitat:
Adults Present:
Notes:
Records: Vogel 1970, Roth 1996.
Reference: Vogel 1970, Roth 1996.

Frontinella communis  (Hentz) [= F. pyramitela (Walckenaer) in many texts]

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise, Pima, Yuma, NM: Doña Ana, Hidalgo, White Mts.?
Habitat:
Adults Present:
Notes: Collected at 2700-9100' in Santa Catalina Mountains by Beatty (1961).
Records: Beatty 1961, Roth 1996, NMSU collection.
Reference: Beatty 1961, Roth 1996.

Frontinella huachuca  Gertsch & Davis

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise, Pima.
Habitat:
Adults Present:
Notes: Collected at 6000-7500' in Santa Catalina Mountains by Beatty (1961).
Records: Beatty 1961, Roth 1996.
Reference: Beatty 1961, Roth 1996.

Grammonota gentilis  Banks

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise.
Habitat:
Adults Present:
Notes:
Records: Roth 1996.
Reference: Roth 1996.

Grammonota pictilis  (O. P.-Cambridge)

Size:
General Distribution:
Distribution in Area Covered: NM: Bernalillo.
Habitat:
Adults Present:
Notes:
Records: Banks 1901.
Reference: Banks 1901.

Grammonota speciosa  Gertsch & Mulaik

Size:
General Distribution: Texas.
Distribution in Area Covered: TX: Terrell.
Habitat:
Adults Present:
Notes:
Records: Vogel 1970.
Reference: Vogel 1970.

Grammonota nr. pictilis  (O. P.-Cambridge)

Size:
General Distribution:
Distribution in Area Covered: NM: Doña Ana.
Habitat:
Adults Present:
Notes:
Records: Richman et al 1990, NMSU collection, UNM collection
Reference: Richman et al. 1990.

Halorates plumosa  (Emerton) (=Collinsia p. )

Size:
General Distribution: Eastern Canada and New England west to Oregon and south to New Mexico.
Distribution in Area Covered: NM: Los Alamos.
Habitat:
Adults Present:
Notes:
Records: Lowrie 1985.
Reference: Lowrie 1985.

Halorates stylifer  Chamberlin (= Catabrithorax s.)

Size:
General Distribution: West United States N to Alaska. New Mexico?
Distribution in Area Covered:
Habitat:
Notes:
Records: ??
Reference: Vogel? 1967.

Helophora orinoma  (Chamberlin)

Size:
General Distribution:
Distribution in Area Covered: AZ: Pima.
Habitat:
Adults Present:
Notes: Collected at 7500-9100' in Santa Catalina Mountains by Beatty (1961).
Records: Beatty 1961.
Reference: Beatty 1961.

Helophora sp.  

Size:
General Distribution:
Distribution in Area Covered: NM: Los Alamos.
Habitat:
Adults Present:
Notes:
Records: Lowrie 1985.
Reference: Lowrie 1985.

Helophora n. sp. nr. reducta  Keyserling

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise.
Habitat:
Adults Present:
Notes:
Records: Roth?
Reference: Roth.

Horcotes quadracristatus  (Emerton)

Size:
General Distribution:
Distribution in Area Covered: AZ: County?
Habitat:
Adults Present:
Notes:
Records:
Reference:

Idionella nesiotes  Crosby (=Ceraticelus nesiotes)

Size:
General Distribution:
Distribution in Area Covered: AZ: Yuma.
Habitat:
Adults Present:
Notes:
Records: Roth, unpublished list.
Reference: Roth, unpublished list.

Idionella sclerata  (Ivie & Barrows)

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise; NM: Lincoln.
Habitat:
Adults Present:
Notes:
Records: Gertsch & Riechert 1976, Roth 1996.
Reference: Gertsch & Riechert 1976, Roth 1996.

Idionella n. sp.  

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise.
Habitat:
Adults Present:
Notes:
Records: Roth 1996.
Reference: Roth 1996.

Islandiana coconino  Ivie

Size: Male 1.5 mm, female 1.7 mm
General Distribution: Colorado to Arizona and New Mexico.
Distribution in Area Covered:AZ: Coconino; CO: Mesa; NM: Socorro
Habitat: Magdalena Mts., mixed conifer forest
Adults Present: June-July
Notes:
Records: Ivie 1965, UNM collection
Reference: Ivie 1965.

Islandiana flaveola   (Banks)

Size: Less than 1.5 mm
General Distribution: Ontario and northern US to Montana, south to AZ, TX, AR
Distribution in Area Covered: AZ: Cochise; NM: Los Alamos, Santa Fe, Sandoval
Habitat:Piñon-juniper
Adults Present: April-December
Notes:
Records: Ivie 1965, Lowrie 1985, Roth 1996, UNM collection.
Reference: Ivie 1965, Lowrie 1985, Roth 1996.

Islandiana lasalana  (Chamberlin & Ivie)

Size: Male 1.63 mm, female 1.8 mm
General Distribution: UT, NM
Distribution in Area Covered: NM: Sandoval
Habitat:mixed conifer forest
Adults Present:
Notes:UT specimens from about 10,000 ft. elev.
Records: Ivie 1965, UNM collection
Reference: Ivie 1965

Islandiana mimbres  Ivie

Size: Less than 1.5 mm
General Distribution: NM
Distribution in Area Covered: NM: Grant
Habitat:
Adults Present: September
Notes:
Records: Ivie 1965
Reference: Ivie 1965

Jalapyphantes cuernavaca  Gertsch & Davis

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise
Habitat:
Adults Present:
Notes:
Records: Roth 1996
Reference: Roth 1996

Jalapyphantes puebla  Gertsch & Davis

Size:
General Distribution:
Distribution in Area Covered: TX: Jeff Davis
Habitat:
Adults Present:
Notes:
Records:
Reference:

Lepthyphantes intricatus   (Emerton).

Size:
General Distribution:
Distribution in Area Covered: NM: Sandoval
Habitat:
Adults Present:
Notes:
Records: UNM collection
Reference:

Lepthyphantes turbatrix  O. P.-Cambridge (= L. subalpinus)

Size:
General Distribution:
Distribution in Area Covered: NM: Cibola, Los Alamos.
Habitat:
Adults Present:
Notes:
Records: Lowrie 1985, NMSU Arthropod Museum, UNM collection.
Reference: Lowrie 1985.

Lepthyphantes sp. 1  

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise.
Habitat:
Adults Present:
Notes:
Records: Roth 1996.
Reference: Roth 1996.

Lepthyphantes sp. 2  

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise
Habitat:
Adults Present:
Notes:
Records: Roth 1996.
Reference: Roth 1996.

Lepthyphantes sp. 3  

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise
Habitat:
Adults Present:
Notes:
Records: Roth 1996.
Reference: Roth 1996.

Lepthyphantes sp. 4  

Size:
General Distribution:
Distribution in Area Covered: NM: Los Alamos.
Habitat:
Adults Present:
Notes:
Records: Lowrie 1985.
Reference: Lowrie 1985.

Linyphia catalina  Gertsch

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise, Pima.
Habitat:
Adults Present:
Notes: Collected at 7500-8300' in Santa catalina Mountains by Beatty (1961).
Records: Beatty 1961, Roth 1996.
Reference: Beatty 1961, Roth 1996.

Linyphia rita  Gertsch

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise
Habitat:
Adults Present:
Notes:
Records: Roth 1996.
Reference: Roth 1996.

Masoncus arienus  Chamberlin

Size:
General Distribution: Arizona.
Distribution in Area Covered: ?
Habitat:
Adults Present:
Notes:
Records: Chamberlin 1948.
Reference: Chamberlin 1948.

Masoncus conspectus  (Gertsch & Davis)

Size:
General Distribution: Texas.
Distribution in Area Covered: TX: Culberson, Val Verde.
Habitat:
Adults Present: ? December.
Notes:
Records: Vogel 1970, Dean 1996.
Reference: Vogel 1970, Dean 1996.

Maso navajo  Chamberlin

Size: 2.2 mm
General Distribution: Arizona.
Distribution in Area Covered: AZ: Gila.
Habitat:
Adults Present: ? April.
Notes:
Records: Chamberlin 1948.
Reference: Chamberlin 1948.

Meioneta sp 1.  

Size:
General Distribution: Arizona.
Distribution in Area Covered: AZ: Cochise.
Habitat:
Adults Present:
Notes:
Records: Roth 1996.
Reference: Roth 1996.

Meioneta sp 2.  

Size:
General Distribution: Arizona.
Distribution in Area Covered: AZ: Cochise.
Habitat:
Adults Present:
Notes:
Records: Roth 1996.
Reference: Roth 1996.

Meioneta sp 3  

Size:
General Distribution: Arizona.
Distribution in Area Covered: AZ: Cochise.
Habitat:
Adults Present:
Notes:
Records: Roth 1996.
Reference: Roth 1996.

Meioneta sp 4  

Size:
General Distribution: New Mexico
Distribution in Area Covered: NM: Grant, Hidalgo, Los Alamos.
Habitat:
Adults Present:
Notes:
Records: Muma 1980, Lowrie 1985
Reference: Muma 1980, Lowrie 1985.

Meioneta sp 5  

Size:
General Distribution: New Mexico
Distribution in Area Covered: NM: Grant, Hidalgo, Los Alamos.
Habitat:
Adults Present:
Notes:
Records: Muma 1980, Lowrie 1985
Reference: Muma 1980, Lowrie 1985.

Meioneta sp 6  

Size:
General Distribution: New Mexico
Distribution in Area Covered: NM: Grant, Hidalgo, Los Alamos.
Habitat:
Adults Present:
Notes:
Records: Muma 1980, Lowrie 1985
Reference: Muma 1980, Lowrie 1985.

Meioneta sp 7  

Size:
General Distribution: New Mexico
Distribution in Area Covered: NM: Grant, Hidalgo, Los Alamos.
Habitat:
Adults Present:
Notes:
Records: Muma 1980, Lowrie 1985
Reference: Muma 1980, Lowrie 1985.

Mermessus agressus   (Gertsch & Davis) (=Eperigone agressa)

Size: Male 2.65-2.8 mm, female 2.65-2.9 mm
General Distribution: NM and Mexico
Distribution in Area Covered: NM: Otero
Habitat:
Adults Present: April-August
Notes: Occurs at elevations up to 3200 m
Records: Millidge 1987
Reference: Millidge 1987

Mermessus antraeus   (Crosby) (=Eperigone antraea)

Size: Male 2.2-2.8 mm, female 2.65-2.7 mm
General Distribution: TX, AZ, NM, Mexico
Distribution in Area Covered: AZ: Cochise, Apache, Yavapai; NM: Eddy, Otero; TX: Brewster, Culberson.
Habitat: Caves, but occasionally found in the open
Adults Present: April-December
Notes: Closely related to Mermessus taibo
Records: Crosby 1926, Vogel 1970, Millidge 1987, Roth 1996, Dean 1996, NMSU collection.
Reference: Crosby 1926, Vogel 1970, Millidge 1987, Roth 1996, Dean 1996.

Mermessus coahuilanus   (Gertsch & Davis)(=Eperigone coahuilana)

Size: Male 1.9-2.1 mm, female 2.0-2.35 mm
General Distribution: AZ, NM, Mexico
Distribution in Area Covered: AZ: Cochise, Graham, Pima; NM: Grant
Habitat:
Adults Present: May-November
Notes: Collected at 5000-9100' in Santa Catalina Mountains by Beatty (1961).
Records: Beatty 1961, Millidge 1987, Roth 1996.
Reference: Beatty 1961, Millidge 1987, Roth 1996.

Mermessus denticulatus   (Banks)(=Eperigone eschatologica Crosby, in Chamberlin)

Size: Male 1.9-2.5 mm, female 2.75-3.25 mm
General Distribution: Widespread in southern N. America
Distribution in Area Covered: AZ: Cochise, Pima, Yuma; NM: Grant; TX: Widespread.
Habitat: Bluebonnets, cotton, peanuts, under rock, juniper.
Adults Present: Male January, March-December, female March-October.
Notes: Collected at 2400' in Santa Catalina Mountains by Beatty (1961).
Records: Beatty 1961, Muma 1980, Millidge 1987, Roth 1996, Dean 1996, Cokendolpher et al. 2007
Reference: Beatty 1961, Muma 1980, Millidge 1987, Roth 1996, Dean 1996, Cokendolpher et al. 2007

Mermessus inornatus   (Ivie & Barrows) (=Eperigone inornata)

Size: Male 1.45-1.65 mm, female 1.55-1.7 mm
General Distribution: Southern US
Distribution in Area Covered: NM: Otero
Habitat:
Adults Present: February - December
Notes:
Records: Millidge 1987.
Reference: Millidge 1987.

Mermessus maculatus   (Banks)(=Eperigone maculata)

Size: Male 1.45-1.75, female 1.45-1.9 mm
General Distribution:
Distribution in Area Covered: AZ: Cochise; TX: Val Verde.
Habitat: Moss, leaf litter, under logs
Adults Present: Year-round
Notes:
Records: Vogel 1970, Millidge 1987, Roth 1996.
Reference: Vogel 1970, Millidge 1987, Roth 1996.

Mermessus maderus   (Millidge)(=Eperigone madera)

Size: Male 2.65-2.9 mm, female 2.45-3.1 mm
General Distribution:AZ, NM
Distribution in Area Covered: AZ: Cochise, Graham, Pima, Santa Cruz; NM: Otero.
Habitat:
Adults Present: Male August-October, female March, May-September.
Notes:
Records: Millidge 1987.
Reference: Millidge 1987.

Mermessus major   (Millidge) (=Eperigone major)

Size: Male 2.7-3.1 mm, female 3.0-3.65 mm
General Distribution:
Distribution in Area Covered: AZ: Apache, Coconino.
Habitat:
Adults Present: Male April, female April, July.
Notes:
Records: Millidge 1987.
Reference: Millidge 1987.

Mermessus modicus (=Eperigone modica)  (Millidge) (=Eperigone modica)

Size: Female 2.5 mm
General Distribution:
Distribution in Area Covered: AZ:County unknown; NM: Otero
Habitat:
Adults Present: Female August.
Notes: Male unknown
Records: Millidge 1987
Reference: Millidge 1987

Mermessus taibo   (Chamberlin & Ivie) (=Eperigone taibo)

Size:Male 2.1-2.6, female 2.45-2.65 mm
General Distribution:AZ, NM, CO
Distribution in Area Covered: AZ: Apache, Coconino, Greenlee, Pima; NM: Los Alamos, Sandoval.
Habitat: Under logs and stumps
Adults Present: April-October
Notes:
Records: Lowrie 1985, Millidge 1987, UNM Collection
Reference: Lowrie 1985, Millidge 1987

Mermessus tibialis   (Millidge) (=Eperigone tibialis)

Size: Male 2.9 mm, female 3.0 mm
General Distribution: AZ, NM
Distribution in Area Covered: AZ: Cochise; NM: Sierra
Habitat:
Adults Present: April and September
Notes:
Records: Millidge 1987, Roth 1996
Reference: Millidge 1987, Roth 1996

Mermessus trilobatus   (Emerton) (=Eperigone trilobata)

Size: Male 1.55-2.05 mm, female 1.55-2.1 mm
General Distribution: US and Canada
Distribution in Area Covered: AZ: Cochise, Coconino, Graham; NM: Los Alamos.
Habitat: Meadow prairie, leaf litter, moss, salt marsh, along ditches and lake shore
Adults Present: Year-round
Notes:
Records: Lowrie 1985, Millidge 1987, Roth 1996.
Reference: Lowrie 1985, Millidge 1987, Roth 1996.

Mermessus sp.  

Size:
General Distribution:
Distribution in Area Covered: NM: Los Alamos.
Habitat:
Adults Present:
Notes:
Records: Lowrie 1985.
Reference: Lowrie 1985.

Microlinyphia mandibulata punctata  (Chamberlin & Ivie)

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise.
Habitat:
Adults Present:
Notes:
Records: Roth 1996.
Reference: Roth 1996.

Microneta viaria  (Blackwall) = M. soltaui Banks

Size:
General Distribution:
Distribution in Area Covered: NM: Bernalillo.
Habitat:
Adults Present:
Notes:
Records: Banks 1901
Reference: Banks 1901

Neriene radiata  (Walckenaer) (=Prolinyphia marginata (C. L. Koch))

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise; NM: Lincoln, Los Alamos, San Miguel, Sierra.
Habitat:
Adults Present:
Notes:
Records: Helsdingen 1969, Lowrie 1985, Roth 1996, NMSU collection.
Reference: Helsdingen 1969, Lowrie 1985, Roth 1996.

Oedothorax brevipalpus   (Banks)

Size:
General Distribution:
Distribution in Area Covered: NM:
Habitat:
Adults Present:
Notes:
Records: Banks 1901.
Reference: Banks 1901.

Oreonetides vaginatus  (Thorell)

Size:
General Distribution:
Distribution in Area Covered: AZ:
Habitat:
Adults Present:
Notes:
Records:
Reference:

Pityohyophantes brachygynus  Chamberlin & Ivie

Size:
General Distribution:
Distribution in Area Covered: AZ:Pima.
Habitat:
Adults Present:
Notes: Collected at 6000-8300' in Santa Catalina Mountains by Beatty (1961).
Records: Beatty 1961.
Reference: Beatty 1961.

Pityohyphantes minidoka  Chamberlin & Ivie

Size:
General Distribution: Idaho to New Mexico.
Distribution in Area Covered: NM: Cibola, Los Alamos.
Habitat:
Adults Present:
Notes:
Records: Lowrie 1985, NMSU collection, UNM collection
Reference: Lowrie 1985.

Pityohyphantes phrygianus  (C. L. Koch)

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise: NM: Top of Las Vagas Range- San Miguel Co?
Habitat:
Adults Present:
Notes:
Records: Roth 1996.
Reference: Roth 1996.

Pocadicnemis pumila   (Blackwall)

Size:
General Distribution: New York and New Hampshire west to Utah and New Mexico.
Distribution in Area Covered: NM: Los Alamos.
Habitat:
Adults Present:
Notes:
Records: Lowrie 1985.
Reference: Lowrie 1985.

Poeciloneta nr. theridiformis  (Emerton)(=Lepthyphantes sp.)

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise.
Habitat:
Adults Present:
Notes:
Records: Roth 1996.
Reference: Roth 1996.

Scotinotylus apache  (Chamberlin)

Size: Female 2.0 mm
General Distribution:
Distribution in Area Covered: AZ:
Habitat:
Adults Present: October
Notes: Male unknown
Records: Chamberlin 1948, Millidge 1981a.
Reference: Chamberlin 1948, Millidge 1981a.

Scotinotylus kenus  (Chamberlin)

Size: Male 2.1 mm, female 2.2-2.7 mm
General Distribution: Montana, Utah and Arizona
Distribution in Area Covered: AZ:
Habitat:
Adults Present: April-October
Notes: Occurs at moderately high elevations
Records: Chamberlin 1948, Millidge 1981a
Reference: Chamberlin 1948, Millidge 1981a

Scotinotylus pallidus  (Emerton)

Size: Male 1.10-1.65 mm, female 1.1-1.7 mm
General Distribution:Canada, northern US, mountain western US
Distribution in Area Covered: NM
Habitat:
Adults Present: Year-round
Notes:
Records: Millidge 1981a
Reference: Millidge 1981a

Scotinotylus pollucis  Millidge

Size: Male 1.85-2.05 mm, female 1.9 mm
General Distribution:CO, AZ
Distribution in Area Covered: AZ: Cochise.
Habitat: Forests with lodgepole and ponderosa pine, Douglas-fir, or aspen; juniper and oak woodlands, meadows, streams
Adults Present: April-September
Notes: Found at 2400-2800 m elevation
Records: Millidge 1981a, Roth 1996
Reference: Millidge 1981a, Roth 1996

Scotinotylus sanctus  (Crosby)

Size: Male 1.9-2.0 mm, female 2.0-2.1 mm
General Distribution: Western N America
Distribution in Area Covered: AZ:
Habitat: Woodland, lake shore, edge of snow at 2500-3000 m elevation
Adults Present: March-October
Notes:
Records: Millidge 1981a
Reference: Millidge 1981a

Scotinotylus sp.  

Size:
General Distribution:
Distribution in Area Covered: NM: Grant.
Habitat:
Adults Present:
Notes:
Records: Muma 1980.
Reference: Muma 1980.

Scotinotylus sp.  

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise.
Habitat:
Adults Present:
Notes:
Records: Roth 1996.
Reference: Roth 1996.

Sisicottus montanus (Emerton)

Size: Carapace length 0.67-096 mm
General Distribution: Canada, New England, Alaska, Washington, Rocky Mountains south to Arizona
Distribution in Area Covered: AZ
Habitat: Forest, bogs, ditches, leaf litter, grass
Adults Present: June-September
Notes:
Records: Miller 1999
Reference: Miller 1999

Sisicottus orites (Chamberlin)

Size: Carapace length 0.88-2.0 mm
General Distribution: California, Utah, New Mexico, north to Washington and Alberta
Distribution in Area Covered: NM
Habitat: Wet moss and similar habitats as for S. montanus
Adults Present: June-October
Notes:
Records: Miller 1999
Reference: Miller 1999

Sphecozone magnipalpus  Millidge

Size:
General Distribution:
Distribution in Area Covered: AZ:
Habitat:
Adults Present:
Notes:
Records: Millidge 1993
Reference: Millidge 1993

Spirembolus levis  Millidge

Size: Male 1.45 mm, female 1.8-1.9 mm
General Distribution: AZ, CA, Baja California Norte
Distribution in Area Covered: AZ:
Habitat:
Adults Present: November-March
Notes:
Records: Millidge 1980
Reference: Millidge 1980

Spirembolus maderus  Chamberlin

Size: Male 1.45 mm, female 1.7-1.8 mm
General Distribution:
Distribution in Area Covered: AZ: ; NM: Taos
Habitat:
Adults Present: May-December
Notes: Mostly found at high elevations
Records: Millidge 1980
Reference: Millidge 1980

Spirembolus pallidus  Chamberlin & Ivie

Size: Male 1.45-1.55 mm, female 1.55-1.65 mm
General Distribution: Southwestern US
Distribution in Area Covered: AZ: Cochise; NM: Grant? (Mimbres Mts.), Los Alamos.
Habitat:
Adults Present: April-October
Notes:
Records: Millidge 1980, Lowrie 1985, Roth 1996
Reference: Millidge 1980, Lowrie 1985, Roth 1996

Spirembolus spirotubus  (Banks)

Size: Male 1.6-1.7 mm, female 1.9-2.0 mm
General Distribution: New Mexico to Canada
Distribution in Area Covered: NM:
Habitat: Meadow, grassland, marshes
Adults Present: Most June-September
Notes:
Records: Millidge 1980
Reference: Millidge 1980

Spirembolus vallicolens  (Chamberlin)

Size: Male 1.6-1.7 mm, female 1.9-2.0
General Distribution: Utah and Idaho south to California and New Mexico.
Distribution in Area Covered: NM: Los Alamos.
Habitat:
Adults Present: Year-round
Notes:
Records: Millidge 1980, Lowrie 1985.
Reference: Millidge 1980, Lowrie 1985.

Spirembolus venustus   Millidge

Size: Female 2.0 mm
General Distribution: Arizona.
Distribution in Area Covered: AZ: Pima
Habitat:
Adults Present: June
Notes: Male unknown
Records: Millidge 1980
Reference: Millidge 1980

Tachygyna haydeni  Chamberlin & Ivie

Size: 1.35-1.45 mm.
General Distribution: Utah and Colorado south to northern Arizona and New Mexico.
Distribution in Area Covered: AZ: Coconino, Mohave; NM: Colfax.
Habitat:
Adults Present: Males July-October, females April and June-October.
Notes:
Records: Millidge 1984.
Reference: Millidge 1984.

Tachygyna tuoba  (Chamberlin & Ivie)

Size: Male 1.60, female 1.65 mm
General Distribution: Utah to northern New Mexico.
Distribution in Area Covered: NM: Colfax, Sandoval
Habitat:
Adults Present: August and October
Notes:
Records: Millidge 1984, UNM collection
Reference: Millidge 1984

Tachygyna sp.  

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise
Habitat:
Adults Present:
Notes:
Records: Roth 1996.
Reference: Roth 1996.

Tapinopa sp.  

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise.
Habitat:
Adults Present:
Notes:
Records: Roth 1996.
Reference: Roth 1996.

Tennesseellum formicum  (Emerton)

Size:
General Distribution: AZ: Cochise; NM: Doña Ana, Grant, Hidalgo, Lincoln.
Distribution in Area Covered:
Habitat:
Adults Present:
Notes:
Records: Gertsch & Riechert 1976, Muma 1980, Roth 1996.
Reference: Gertsch & Riechert 1976, Muma 1980, Roth 1996.

Walckenaeria blanda  Millidge

Size: Female 2.35-2.45 mm
General Distribution: Southeastern Arizona and southwestern New Mexico.
Distribution in Area Covered: AZ: Cochise; NM: Hidalgo?
Habitat:
Adults Present: May, August-September
Notes: Male unknown
Records: Millidge 1983, Roth 1996
Reference: Millidge 1983, Roth 1996

Walckenaeria directa  (O. P.-Cambridge)

Size: Male 2.0-2.7 mm, female 2.1-2.9 mm
General Distribution: Most of N American except extreme south
Distribution in Area Covered: NM: Los Alamos
Habitat: Grass, leaf litter, shrub habitat
Adults Present: Year-round
Notes: Observed ballooning in Fall
Records: Millidge 1983, Lowrie 1985
Reference: Millidge 1983, Lowrie 1985

Walckenaeria latens  Millidge

Size: Female 3.3 mm
General Distribution: Arizona
Distribution in Area Covered: AZ: Graham
Habitat:Probably montane
Adults Present: August
Notes: Male unknown
Records: Millidge 1983
Reference: Millidge 1983

Walckenaeria minuta  (Emerton)

Size: Male 1.4-1.5 mm, female 1.45-1.60 mm
General Distribution: Eastern and Central United States.
Distribution in Area Covered: NM?
Habitat:
Adults Present: September-May
Notes:
Records: Millidge 1983
Reference: Millidge 1983

Walckenaeria pinocchio  (Kaston)

Size: Male 1.8-2.0 mm
General Distribution: Northeastern N. America
Distribution in Area Covered: NM: Sandoval
Habitat:
Adults Present:
Notes: Female unknown
Records: Kaston 1945, UNM collection
Reference: Kaston 1945, Millidge 1983

Walckenaeria spiralis  (Emerton)

Size:Male 1.9-2.2 mm, female 2.0-2.6 mm
General Distribution: Most of N. America except western coast
Distribution in Area Covered: NM: Hidalgo? Los Alamos
Habitat: Meadows, tall grass, edge of woods, fens, beach dunes
Adults Present: March-November
Notes: Females needed to separate W. spiralis from W. subspiralis
Records: Millidge 1983, Lowrie 1985
Reference: Millidge 1983, Lowrie 1985

Walckenaeria subspiralis  Millidge

Size: Male 1.9-2.3 mm, female 2.1-2.9 mm
General Distribution: Canada south to New York; western N. America
Distribution in Area Covered: AZ:
Habitat: Grass, leaf litter, mud cracks, rocky lake shore, under logs
Adults Present: March-December
Notes: Females needed to separate W. subspiralis from W. spiralis
Records: Millidge 1983.
Reference: Millidge 1983.

Wubana drassoides   (Emerton)

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise; NM: Cibola, Los Alamos
Habitat: High mountains
Adults Present: September (Mt. Taylor)
Notes:
Records: Lowrie 1985, Roth 1996, NMSU Arthropod Museum, UNM collection
Reference: Lowrie 1985, Roth 1996.

Wubana ornata  Chamberlin & Ivie

Size:
General Distribution:
Distribution in Area Covered: AZ: Pima.
Habitat:
Adults Present:
Notes: Collected at 7500' in Santa Catalina Mountains by Beatty (1961).
Records: Beatty 1961.
Reference: Beatty 1961.

Glenognatha emertoni  Simon

Size: Male 4-5 mm, female 4.6-5.4 mm
General Distribution: SE Arizona and SW New Mexico
Distribution in Area Covered: AZ: Cochise
Habitat:
Adults Present:
Notes:
Records: Roth 1996
Reference: Roth 1996

Glenognatha foxi   McCook

Size: Male 1.4-2.2 mm, female 1.6-2.6 mm
General Distribution: Eastern United States, west to California and south into Mexico
Distribution in Area Covered: AZ: Cochise; TX: widespread
Habitat: Bluebonnets, cotton, paintbrush, pasture, peanuts
Adults Present: Male January, February, April-December; female April, June, August
Notes:
Records: Roth 1996, Dean 1996
Reference: Roth 1996, Dean 1996

Leucauge venusta  (Walckenaer)

Size: Male 3.2-5.1 mm, female 3.7-8.0 mm
General Distribution: Eastern US to central Texas and south to Panama; coast of California
Distribution in Area Covered: AZ
Habitat:
Adults Present: Male late May-early July; female April-June
Notes:
Records: Levi 1980
Reference: Levi 1980

Metellina mimetoides  Chamberlin & Ivie

Size: Male 3.1-4.9 mm, female 3.3-6.0 mm
General Distribution: From southern Alaska, Pacific coast to northern Baja California, wet to Utah and in caves from Nevada to Oklahoma
Distribution in Area Covered: AZ: Cochise, Pima; NM: Hidalgo
Habitat:
Adults Present: Vegetation in oak grassland, rock overhangs, caves, and around woodpiles and unused buildings
Notes: Collected at 4300-4750' in Santa Catalina Mountains by Beatty (1961)
Records: Beatty 1961, Roth 1996, NMSU collection
Reference: Beatty 1961, Roth 1996

Pachygnatha dorothea  McCook (= P. brevis)

Size: Male 4.7-6.0 mm, female 5.0-6.2 mm
General Distribution: Canada and US south to New Mexico
Distribution in Area Covered: NM: Valencia
Habitat: Collected from lake shores, river banks, flood plains; in skunk cabbage, pitcher plants and under tree bark
Adults Present:
Notes:
Records: Levi 1980
Reference: Levi 1980

Tetragnatha elongata  Walckenaer

Size: Male 4.8-10.5 mm, female 8.2-13.2 mm
General Distribution: Canada and United States, West Indies
Distribution in Area Covered: AZ: Santa Rita Mts.
Habitat:
Adults Present:
Notes:
Records: Levi 1981
Reference: Levi 1981

Tetragnatha extensa  (Linaeus)

Size: Male 4.3-7.6 mm, female 5.8-8.7 mm
General Distribution: Northern Eurasia, Alaska and SE to Arizona, Colorado and New York
Distribution in Area Covered: AZ: Cochise
Habitat: High mountains
Adults Present:
Notes:
Records: Levi 1981
Reference: Levi 1981

Tetragnatha guatemalensis  O. P.-Cambridge

Size: Male 5.2-10.2 mm, female 5.4-11.5 mm
General Distribution: Nova Scotia, Minnesota, Kansas, New Mexico, southern California south to Panama, Cuba, Jamaica
Distribution in Area Covered: AZ: Pima; NM: Valencia?
Habitat:
Adults Present:
Notes:
Records: Levi 1981
Reference: Levi 1981

Tetragnatha laboriosa   Hentz

Size: Male 4.4-6.7 mm, female 5.7-7.4 mm
General Distribution: Widespread in United States and Canada
Distribution in Area Covered: AZ: Cochise, Pima, Yuma; NM: Doña Ana, Hidalgo, Lincoln, Los Alamos, San Miguel (probably throughout states); TX: Widespread
Habitat:Alfalfa, bluebonnets, brush, citrus, cotton, paintbrush, peanuts, vegetation, junipers, oaks, elms.
Adults Present: Male February-August; female March-July, September-November
Notes: Collected at 2800-9100' in Santa Catalina Mountains by Beatty (1961)
Records: Beatty 1961, Levi 1981, Lowrie 1985, Richman et al. 1990, Roth 1996, NMSU collection
Reference: Beatty 1961, Levi 1981, Lowrie 1985, Richman et al. 1990, Roth 1996

Tetragnatha nitens  (Audouin) [= T. elmora Chamberlin & Ivie, T. steckleri Gertsch and T. vicinia Simon]

Size: Male 5.2-10.1 mm, female 7.4-11.0 mm
General Distribution: Cosmotropical, in N. America north to northern Florida, northern Texas, New Mexico, to northern California
Distribution in Area Covered: AZ: Maricopa, Pima, Yuma; NM: Valencia
Habitat:
Adults Present:
Notes:
Records: Roth unpublished list, Levi 1981
Reference: Roth unpublished list, Levi 1981

Tetragnatha pallescens  F. O. P.-Cambridge [= T. pallida (Banks)]

Size: Male 6.5-9.6 mm, female 7.3-12.2 mm
General Distribution: Eastern United States, west to Texas and New Mexico.
Distribution in Area Covered: AZ: Yuma; NM: San Miguel?
Habitat:
Adults Present:
Notes:
Records: Roth unpublished list, Levi 1981
Reference: Roth unpublished list, Levi 1981

Tetragnatha versicolor  Walckenaer

Size: Male 4.3-9.2 mm, female 5.4-13.3 mm
General Distribution: Widespread
Distribution in Area Covered: AZ: Cochise, Pima, Yuma; NM: Hidalgo, San Miguel, Sierra
Habitat: Mixed-conifer forests, floodplain forests, grasses, always near water
Adults Present:
Notes: Collected at 2800-7500' in Santa Catalina Mountains by Beatty (1961)
Records: Beatty 1961, Levi 1981, Roth 1996, NMSU collection
Reference: Beatty 1961, Levi 1981, Roth 1996

Nephila clavipes  (Linnaeus)

Size: Male 4.6-10.5 mm, female 19-34 mm
General Distribution: SE US, Mexico into South America
Distribution in Area Covered: AZ
Habitat:
Adults Present:
Notes:
Records: Levi 1980
Reference: Levi 1980

Acacesia hamata    (Hentz)

Size: Male 3.6-4.8 mm, female 4.7-9.1 mm
General Distribution: Eastern US, south to Florida and Texas, to northern Brazil
Distribution in Area Covered: TX: Brewster
Habitat: Webs in shrubs and tall weeds
Adults Present: Male July-September; female June-September
Notes: Webs built at sundown and removed at sunrise
Records: Levi 1976, Glueck 1994
Reference: Levi 1976, Glueck 1994

Acanthepeira stellata   (Walckenaer)

Size: Male 5.1-8.1 mm, female 7.0-15.1 mm
General Distribution: Canada to southern Mexico
Distribution in Area Covered: AZ: Cochise; NM: Catron, Hidalgo, San Juan
Habitat: Meadows and fields, and various shrubs, weeds and grass
Adults Present:
Notes:
Records: Levi 1976, NMSU collection
Reference:Levi 1976

Aculepeira aculata   Emerton [= A. packardi Levi]

Size: Male 5.0-8.9 mm, female 5.6-16.5 mm
General Distribution: Siberia, Alaska to Labrador, south to Chihuahua
Distribution in Area Covered: NM: San Miguel
Habitat: Lush meadows at 2500-3000 m elevation
Adults Present:
Notes:
Records: Banks 1901, Levi 1977
Reference: Banks 1901, Levi 1977

Araneus abigeatus   Levi

Size: Males 7.0 mm, females 11.0 mm
General Distribution: Rustler Park, Chiricahua Mountains, Arizona
Distribution in Area Covered: AZ: Cochise
Habitat:
Adults Present: August
Notes:
Records: Levi 1975b, Roth 1996, NMSU collection
Reference: Levi 1975b, Roth 1996

Araneus allani    Levi

Size: Male 2.7 mm, female 3.5-4.0 mm
General Distribution:Southeastern Arizona
Distribution in Area Covered: AZ: Cochise, Santa Cruz
Habitat:
Adults Present: August-September
Notes:
Records: Levi 1973, Roth 1996
Reference: Levi 1973, Roth 1996

Araneus apache   Levi

Size: Male 4.0 mm, female 7.5 mm
General Distribution: Southeastern Arizona
Distribution in Area Covered: AZ: Cochise, Graham, Pima
Habitat:
Adults Present: August- September
Notes:
Records: Levi 1975b
Reference: Levi 1975b

Araneus arizonensis   (Banks)

Size: Male 4.3-4.8 mm, female 4.2-6.1 mm
General Distribution: Arizona, Colorado, New Mexico
Distribution in Area Covered: AZ: Cochise, Gila, Santa Cruz; NM: Lincoln
Habitat:
Adults Present:
Notes:
Records: Levi 1973, Gertsch & Riechert 1976, Roth 1996
Reference: Levi 1973, Gertsch & Riechert 1976, Roth 1996

Araneus bicentenarius   (McCook)

Size: Male 7 mm, female 15 mm
General Distribution: Nova Scotia south to Florida and west to Minnesota and New Mexico
Distribution in Area Covered: NM: Rio Arriba
Habitat: Trees in wooded areas.
Adults Present:
Records: Levi 1971a
Reference: Levi 1971a

Araneus cochise   Levi

Size: Female 3.7 mm
General Distribution: Southeastern Arizona
Distribution in Area Covered: AZ: Cochise
Habitat: Mountains at 1800 m
Adults Present: July
Notes:
Records: Levi 1973, Roth 1996
Reference: Levi 1973, Roth 1996

Araneus detrimentosus  (O. Pickard-Cambridge)

Size: Male 3.8 mm, female 5.3 mm
General Distribution: Western Florida to central California, south to Panama
Distribution in Area Covered: AZ: Santa Cruz
Habitat: Webs on shrubs and trees, such as mesquite, junipers and elms
Adults Present: Male May-October, female March- October
Notes: Used as the type species for the genus Cambridgepeira by Archer (1951)
Records: Levi 1973
Reference: Levi 1973

Araneus gemma   McCook

Size: Male 5.8-8.5 mm, female 9-19 mm
General Distribution: Texas
Distribution in Area Covered: TX: Brewster
Habitat:
Adults Present:
Notes:
Records: Vogel 1970
Reference: Vogel 1970

Araneus gemmoides   Chamberlin & Ivie

Size: Males 5.4-7.9 mm, females 13-25 mm
General Distribution: British Columbia to Wisconsin, south to Missouri and Arizona
Distribution in Area Covered: AZ: Cochise, Coconino, Pima
Habitat:
Adults Present:
Notes: Collected at 6900 ft. in Santa Catalina Mountains by Beatty (1961)
Records: Beatty 1961, Roth 1996
Reference: Beatty 1961, Roth 1996

Araneus guerrerensis   Chamberlin & Ivie [=A. chiricahua Levi]

Size: Male 2.8-3.5 mm, female 3.0-3.9 mm
General Distribution: Arizona south to Hidalgo and Distrito Federal, Mexico
Distribution in Area Covered: AZ: Cochise
Habitat: Low vegetation and pines
Adults Present: August
Notes:
Records: Levi 1973, Roth 1996
Reference: Chamberlin & Ivie 1936, Levi 1973, Roth 1996

Araneus illaudatus   (Gertsch and Mulaik) [=A. pima Levi]

Size: Male 2.9-7.9 mm, female 11.5-27 mm
General Distribution: Utah south to Arizona, New Mexico and Texas
Distribution in Area Covered: AZ: Cochise, Pima, NM: Colfax, Doña Ana, Hidalgo, Union; TX: Brewster
Habitat:
Adults Present:
Notes: Collected at 9100' in Santa Catalina Mountains by Beatty (1961).
Records: Beatty 1961, Levi 1971a, 1975b, Roth 1996, Dean 1996, NMSU collection
Reference: Beatty 1961, Levi 1971a, 1975b, Roth 1996, Dean 1996

Araneus mammatus   (Archer)

Size: Male 5.8 mm, female 8.0 mm
General Distribution:Arizona and New Mexico
Distribution in Area Covered: AZ: Cochise, NM: Santa Fe
Habitat:
Adults Present:
Notes:
Records: Levi 1975b, Roth 1996
Reference: Levi 1975b, Roth 1996

Araneus nordmanni   (Thorell)

Size: Male 7.5 mm, female 15 mm
General Distribution: From Canada south into Mexico, except the Great Plains
Distribution in Area Covered:  AZ: Cochise, Coconino, Pima; NM: Otero
Habitat: Trees and boulders in dark coniferous forests, often at high elevations
Adults Present:
Notes: Collected at 6000 ft. in Santa Catalina Mountains by Beatty (1961)
Records: Beatty 1961, Levi 1971a, Roth 1996
Reference: Beatty 1961, Levi 1971a, Roth 1996

Araneus pegnia   (Walckenaer)

Size: Male 2.5-4.9 mm, female 3.5-8.2 mm
General Distribution: Eastern United States to East Texas, southeastern Arizona and southern California
Distribution in Area Covered: AZ: Cochise; NM: Hidalgo
Habitat: Wet areas
Adults Present:
Notes:
Records: Levi 1973, Roth 1996
Reference: Levi 1973, Roth 1996

Araneus santarita  (Archer)

Size: Female 17 mm
General Distribution: Only known from Arizona
Distribution in Area Covered: AZ: Cochise, Santa Cruz
Habitat: ?
Adults Present: ?
Notes:
Records: Levi 1971a, 1975?, Roth 1996
Reference: Levi 1971a, 1975?, Roth 1996

Araneus thaddeus  (Hentz) [= Neosconella montana Archer]

Size: Males 3.7-5,7 mm, females 5.9-8.0 mm
General Distribution: New England to Minnesota, southwest to Utah and Southeast Arizona and south to central Mexico
Distribution in Area Covered: AZ: Cochise, Pima, Santa Cruz
Habitat: Edges of forests
Adults Present:
Notes: Collected at 7900-8000 ft. in Santa Catalina Mountains by Beatty (1961).
Records: Beatty 1961, Levi 1973, Roth 1996
Reference: Beatty 1961, Levi 1973, Roth 1996

Araneus trifolium  (Hentz)

Size: Male 5-8 mm, female 9-20 mm
General Distribution: Canada south to mid California, northern New Mexico and northern Alabama
Distribution in Area Covered: NM: Colfax
Habitat:Meadows and edges of fields in herbaceous plants
Adults Present:
Notes:
Records: Levi 1971a
Reference: Levi 1971a

Aranieilla displicata  (Hentz)

Size: Male 4.0-5.0mm, female 4.8-7.2 mm
General Distribution: Europe and North America, Arctic to North Carolina and Alabama, west to Arizona
Distribution in Area Covered: AZ: Cochise; NM: Northern part of state, White Mountains, Cibola
Habitat: Small webs often among leaves of bushes or under single leaf
Adults Present:
Notes:
Records: Levi 1974, Roth 1996
Reference: Levi 1974, Roth 1996

Argiope argentata  (Fabricius)

Size: Male 4.0 mm, female 12 mm
General Distribution: Southern California, Arizona and Florida, south to central Argentina
Distribution in Area Covered: AZ: Santa Cruz
Habitat: Webs on shrubs
Adults Present:
Notes:
Records: Levi 1968
Reference: Levi 1968

Argiope aurantia  Lucas

Size: Male 5.5 mm, female 14-25 mm
General Distribution: Nova Scotia, southern Ontario, south to Guatemala City Guatemala but absent from predominantly arid areas
Distribution in Area Covered: NM: Bernalillo, Doña Ana
Habitat: Limited to margins of lakes, stream banks, near ponds or sinks in swamps, and meadows of high grass and goldenrod
Adults Present:
Notes:
Records: Levi 1968, NMSU collection
Reference: Levi 1968

Argiope trifasciata   (Forskal)

Size: Male 5.5-5.8 mm, female 12-26 mm
General Distribution: Southern Canada, south to southern South America
Distribution in Area Covered: AZ: Cochise, Pima, Yuma; NM: Bernalillo, Doña Ana, Hidalgo, Sandoval; TX: Widespread
Habitat: Range lands, tall grass at edges of fields, broomweed, cotton, oak, peanuts, miscellaneous vegetation
Adults Present: Male June-September, October; female January, July-November
Notes: Only silvery, large orb-weaver in our area; collected at 2400' in Santa Catalina Mountains by Beatty (1961)
Records: Beatty 1961, Levi 1968, Dean 1996, Roth 1996, NMSU collection
Reference: Beatty 1961, Levi 1968, Dean 1996, Roth 1996

Cyclosa berlandi    Levi

Size: Male 2.8-3.9 mm, female 4.2-6.5 mm
General Distribution:
Distribution in Area Covered: TX: Brewster
Habitat:
Adults Present: Female September
Notes:
Records: Levi 1999
Reference: Levi 1999

Cyclosa conica   (Pallas)

Size: Male 3.5-4.9 mm, female 3.6-7.9 mm
General Distribution:
Distribution in Area Covered: AZ: Pima?; NM: Western 2/3
Habitat:
Adults Present:
Notes: Collected at 7500-8300' in Santa Catalina Mountains by Beatty (1961)? (could be C. turbinata)
Records: Beatty 1961; Levi 1977
Reference: Beatty 1961; Levi 1977

Cyclosa turbinata  (Walckenaer)

Size: Male 2.1-3.2 mm, female 3.3-5.2 mm
General Distribution: Most of Texas, southern Arizona, south into Mexico
Distribution in Area Covered: AZ:  Cochise; NM: Hidalgo; TX: Widespread
Habitat: Bluebonnets, cotton, croton, prickly pear, oaks, elms
Adults Present: Male April-September; female March-October
Notes:
Records: Levi 1977, Roth 1996, Dean 1996, NMSU collection
Reference: Levi 1977, Roth 1996, Dean 1996

Eriophora edax   (Blackwall)

Size: Male 8-12 mm, female 12-16 mm
General Distribution: Southern parts of California, Arizona and Texas, south Peru and Brazil
Distribution in Area Covered: Southern AZ
Habitat:
Adults Present:
Notes:
Records: Levi 1970
Reference: Levi 1970

Eustala anastera  (Walckenaer)

Size: Male 3.9-9.5 mm, female 5.4-10.0 mm
General Distribution: Southern Canada and most of United States, south to Central America
Distribution in Area Covered: AZ: Cochise?; TX: Widespread
Habitat: Brush, cotton, grass, mesquite, paintbrush, pasture, peanuts, junipers, oak, elm
Adults Present: Male March-September; female April-July, September, October
Notes:
Records: Levi 1977, Dean 1996
Reference: Levi 1977, Dean 1996

Eustala conchlea  (McCook)

Size: Male 4.3-5.0 mm, female 4.6-7.9 mm
General Distribution: Central California coast, Arizona, Baja California and Sinaloa
Distribution in Area Covered: AZ
Habitat:
Adults Present:
Notes:
Records: Levi 1977, Dean 1996
Reference: Levi 1977, Dean 1996

Eustala rosae  Chamberlin & Ivie

Size: Male 5.0-5.9 mm, female 6.8-9.0 mm
General Distribution: Oregon, Utah to Baja California, New Mexico and Chihuahua
Distribution in Area Covered: AZ: Cochise; NM: Los Alamos
Habitat:
Adults Present:
Notes:
Records:
Reference: Levi 1977, Roth 1996

Gea heptagon   (Hentz)

Size: 2.5-4.5 mm
General Distribution: New Jersey and Michigan south to the Caribbean and Panama, west to southern California
Distribution in Area Covered: AZ: Yuma
Habitat: Agricultural fields in Yuma Co. AZ
Adults Present:
Notes:
Records: Levi 1977, Florida State Collection of Arthropods
Records: Levi 1977

Hypsosinga funebris   (Keyserling) [=H. singaeformis (Scheffer)]

Size: Male 2.4-3.5 mm, female 2.9-5.0 mm
General Distribution: Canada to Mexico
Distribution in Area Covered: AZ: Yuma; TX: Val Verde
Habitat: Edges of fields
Adults Present:
Notes:
Records: Levi 1971b, Florida State Collection of Arthropods
Reference: Levi 1971b

Kaira sabino   Levi

Size: Female 5.8 mm
General Distribution: Only known from Arizona
Distribution in Area Covered: AZ: Cochise, Pima
Habitat:
Adults Present:
Notes: Male is unknown
Records: Levi 1977, Roth 1996
Reference: Levi 1977, Roth 1996

Larinia borealis  Banks

Size: Male 3.9-5.4 mm, female 4.5-8.0 mm
General Distribution: New England and southern Canada to eastern Washington and south to Kansas, Virginia and Chihuahua
Distribution in Area Covered:AZ: Apache?; NM: Union, northern and central part part of state
Habitat: Old fields, pine forests, prairie, tall grasses and herbs
Adults Present: May-October
Notes:
Records: Levi 1975a, UNM collection
Reference: Levi 1975a

Larinia directa     (Banks)

Size: Male 3.9-5.4 mm, female 4.5-8.0 mm
General Distribution:
Distribution in Area Covered: AZ: Cochise, Pima, Yuma; TX: Brewster, Presidio
Habitat: Old fields, pine forests, prairie, tall grasses and herbs, bluebonnets
Adults Present: March-December
Notes:  Collected at 2700' in Santa Catalina Mountains by Beatty (1961)
Records: Beatty 1961, Levi 1975a, Roth 1996, Dean 1996
Reference: Beatty 1961, Levi 1975a, Roth 1996, Dean 1996

Larinia famlatoria  (Keyserling)

Size: Male 2.9-3.3 mm, female 3.2-5.6 mm
General Distribution: S. Canada through Wyoming, Idaho, W. Kansas to S. Mexico
Distribution in Area Covered: AZ:
Habitat:
Adults Present:
Notes:
Records: Levi 1975a
Reference: Levi 1975a

Larinoides cornutus   (Clerck) [=Nuctenea cornuta (Clerck)]

Size: Male 4.7-8.5 mm, female 6.5-14.0 mm
General Distribution: Holarctic, perhaps worldwide
Distribution in Area Covered: NM: Grant?
Habitat: In bushes near houses or water
Adults Present:
Notes:
Records: Levi 1974, Roth 1996
Reference: Levi 1974, Roth 1996

Larinoides patagiatus   (Clerck) [=Nuctenea patagiata (Clerck)]

Size: Male 5.8-6.5 mm, female 5.5-11.0 mm
General Distribution: Holarctic, south to Arizona and North Carolina in North America
Distribution in Area Covered: AZ: Navajo?
Habitat: In bushes near houses or water
Adults Present:
Notes:
Records: Levi 1974
Reference: Levi 1974

Mangora fascialata  Franganillo

Size: Male 2.0 mm, female 3.2-3.6 mm
General Distribution: Southern Texas and Baja California to El Salvador and Honduras, Hispaniola and Cuba
Distribution in Area Covered: TX: Brewster
Habitat:Herbs and shrubs in live oak oak thickets
Adults Present: April- December
Notes:
Records: Levi 1975
Reference: Levi 1975

Mangora gibberosa  (Hentz)

Size: Male 2.603.2 mm, female 3.4-4.8 mm
General Distribution:
Distribution in Area Covered: TX: Presidio
Habitat:.
Notes:
Records: Levi 1975, Texas A & M
Reference: Levi 1975

Mangora passiva     (O. P.-Cambridge)

Size: Male 2.2-2.7 mm, female 3.6-5.5 mm
General Distribution: Arizona and New Mexico south to Guatemala
Distribution in Area Covered:: AZ: Cochise, Coconino, Pima, Santa Cruz,; NM: Lincoln
Habitat: Shrubs in pine forest and along streams
Adults Present:
Notes: Found at 1500-2300 m elevation.  Collected at 5600-8000 ft. in Santa Catalina Mountaints by Beatty (1961)
Records: Beatty 1961, Levi 1975, Roth 1996
Reference Beatty 1961, Levi 1975, Roth 1996

Mastophora cornigera   Hentz

Size: Male 1.5-2.25mm, female 11.0-15.0 mm
General Distribution:
Distribution in Area Covered: AZ: Cochise, Maricopa
Habitat:
Adults Present:
Notes:
Records: Gertsch 1955, Roth 1996
Reference: Gertsch 1955, Roth 1996

Metepeira arizonica   Chamberlin & Ivie

Size: Male 2.7-3.8 mm, female 4.7-8.4 mm
General Distribution: West Texas and Southern Chihuahua to southern California
Distribution in Area Covered: AZ: Cochise, Pima; NM: Doña Ana, Hidalgo, Lincoln; TX: "West" (Localities)
Habitat: Oak-pine-juniper woodlands, cactus and agricultural fields
Adults Present: Male March-November, female March-December
Notes: Collected at 2400-7000 ft. in Santa Catalina Mountains by Beatty (1961)
Records: Beatty 1961, Levi 1977, Roth 1996, Dean 1996, NMSU collection
Reference: Beatty 1961, Levi 1977, Roth 1996, Dean 1996

Metepeira comanche   Levi

Size: Male 3.2-5.2 mm, female 4.5-7.2 mm
General Distribution: Texas, New Mexico and Chihuahua
Distribution in Area Covered: NM: Doña Ana, Eddy, Hidalgo, TX: Brewster
Habitat:
Adults Present: February, May-November
Notes:
Records: Levi 1977, Dean 1996, NMSU collection
Reference: Levi 1977, Dean 1996

Metepeira foxi   Gertsch & Ivie

Size: Male 2.7-4.5 mm, female 3.6-6.1 mm
General Distribution: Alberta and British Columbia south to California and West Texas
Distribution in Area Covered: AZ: Cochise; NM: Catron, Guadalupe, McKinley, Sandoval, TX: Jeff Davis
Habitat: Sagebrush, saltbush, hilaria, pine woods and meadows
Adults Present: March-July
Notes:
Records: Levi 1977, Roth 1996; Dean 1996
Reference: Levi 1977, Roth 1996; Dean 1996

Metepeira gosoga  Chamberlin & Ivie

Size: Male 4.4-5.8 mm, female7.5-9.4 mm
General Distribution: Southern Utah to Arizona and California
Distribution in Area Covered: AZ: Santa Cruz? Others?
Habitat: Desert vegetation
Adults Present: June-August
Notes:
Records: Levi 1977
Reference: Levi 1977

Metepeira grandiosa   Chamberlin & Ivie

Size: Male 3.1-5.3 mm, female 4.0-6.8 mm.
General Distribution: Saskatchewan and British Columbia south to Chihuahua
Distribution in Area Covered: AZ:, NM: Hidalgo
Habitat: Meadows, oak-juniper, sagebrush and bunch grass
Adults Present: June-August
Notes:
Records: Levi 1977, NMSU Arthropod Museum
Reference: Levi 1977

Metepeira spinipes   O.P.-Cambridge [= M. grinnelli (Coolidge)].

Size: Male 3.6-6.7 mm, female 5.0-9.4 mm
General Distribution: California and Oregon to Arizona, Sonora and Chihuahua
Distribution in Area Covered: AZ: Cochise, Pima, Santa Cruz -- others?
Habitat:
Adults Present: July-October
Notes:
Records: Levi 1977
Reference: Levi 1977

Metepeira labyrinthea  (Hentz)

Size: Male 3.0-6.8 mm, female 4.0-8.6 mm
General Distribution: Eastern U.S. to far western Oklahoma and the Big Bend of Texas
Distribution in Area Covered: NM: prob. Union Co.; TX: Brewster
Habitat:Shrubs in forested areas, indoors, peanuts
Adults Present: Male May-August, female Spring to late fall
Notes:
Records: Vogel 1970, Levi 1977, Dean 1996
Reference: Vogel 1970, Levi 1977, Dean 1996

Micrathena funebris   (Marx)

Size: Male 4.0-4.1 mm, female 5.8-7.2 mm
General Distribution: Arizona and Baja California, south to Guatemala
Distribution in Area Covered: AZ: Pima
Habitat:
Adults Present:
Notes: Collected at 2700' in Santa Catalina Mountains by Beatty (1961)
Records: Beatty 1961
Reference: Beatty 1961

Neoscona arabesca   (Walckenaer)

Size: Male 4.2-9.2 mm, female 5.2-12.3 mm
General Distribution: Southern Canada, entire United States and south to Guatamala
Distribution in Area Covered: AZ: Cochise, Yavapai, other; NM: Doña Ana, Lincoln, San Miguel; TX: Widespread
Habitat:Shrubs, meadows, junipers and swampy areas, bluebonnets, citrus, cotton, croton, mesquite, oak, paintbrush, pasture, peanuts
Adults Present: Male February-October, December; female February-October
Notes:
Records: Berman and Levi 1971, Roth 1996, Dean 1996
Reference: Berman and Levi 1971, Roth 1996, Dean 1996

Neoscona crucifera   (Lucas) [= N. hentzi (Keyserling)]

Size: Male 4.5-15.0 mm, female 8.5-19.7 mm
General Distribution: Ontario and Massachusetts south to central Mexico and west to Arizona
Distribution in Area Covered: AZ: Cochise, Pima, Santa Cruz, Yavapai, others?? NM: Chaves, Eddy, Lea; TX: Widespread
Habitat:Open woods, pine woodland, junipers
Adults Present: Male April, August, September; female July-November
Notes:
Records: Roth 1996, Dean 1996, NMSU collection
Reference: Berman and Levi 1971, Roth 1996, Dean 1996

Neoscona oaxacensis   (Keyserling)

Size: Male 6.3-12.7 mm, female 8.9-18.0 mm
General Distribution: Kansas and California south to Venezuela and Peru
Distribution in Area Covered: AZ: Cochise, Greenlee, Maricopa, Mohave, Pima, Pinal, Yuma; NM: Cibola, Doña Ana, Hidalgo, Eddy, Lincoln, Luna; TX: Jeff Davis, Presidio
Habitat Edges of agricultural fields, gardens, shrubs, tall grass, junipers, old houses and bridges
Adults Present: June-December at least
Notes: Collected at 2300-2700 ft. in Santa Catalina Mountains by Beatty (1961)
Records: Beatty 1961, Berman and Levi 1971, Roth 1996, Dean 1996, NMSU collection
Reference:  Beatty 1961, Berman and Levi 1971, Roth 1996, Dean 1996

Neoscona orizabensis   F.O. Pickard-Cambridge

Size: Male 6.1-8.0 mm, female 10.3-15.1 mm
General Distribution: Mexico to southern New Mexico
Distribution in Area Covered: NM: Otero
Habitat: Mountain meadow
Adults Present:
Notes:
Records: NMSU Arthropod Museum (Identified by H. W. Levi)
Reference: Berman and Levi 1971

Neoscona utahana   (Chamberlin)

Size: Male 6.2-8.0 mm, female 8.8-10.4 mm
General Distribution: Utah, Colorado and Kansas south to southern Chihuahua and Coahuila, Mexico
Distribution in Area Covered: NM: Lincoln?, Otero? TX: Big Bend (county?)
Habitat: Citrus, cotton
Adults Present: Male August; female June, October
Notes:
Records:
Reference: Berman and Levi 1971

Ocrepeira globosa   (F. O. Pickard-Cambridge) [=Wixia globosa F. O. Pickard-Cambridge]

Size: Male 5.0 mm, female 3.7-6.3 mm
General Distribution: Kansas, Arizona, south to southern Mexico
Distribution in Area Covered: AZ: Cochise
Habitat:
Adults Present:
Notes:
Records: Levi 1976, Roth 1996
Reference: Levi 1976, Roth 1996

Allocosa apora   (Gertsch)

Size: Male 4.1-5.9 mm, female 4.8-7.1 mm
General Distribution: Utah south to Costa Rica
Distribution in Area Covered: AZ: Maricopa, Navajo, Pinal, Santa Cruz
Habitat:
Adults Present:
Notes:
Records: Dondale & Redner 1983b
Reference: Dondale & Redner 1983b

Allocosa chamberlini   (Gertsch)

Size: Male 3.5-5.9 mm, female 4.8-6.8 mm
General Distribution: Montana and Nebraska, south to Arizona and New Mexico
Distribution in Area Covered: AZ: Cochise, Pima, Santa Cruz, Yavapai; NM: Los Alamos
Habitat: Under stones near water
Adults Present:
Notes:
Records: Dondale & Redner 1983b, Roth 1996
Reference: Dondale & Redner 1983b, Roth 1996

Allocosa mokiensis   (Gertsch)

Size: Male 5.4-7.3 mm, female 6.0-9.6 mm
General Distribution: Arizona and New Mexico
Distribution in Area Covered: AZ: Cochise, Coconino, Gila, Graham, Navajo, Pima, Santa Cruz, Yavapai; NM: Grant, Socorro
Habitat: Leaf litter beside streams and on stones in running water at elevations up to 2280 m
Adults Present: March- December
Notes: Collected at 2800-8300 ft. in Santa Catalina Mountains by Beatty (1961)
Records: Beatty 1961, Dondale & Redner 1983b, Roth 1996
Reference: Beatty 1961, Dondale & Redner 1983b, Roth 1996

Allocosa morelosiana    (Gertsch & Davis)

Size: Male 3.7-5.0 mm, female 4.9-6.5 mm
General Distribution: Arizona and New Mexico to central Mexico
Distribution in Area Covered: AZ: Cochise, Santa Cruz; NM: Grant, Lincoln, San Miguel
Habitat: Oak and pinyon-juniper woodland
Adults Present: May-August
Notes:
Records: Dondale & Redner 1983b, Roth 1996, UNM collection, NMSU collection
Reference: Dondale & Redner 1983b, Roth 1996

Allocosa noctuabunda    (Montgomery)

Size: Male 5.5-8.1 mm, female 6.2-9.2 mm
General Distribution: Indiana and Arkansas west to Oklahoma, New Mexico and Texas, south into northern Mexico
Distribution in Area Covered: NM: San Miguel, TX: Jeff Davis
Habitat:
Adults Present: Males April-July, females April-August
Notes:
Records: Dondale & Redner 1983b
Reference: Dondale & Redner 1983b

Allocosa parva   (Banks) [= Trochosa parva]

Size: Male 4.5-6.7 mm, female 5.5-8.3 mm
General Distribution: Colorado and Utah south to Costa Rica
Distribution in Area Covered: AZ: Cochise, Greenlee; NM: Lincoln, Los Alamos, Otero, San Miguel, Santa Fe, Taos
Habitat: Dry grassland, under stones, in leaf litter and in buildings
Adults Present: February to November
Notes:
Records: Dondale & Redner 1983b, Roth 1996
Reference: Dondale & Redner 1983b, Roth 1996

Allocosa pylora    Chamberlin

Size: Male 5.5-7.2 mm, female 7.3 mm
General Distribution: Arizona to central Texas
Distribution in Area Covered: AZ: General record; NM: San Miguel; TX: El Paso
Habitat:
Adults Present:
Notes:
Records: Dondale & Redner 1983b
Reference: Dondale & Redner 1983b

Allocosa subparva   Dondale & Redner

Size: Male 4.8-7.9 mm, female 5.7-9.3 mm
General Distribution: Oregon and Idaho, south to Nayarit, Mexico
Distribution in Area Covered: AZ: Apache, Cochise, Pima, Pinal, Santa Cruz
Habitat: Beaches of lakes and rivers, creek beds, crevices under stones, lawns up to 2200 m
Adults Present: Year-round
Notes:
Records: Dondale & Redner 1983b, Roth 1996
Reference: Dondale & Redner 1983b, Roth 1996

Allocosa utahana   Dondale & Redner

Size: Male 6.4 mm, female 4.7-6.0 mm
General Distribution: Utah to New Mexico
Distribution in Area Covered: NM: San Miguel
Habitat:
Adults Present:
Notes:
Records: UNM collection
Reference: Dondale & Redner 1983b

Allocosa  sp.

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise
Habitat:
Adults Present:
Notes:
Records: Roth
Reference: Roth

Alopecosa aculeata   (Clerck)

Size: Male 7.24-9.45 mm, female 8.13-11.30 mm
General Distribution: Canada and Alaska, south to New England, Mississippi and New Mexico
Distribution in Area Covered: NM: Los Alamos
Habitat:
Adults Present:
Notes:
Records: Dondale & Redner 1979
Reference: Dondale & Redner 1979

Alopecosa kochi   (Keyserling)[= Tarentula kochi]

Size: Male 6.6-11.4 mm, female 9.0-11.0 mm
General Distribution: Southern British Columbia to southern Ontario and Massachusetts, southward to Baja California and Texas
Distribution in Area Covered: AZ: Cochise, Pima, Yuma; NM: Cibola,  Doña Ana, Grant, Hidalgo, San Miguel, Sandoval
Habitat: Common from piñon-juniper woodland to mixed-conifer forest
Adults Present:
Notes: Collected at 7500-9100' in Santa Catalina Mountains by Beatty (1961)
Records: Beatty 1961, Muma 1980, Roth 1996, NMSU Arthropod Museum and UNM collection
Reference: Beatty 1961, Muma 1980, Roth 1996

Arctosa alpigena  (Doleschall)

Size: Male 4.8-6.4 mm, female 6.7-9.3 mm
General Distribution: Alaska to Labrador, south to Arizona New Mexico and New Hampshire; Greenland; Europe and Asia
Distribution in Area Covered: NM: Bernalillo
Habitat: Bogs, tundra, alpine meadows, pine forests
Adults Present: June-September
Notes:
Records: Dondale & Redner 1983
Reference: Dondale & Redner 1983

Arctosa littoralis  (Hentz)

Size: Male 9.6-12.8 mm, female 11.2-14.7 mm
General Distribution: Interior British Columbia to Nova Scotia, south to Panama
Distribution in Area Covered: AZ: Cochise, Pima, Yuma; NM: Los Alamos; TX: Brewster
Habitat: Rocky stream beds
Adults Present: February to November
Notes: Collected at 2800' in Santa Catalina Mountains by Beatty (1961)
Records: Beatty 1961, Vogel 1970, Dondale & Redner 1983, Roth 1996
Reference: Beatty 1961, Vogel 1970, Dondale & Redner 1983, Roth 1996

Camptocosa parallela  (Banks) [= Schizocosa celerior Chamberlin ]

Size: Male 5.58±0.29 mm, female 6.46±0.56 mm
General Distribution: Interior California east to southern Utah and Texas, south to Baja California Sur and Durango
Distribution in Area Covered: AZ: Cochise, Coconino Maricopa, Pima, Santa Cruz, Yavapai; NM: Doña Ana, Hidalgo, Los Alamos; TX: Brewster
Habitat: Along streams, open stony or sandy ground; most active after sunset
Adults Present: Males mid-May to early August; females mid-June to mid-September
Notes: Collected on Jornada Expermental Range under Yucca trunks
Records: Dondale et al. 2005, NMSU Arthropod Museum, UNM collection
Reference: Dondale et al. 2005

Camptocosa texana  Dondale, Jimenez & Nieto

Size: Male 5.98-6.03 mm
General Distribution: Texas
Distribution in Area Covered: TX: Culberson
Habitat: Open areas and caves
Adults Present: Males April-July
Notes: Female not known
Records: Dondale et al. 2005, Texas A & M collection
Reference: Dondale et al. 2005

Geolycosa gosoga  (Chamberlin)

Size:
General Distribution: Southern California and Arizona
Distribution in Area Covered: AZ: Pima
Habitat:
Adults Present: July-August
Notes:
Records: Wallace 1942a
Reference: Wallace 1942a

Geolycosa missouriensis  (Banks)

Size: Male carapace length 8.4 mm, female carapace length 9.7 mm
General Distribution: Eastern US and Great Plains to coastal plain of Texas, and west of eastern flank of the Rockies
Distribution in Area Covered: NM: Otero, San Miguel, Santa Fe
Habitat:
Adults Present: June-October
Notes:
Records: NMSU Arthropod Museum
Reference: Wallace 1942a

Geolycosa rafaelana   (Chamberlin)

Size: Female 12 mm
General Distribution:
Distribution in Area Covered: NM: Doña Ana, Grant, Lincoln
Habitat: Burrows in desert floor
Adults Present: May-August
Notes:
Records: Gertsch and Riechert 1976, Muma 1980, NMSU Arthropod Museum
Reference: Gertsch and Riechert 1976, Muma 1980

Geolycosa uinticolens  (Chamberlin)

Size: Female 16 mm
General Distribution:
Distribution in Area Covered: AZ: Navajo
Habitat:
Adults Present: July
Notes:
Records: Wallace 1942a
Reference: Wallace 1942a

Geolycosa wrightii  (Emerton)

Size: Male carapace length 7.2 mm, female carapace length 8.6 mm
General Distribution: Great Lakes to S. Dakota and Manitoba; Oklahoma
Distribution in Area Covered: NM: Union?
Habitat:
Adults Present: May-October
Notes:
Records: NMSU Arthropod Museum
Reference: Wallace 1942a

Gladicosa gulosa   (Walckenaer)

Size: Male 11.46±0.30 mm, female 13.18±0.49 mm
General Distribution: Eastern United States, west to Utah and New Mexico
Distribution in Area Covered: NM: Los Alamos
Habitat:
Adults Present: January-October
Notes:
Records:
Reference: Brady 1986

Hesperocosa unica   (Gertsch & Wallace) [= Schizocosa unica ]

Size: Male 4.0 mm, female 5.9 mm
General Distribution: Arizona, New Mexico and Texas
Distribution in Area Covered: AZ: Cochise; NM: Doña Ana, Grant, Lincoln; TX: Terrell
Habitat: Desert
Adults Present: July
Notes:
Records: Vogel 1970, Gertsch & Riechert 1976, Muma 1980, Roth 1996, NMSU Arthropod Museum
Reference: Vogel 1970, Gertsch & Riechert 1976, Muma 1980, Roth 1996

Hogna antelucana   (Montgomery)

Size
General Distribution: Southern US from Florida to Texas, north to Kentucky; Arizona, Utah, California
Distribution in Area Covered: AZ: Cochise, Pima, Yuma; NM: Otero; TX: Presidio, Val Verde
Habitat:
Adults Present:
Notes: Collected at 2400-2700' in Santa Catalina Mountains by Beatty (1961)
Records: Beatty 1961, Muma 1975, Roth 1996, Texas A & M collection
Reference: Gertsch & Wallace 1935, Beatty 1961, Muma 1975, Roth 1996

Hogna baltimoriana   (Keyserling) [= H. benedicta (Chamberlin)]

Size: Male 14.84-15.57 mm, female 17.80 mm
General Distribution: Minnesota to southern Ontario and Massachusetts, south to Arizona and Florida
Distribution in Area Covered: AZ:
Habitat:
Adults Present: Males September-November, females September-November, April
Notes:
Records: Chamberlin 1925
Reference: Chamberlin 1925, Dondale & Redner 1990

Hogna carolinensis   (Hentz)

Size: Male 19.00 mm, female 20.32-30.00 mm
General Distribution: Southern United States into Mexico
Distribution in Area Covered: AZ: Cochise, Pima, Yuma; NM: Doña Ana, Lincoln, San Miguel, Sandoval, Santa Fe; TX: Terrell
Habitat:
Adults Present:
Notes: Collected at 2700-4500 ft. in Santa Catalina Mountains by Beatty (1961)
Records: Beatty 1961, Vogel 1970, Roth 1996, NMSU Arthropod Museum
Reference: Banks 1901, Beatty 1961, Vogel 1970, Dondale & Redner 1990, Roth 1996

Hogna coloradensis   (Banks)

Size: Male 10.99 mm, female 13.67-14.46 mm
General Distribution: Northern Mexico, eastern Arizona, New Mexico, Colorado, west Texas
Distribution in Area Covered: AZ: Cochise; NM: Doña Ana, Grant, Lincoln, Otero; TX: El Paso, Pecos
Habitat: Makes burrows in sandy and grassland habitats
Adults Present: February-July
Notes:
Records: Muma 1975, Gertsch & Riechert 1976, Muma 1980, Roth 1996, Slowik & Cushing 2007, Texas A & M collection
Reference: Muma 1975, Gertsch & Riechert 1976, Muma 1980, Roth 1996, Slowik & Cushing 2007

Hogna frondicola   (Emerton) [= Lycosa modesta (Thorell)]

Size: Male 10.28±1.10 mm, female 12.02±1.31 mm;
General Distribution: Eastern United States, Kansas, west to Montana, Utah and Arizona
Distribution in Area Covered: AZ:; NM: San Miguel
Habitat: Meadows, leaf litter in forests
Adults Present: July-August
Notes:
Records:
Reference: Banks 1901, Chamberlin 1908, Dondale & Redner 1990

Hogna helluo   Walckenaer

Size: Male 10.31±0.94 mm, female 17.87±2.61 mm
General Distribution: Illinois and Iowa west to Utah and New Mexico
Distribution in Area Covered: NM: Bernalillo; TX: Brewster
Habitat: Moist fields, forests and roadsides; edges of marshes and bogs
Adults Present: Males May-September, females year-round
Notes:
Records: Banks 1901, Vogel 1970, Dondale & Redner 1990
Reference: Banks 1901, Vogel 1970, Dondale & Redner 1990

Hogna retenta   (Gertsch & Wallace)

Size:
General Distribution:
Distribution in Area Covered: AZ: Cochise; TX: Brewster, Val Verde
Habitat:
Adults Present:
Notes:
Records: Vogel 1970, Roth 1996
Reference: Gertsch & Wallace, 1935, Vogel 1970, Roth 1996

Hogna nr. antelucana   (Montgomery)

Size
General Distribution:
Distribution in Area Covered: AZ: Cochise
Habitat:
Adults Present:
Notes:
Records: Roth 1996
Reference: Roth 1996

Pardosa anomala   Gertsch

Size: Male 6.93±0.35 mm, female 7.36±0.80 mm
General Distribution: Montana, Wyoming, Utah, Colorado; Canada
Distribution in Area Covered: NM: Mora
Habitat: High elevation forests
Adults Present: August
Notes:
Records: Gertsch 1933b
Reference: Gertsch 1933b, Dondale & Redner 1990, Vogel 2004

Pardosa bellona   Banks

Size: Male 4.50±0.34 mm, female 4.85±0.35 mm
General Distribution: California, Nevada; Mexico
Distribution in Area Covered: AZ: Yuma
Habitat:
Adults Present: Males December-February, and June-September; females January, March, June-September, November
Notes:
Records: Roth unpublished list
Reference: Dondale & Redner 1984, Vogel 2004

Pardosa bucklei   Kronestedt

Size: Male 6.86±0.70 mm, female 7.86±1.03 mm
General Distribution: Oregon, California, Idaho, Montana, Wyoming, Utah, Colorado, Arizona, New Mexico, Nebraska; Canada
Distribution in Area Covered: AZ: ; NM:
Habitat: Moist grassland
Adults Present: June-July
Notes:
Records: Roth unpublished list, Dondale & Redner 1990, Dondale 1999
Reference: Dondale & Redner 1990, Dondale 1999, Vogel 2004

Pardosa californica   Keyserling

Size: Male 5.08±0.37 mm, female 6.00±0.67 mm
General Distribution: Oregon and Idaho, south to Utah and Baja California
Distribution in Area Covered: AZ:
Habitat: Under stones along creeks, in pine groves
Adults Present: Year-round
Notes:
Records: Dondale & Redner 1987
References: Dondale & Redner 1987, Vogel 2004

Pardosa coloradensis  Banks

Size: Male 6.60±0.48 mm, female 6.78±0.62 mm
General Distribution: Interior British Columbia south to California, Arizona and New Mexico
Distribution in Area Covered: NM: Los Alamos, Mora, Otero, Rio Arriba, San Miguel
Habitat: Along creeks and around lakes, in meadows, on pine- and sage-covered slopes in low foothills
Adults Present: Males April-July, females April-September
Notes:
Records: Dondale & Redner 1986
Reference: Dondale & Redner 1986, Vogel 2004

Pardosa concinna   (Thorell)
Size: Male 6.12±0.43 mm, female 6.47±0.98 mm
General Distribution: Southern Yukon territory ro Newfoundland, south to New Mexico and to Maine
Distribution in Area Covered: NM: Cibola, Los Alamos, Sandoval, Taos
Habitat: Tundra, alpine meadows, sand dunes, sage- and pine-covered slopes, grasslands
Adults Present: May-August
Notes:
Records: Dondale & Redner 1986, NMSU Arthropod Museum
Reference: Dondale & Redner 1986, Vogel 2004

Pardosa distincta   (Blackwall)

Size: Male 4.5-5.7 mm, female 4.6-6.4 mm
General Distribution: Throughout the Rocky Mts. eastward across north central US and Canada, and in the New England states
Distribution in Area Covered: NM: Los Alamos, Mora, Rio Arriba, Sandoval, San Miguel, Taos
Habitat:
Adults Present: May-August
Notes:
Records: Vogel 1964, NMSU Arthropod Museum and UNM collections
Reference: Vogel 1964, 2004

Pardosa dorsalis   Banks

Size: Male carapace length 2.33±0.10mm, female carapace length 2.51±0.1 mm
General Distribution: British Columbia and Alberta south to Arizona
Distribution in Area Covered: AZ:
Habitat: Lower elevations of conifer forests
Adults Present:
Notes:
Records: Lowrie & Dondale 1981
Reference: Lowrie & Dondale 1981, Vogel 2004

Pardosa dorsuncata   Lowrie & Dondale

Size: Male carapace length 2.31±0.01 mm, female carapace length 2.47±0.2 mm
General Distribution: Southern Alaska to northern California and southern Arizona
Distribution in Area Covered: AZ:
Habitat: Lower elevations of conifer forests
Adults Present:
Notes:
Records: Lowrie & Dondale 1981
Reference: Lowrie & Dondale 1981, Vogel 2004

Pardosa dromaea  (Thorell)

Size: Male 7.80±0.43 mm, female 8.60±0.98 mm
General Distribution: Eastern foothills of the Rocky Mts. in Canada and the US east to southern Manitoba, Minnesota, Iowa and Nebraska; part of the Great Plains fauna
Distribution in Area Covered: AZ: ; NM
Habitat: Along rivers in grass-willow and cobbles
Adults Present: April-September
Notes:
Records: Dondale & Redner 1990, Dondale 1999
Reference: Dondale & Redner 1990, Dondale 1999, Vogel 2004

Pardosa falcifera    (F. O. Pickard-Cambridge)

Size: 5-8 mm
General Distribution: Costa Rica through Mexico, into the southwestern US and Kansas
Distribution in Area Covered: AZ: Apache, Cochise, Coconino, Pima, Yavapai; NM: Bernalillo, Los Alamos, Lincoln, Otero, San Miguel; TX: Jeff Davis, Reeves
Habitat:
Adults Present: March-August
Notes:
Records: Vogel 1970 a, b, Roth 1996, NMSU Arthropod Museum and UNM collections
Reference: Vogel 1970 a, b, 2004, Roth 1996

Pardosa fuscula   (Thorell)

Size: Male 7.19±0.56 mm, female 7.22±0.66 mm
General Distribution: Alaska to Newfoundland, south to New Mexico, and northern New England
Distribution in Area Covered NM: Los Alamos, Rio Arriba, Santa Fe
Habitat: Marshes, bogs, meadows, occasionally in tundra and conifer forests
Adults Present: Males May-August, females May-September
Notes:
Records: Dondale & Redner 1987
Reference: Dondale & Redner 1987, Vogel 2004

Pardosa glacialis   (Thorell)

Size: Male 6.40±0.35 mm, female 7.28±0.88 mm
General Distribution: Northern Alaska and Canada
Distribution in Area Covered: NM: Bernalillo?
Habitat: Heath, lichens, low shrubs, beaches, tundra
Adults Present: June-August
Notes:
Records:
Reference: Dondale & Redner 1990

Pardosa groenlandica   (Thorell)

Size: Male 8.69±0.60 mm, female 9.42±1.19 mm
General Distribution: Greenland; Canada south to Great Lakes and Maine; also the Rocky Mts. to Colorado and Utah
Distribution in Area Covered: NM: Los Alamos, San Miguel?
Habitat: Tundra, bare rocks above timberline
Adults Present: May-September
Notes:
Records:
Reference: Dondale 1999, Vogel 2004

Pardosa mackenziana  

Size: Male carapace length 2.41±0.12 mm, female 2.55±0.12 mm
General Distribution: Alaska to Newfoundland, south to northern California and Colorado
Distribution in Area Covered: NM: Los Alamos
Habitat: Conifer forests
Adults Present:
Notes:
Records:
Reference: Lowrie & Dondale 1981, Vogel 2004

Pardosa montgomeryi  Gertsch

Size: Male 3.5-3.9 mm, female 3.7-5.2 mm
General Distribution: Arizona and New Mexico
Distribution in Area Covered: AZ: Apache, Cochise, Coconino; NM: Los Alamos, Otero, Sandoval
Habitat: Mountain forests
Adults Present: July-August
Notes:
Records: Gertsch 1934, Vogel 1964, Roth 1996
Reference: Gertsch 1934, Vogel 1964, 2004, Roth 1996

Pardosa mulaiki  Gertsch

Size: Male 4.36±0.26 mm, female 5.79±0.72 mm
General Distribution: Alberta to Manitoba, south to Colorado
Distribution in Area Covered: NM: Sandoval
Habitat: Grassland, meadows, dry stream beds
Adults Present: Males June-July, females June-September
Notes:
Records: Gertsch 1934, Dondale & Redner 1986, UNM collection
Reference: Gertsch 1934, Dondale & Redner 1986

Pardosa orophila   Gertsch

Size: Male 4.1-4.8 mm, female 4.3-5.6 mm
General Distribution: Arizona, New Mexico, eastern side of the Rockies in Colorado
Distribution in Area Covered: AZ: Cochise, Coconino; NM: Bernalillo, Lincoln, Los Alamos, Sandoval, San Miguel
Habitat: Mountain elevations from 7000' to 8200'
Adults Present: April-August
Notes:
Records: Gertsch 1933, Vogel 1964, Roth 1996; NMSU Arthropod Museum and UNM collection
Reference: Gertsch 1933, Vogel 1964, 2004, Roth 1996

Pardosa orthodox   Chamberlin

Size:
General Distribution: Utah, Arizona and northern Mexico
Distribution in Area Covered: AZ: Maricopa, Pima
Habitat:
Adults Present: January-July
Notes:
Records: Vogel 1970a
Reference: Vogel 1970a, 2004

Pardosa ourayensis   Gertsch

Size: Female 6.30 mm
General Distribution: Colorado, Montana
Distribution in Area Covered: NM: Mora, Rio Arriba, Santa Fe
Habitat:
Adults Present:
Notes:
Records: Gertsch 1933
Reference: Gertsch 1933, Vogel 2004 (Note: Vogel does not list this species as being found in the area covered.)

Pardosa pauxilla   Montgomery

Size: Male 4.24±0.26 mm, female 5.05±0.55 mm
General Distribution: Kansas to New Jersey, south to New Mexico, southern Texas and Florida
Distribution in Area Covered: NM: TX: Hudspeth
Habitat: Grassy pastures, edges of streams and lakes, agricultural fields
Adults Present: January-November
Notes:
Records: Dondale & Redner 1984
Reference: Dondale & Redner 1984, Vogel 2004

Pardosa sierra  Banks

Size: Male 5.81-7.67 mm, female 6.26-9.33 mm
General Distribution: California to Texas, south to Mexico
Distribution in Area Covered: AZ: Cochise, Pima; NM: Bernalillo, Los Alamos, Mora, Sandoval, San Miguel
Habitat:
Adults Present:
Notes: Collected at 2800-4200 ft. in Santa Catalina Mountains by Beatty (1961)
Records: Banks 1898, Barnes 1959, Beatty 1961, Roth 1996
Reference: Banks 1898, Barnes 1959, Beatty 1961, Roth 1996, Vogel 2004

Pardosa sternalis  (Thorell)

Size: Male 5.50±0.46 mm, female 6.28±0.74 mm
General Distribution: Southern Alberta east to Nebraska and Kansas, south to California and northern Mexico
Distribution in Area Covered: AZ: Apache, Cochise, Coconino, Pima, Pinal, Yavapai; NM: Bernalillo, Doña Ana, Grant, Lincoln, Otero, Rio Arriba, Sandoval, San Miguel, Santa Fe, Socorro, Taos; TX: Brewster, Culberson, Reeves
Habitat: Margins of lakes, rivers, and creeks.
Adults Present: Males March-September, females April-September
Notes:
Records: Vogel 1970a, Gertsch & Riechert 1976, Muma 1980, Lowrie 1985, Roth 1996, NMSU collection
Reference: Vogel 1970a, Gertsch & Riechert 1976, Muma 1980, Lowrie 1985, Dondale & Redner 1990, Roth 1996, Vogel 2004

Pardosa steva   Lowrie & Gertsch

Size: Male 5.81-8.41 mm, female 6.74-8.78 mm
General Distribution: Canada to Mexico, Oregon and California east to Wyoming and Colorado
Distribution in Area Covered: AZ: Cochise; NM: Bernalillo, Mora, Sandoval, San Miguel
Habitat:
Adults Present:
Notes: Replaces P. lapidicina in the western US
Records: Barnes 1959, Roth 1996, NMSU Arthropod Museum and UNM collections
Reference: Barnes 1959, Roth 1996, Vogel 2004

Pardosa tesquorum   (Odenwall)

Size: Male 4.83±0.44 mm, female 5.69±0.63 mm
General Distribution: Alaska to Quebec, south to Utah and northern New Mexico
Distribution in Area Covered: NM:
Habitat: Herbs and shrubs at forest margins, grassland, beaches, dry creek beds, talus slopes, tundra
Adults Present: Males May-July, females May-September
Notes:
Records: Dondale & Redner 1986
Reference: Dondale & Redner 1986, Vogel 2004

Pardosa tristis   (Thorell)

Size: Male 8.67±0.79 mm, female 9.41±0.87 mm
General Distribution: Interior British Columbia to the northern interior of California, east to western Montana, the Rocky Mt. Front Range of Colorado and northern New Mexico
Distribution in Area Covered: AZ:; NM:
Habitat: Vegetated canyons and gullies, sand dunes, beaches
Adults Present: March-September
Notes:
Records: Dondale 1999
Reference: Dondale 1999, Vogel 2004

Pardosa uncata   (Thorell)

Size: Male carapace length 2.34±0.12 mm, female carapace length 2.44±0.15 mm
General Distribution: Idaho, Utah, Colorado, New Mexico
Distribution in Area Covered: AZ: Cochise; NM: Bernalillo, Mora, Sandoval, San Miguel
Habitat: Moist conifer forest
Adults Present:
Notes:
Records: Lowrie & Dondale 1981, Roth 1996
Reference: Lowrie & Dondale 1981, Roth 1996, Vogel 2004

Pardosa utahensis   Chamberlin
v Size: Male 4.4-5.1 mm, female 4.8-5.9 mm
General Distribution: Utah, Colorado, Wyoming
Distribution in Area Covered: AZ: Pima; NM: Otero, Los Alamos
Habitat:
Adults Present:
Notes: Collected at 6800-7850 ft. in Santa Catalina Mountains by Beatty (1961)
Records: Chamberlin 1919, Beatty 1961, Vogel 1964 (no NM records!), NMSU collection
Reference: Chamberlin 1919, Beatty 1961,Vogel 1964, 2004

Pardosa vadosa   Barnes

Size: Male 6.11-7.48 mm, female 2.93(sic)-9.33 mm
General Distribution: Southern California east to mid-texas, south to central Mexico
Distribution in Area Covered:AZ: Cochise, Pima: TX: Hudspeth, Jeff Davis
Habitat:
Adults Present:
Notes: Collected at 2800ft. in Santa Catalina Mountains by Beatty (1961)
Records: Barnes 1959, Beatty 1961, Roth 1996, Texas A & M collection
Reference: Barnes, 1959, Beatty 1961, Roth 1996, Vogel 2004

Pardosa valens   Barnes

Size: Male 6.81-8.04 mm, female 7.11-9.33 mm
General Distribution: Arizona and New Mexico, south to Jalisco, Mexico
Distribution in Area Covered: AZ: Cochise, Pima; NM: Rio Grande?
Habitat:
Adults Present:
Notes: Collected at 5600-7500 ft. in Santa Catalina Mountains by Beatty (1961)
Records: Barnes 1959, Beatty 1961, Roth 1996, NMSU collection
Reference: Barnes 1959, Beatty 1961, Roth 1996, Vogel 2004

Pardosa wyuta  Gertsch

Size: Male 6.27±0.60 mm, female 7.13±0.79 mm
General Distribution: British Columbia, south to California and Colorado
Distribution in Area Covered: NM: San Miguel
Habitat: Among herbs and stones along creeks and lake shores
Adults Present: Males April-May, females April-July
Notes:
Records: Gertsch 1933
Reference: Gertsch 1933, Dondale & Redner 1990, Vogel 2004

Pardosa xerampelina   (Keyserling)

Size: Male 6.26±0.49 mm, female 6.76±0.78 mm
General Distribution: Alaska to Newfoundland, south to Oregon, New Mexico and West Virginia
Distribution in Area Covered: NM: Sandoval, San Miguel, Taos
Habitat: Herbs along streams, dry river beds, lake shores, cultivated fields, roadsides, open forests
Adults Present: April-September
Notes:
Records: Dondale & Redner 1986
Reference: Dondale & Redner 1986

Pardosa xerophila   Vogel

Size: Male 4.1 mm, female 4.8-5.8 mm
General Distribution:Arizona, New Mexico, south to Chihuahua and Durango, Mexico
Distribution in Area Covered: AZ: Apache; NM: Otero, Sandoval, Union; TX: Culberson
Habitat:
Adults Present: July-August
Notes:
Records: Vogel 1964, NMSU Arthropod Museum and UNM collections
Reference: Vogel 1964, 2004

Pardosa yavapa   Chamberlin

Size: Male 3.4-4.7 mm, female 4.8-5.3 mm
General Distribution:
Distribution in Area Covered: AZ: Cochise, Coconino, Pima; NM: Bernalillo, Cibola, Lincoln, Los Alamos, Otero, Sandoval, San Miguel, Santa Fe, Taos
Habitat:
Adults Present: May-August
Notes: Collected at 9100 ft. in Santa Catalina Mountains by Beatty (1961)
Records: Chamberlin 1925, Beatty 1961, Vogel 1964, Roth 1996, NMSU and UNM collections
Reference: Chamberlin 1925, Beatty 1961, Vogel 1964, 2004, Roth 1996

Pardosa zionis   Chamberlin & Ivie

Size: Male and female 6.20 mm
General Distribution: Arizona, Texas and Utah
Distribution in Area Covered: AZ: Cochise, Maricopa, Pima, Santa Cruz
Habitat:
Adults Present: June
Notes:
Records: Chamberlin & Ivie 1942, Vogel 1970a
Reference: Chamberlin & Ivie 1942, Vogel 1970a, 2004

Pardosa n. sp. 1 nr. pineata

Size:
General Distribution: Arizona
Distribution in Area Covered: AZ: Yuma
Habitat:
Adults Present:
Notes:
Records: Roth unpublished list
Reference: Roth unpublished list

Pardosa n. sp. 2

Size:
General Distribution: Arizona
Distribution in Area Covered: AZ: Yuma
Habitat:
Adults Present:
Notes:
Records: Roth unpublished list
Reference: Roth unpublished list

Pirata insularis   Emerton

Size: Male carapace length 1.7-2.7 mm, female carapace length 1.9-2.8 mm
General Distribution: Southern Canada and the US east of the Rocky Mts.
Distribution in Area Covered: AZ: Apache
Habitat: Edges of marshes, ponds, streams
Adults Present: Males every month except November and January, females every month except November, January, and February
Notes:
Records: Wallace & Exline 1977
Reference: Wallace & Exline 1977, Roth 1996

Pirata sedentarius   Montgomery

Size: Male and female carapace lengths 1.7-3.2 mm
General Distribution: Southern Canada, US, Mexico, Cuba, Haiti
Distribution in Area Covered:AZ: Cochise; TX; Culberson
Habitat: Usually near water
Adults Present: Probably year-round, with perhaps two broods per year in southern locations
Notes:
Records: Wallace & Exline 1977, Roth 1996, NMSU Arthropod Museum
Reference: Wallace & Exline 1977, Roth 1996

Rabidosa santrita   (Chamberlin & Ivie)

Size: Male 14 mm, female 19 mm
General Distribution: Eastern and north central Arizona
Distribution in Area Covered: AZ: Cochise, Coconino, Navajo, Pima, Santa Cruz
Habitat: Desert riparian areas
Adults Present: April-December
Notes: Probably also in Hidalgo Co., NM
Records: Beatty 1961, Brady & McKinley 1994, Roth 1996
Reference: Beatty 1961, Brady & McKinley 1994, Roth 1996

Schizocosa avida   (Walckenaer)

Size: Male 6.30-9.80 mm, female 6.60-14.70 mm
General Distribution: South Dakots, southern Ontario, and Nova Scotia, southward to northern Mexico and Florida
Distribution in Area Covered: AZ: Pima: TX: Brewster
Habitat: Fields and meadows
Adults Present: Spring
Notes: Collected at 6700' in Santa Catalina Mountains by Beatty (1961)
Records: Beatty 1961, Dondale & Redner 1978a
Reference: Beatty 1961, Dondale & Redner 1978a

Schizocosa chiricahua   Dondale & Redner

Size: Male 7.5-9.0 mm, female 8.1-12.5 mm
General Distribution: Eastern Arizona to central New Mexico
Distribution in Area Covered: AZ: Cochise; NM: Bernalillo, Lincoln
Habitat: Not reported, probably riparian
Adults Present: July
Notes:
Records: Dondale & Redner 1978a, Roth 1996
Reference: Dondale & Redner 1978a, Roth 1996

Schzocosa mccooki   (Montgomory)

Size: Male 9.10-15.50 mm, female 9.60-22.70 mm
General Distribution: British Columbia to Ontario, southward to Mexico
Distribution in Area Covered: AZ: Cochise; NM: Sandoval, Union
Habitat: Desert shrubland, piñon-juniper woodland, among grass and sedges on sandy lake shores
Adults Present: Spring-summer
Notes: Generally replaces S. avida in the western US
Records: Dondale & Redner 1978a, Roth 1996, UNM collection
Reference: Dondale & Redner 1978a, Roth 1996

Schizocosa mimula   (Gertsch)

Size: Male 7.1-9.0 mm, female 9.1-10.3 mm
General Distribution: Utah and Colorado south to northern Mexico
Distribution in Area Covered: AZ: Cochise; NM: Lincoln, San Miguel, Union
Habitat: Grassland
Adults Present:
Notes:
Records: Dondale & Redner 1978a, Roth 1996, NMSU collection
Reference: Dondale & Redner 1978a, Roth 1996

Schzocosa minnesotensis   (Gertsch)

Size: Male 6.6-9.8 mm, female 8.5-15.3 mm
General Distribution: British Columbia and Saskatchewan south to Minnesota and New Mexico
Distribution in Area Covered: NM: Santa Fe, Taos?, Union
Habitat: Pinyon-juniper, sagebrush and range grassland
Adults Present:
Notes:
Records: Dondale & Redner 1978a, UNM collection
Reference: Dondale & Redner 1978a

Schizocosa puebla   Chamberlin

Size: Male 8.0 mm
General Distribution: New Mexico
Distribution in Area Covered: NM: Bernalillo
Habitat:
Adults Present:
Notes: Female not known
Records: Chamberlin 1925b
Reference: Chamberlin 1925b

Schizocosa retrorsa   (Banks)

Size: Male 5.74-7.40 mm, female 7.75-12.80 mm
General Distribution: Kansas, Illinois, and New York, southward to Mexico and northern Florida
Distribution in Area Covered: TX: El Paso
Habitat:
Adults Present:
Notes:
Records: Dondale & Redner 1978a
Reference: Dondale & Redner 1978a

Schizocosa saltatrix  (Hentz)

Size: Male 6.5-8.2 mm, female 7.0-11.8 mm
General Distribution: New England and southern Canada west to Colorado and New Mexico
Distribution in Area Covered: NM: Sandoval, Rio Arriba?; TX: Jeff Davis, Val Verde
Habitat: Hardwood forests
Adults Present: Spring-Summer
Notes:
Records: Dondale & Redner 1978a, UNM collection
Reference: Dondale & Redner 1978a

Schizocosa cf. retrorsa  (Banks)

Size:
General Distribution:
Distribution in Area Covered: NM: San Miguel
Habitat:
Adults Present: Summer
Notes:
Records: Dondale & Redner 1978a
Reference:  Dondale & Redner 1978a

Sosippus californicus   (Simon)

Size: Male 13.92±1.09 mm, female 16.16±2.46 mm
General Distribution: Baja California, southern California, Arizona south to Nayarit
Distribution in Area Covered: AZ: Maricopa, Pima, Yuma
Habitat:
Adults Present:
Notes:Collected at 2700-2800 ft. in Santa Catalina Mountains by Beatty (1961)
Records: Beatty 1961, Brady 1962, Roth unpublished list
Reference: Beatty 1961, Brady 1962, Roth unpublished list

Trochosa sepulchralis   (Montgomery)

Size: Male 8.2±0.3 mm, female 11.0±2.0 mm
General Distribution: Central southern US, west to Texas, north to New York
Distribution in Area Covered: TX: Jeff Davis
Habitat: Forest edges
Adults Present: Year-round
Notes:
Records: Dreyer & Brady 2008, Texas A & M collection
Reference: Dreyer & Brady 2008

Trochosa terricola   Thorell [= Trochosa pratensis (Emerton)]

Size: Male 6.7-9.4 mm, female 8.2-11.8 mm
General Distribution: Temperate areas of the Holarctic
Distribution in Area Covered: NM: Cibola, Otero, San Miguel, Sandoval, Taos, Union
Habitat: Old fields, forest edges, under logs and leaf litter
Adults Present: Spring and fall
Notes: Males and females may live 2 years or longer
Records: Brady 1979, NMSU and UNM collections
Reference: Brady 1979

Varacosa gosiuta   (Chamberlin) [= Trochosa gosiuta ]

Size: Male 7.4-9.4 mm, female 10.0-13.0 mm
General Distribution: Relatively dry desert regions of the western US
Distribution in Area Covered: AZ: Cochise, Coconino, Maricopa, Mohave, Navajo, Pima, Pinal, Santa Cruz, Yuma; NM: Bernalillo, Cibola, Doña Ana, Eddy, Grant, Lincoln, Rio Arriba, Sandoval, Torrance, Union, Valencia; TX: Brewster
Habitat:
Adults Present: March-October
Notes: Collected at 2700-6000 ft. in Santa Catalina Mountains by Beatty (1961)
Records: Beatty 1961, Brady 1979, Muma 1980, Lowrie 1985, Roth 1996, NMSU Arthropod Museum and UNM collections
Reference: Beatty 1961, Brady 1979, Muma 1980, Lowrie 1985, Roth 1996

Varacosa parthenus   (Chamberlin) [= Trochosa parthenus ]

Size: Male 5.8-7.6 mm, female 7.6-9.4 mm
General Distribution: Southeastern US; one record from TX
Distribution in Area Covered: TX: Brewster
Habitat: Old fields, oak forest
Adults Present: October-February
Notes:
Records: Brady 1979
Reference: Brady 1979

Trechalea gertschi  Carico & Minch

Size: Male carapace length 7.0 mm, female carapace length 7.9 mm
General Distribution: Yavapai County, AZ, S to Chihuahua and Sonora
Distribution in Area Covered: AZ: Gila, Maricopa, Pima, Pinal, Santa Cruz, Yavapai
Habitat: Margins of permanent streams within xeric regions
Adults Present: January, April, June-July, September, November; eggs in June-July
Notes:
Records: Carico & Minch 1981, Carico 1993
Reference: Carico & Minch 1981, Carico 1993

Hamataliwa grisea  Keyserling

Size: Male carapace length 2.0-2.8 mm, female carapace length 2.3-3.2 mm
General Distribution: Southern United States from Florida and Georgia to California and south into central Mexico
Distribution in Area Covered: AZ: Cochise, Maricopa, Pima, Santa Cruz; NM: Doña Ana, Hidalgo; TX: Brewster, Jeff Davis, Presidio
Habitat: Woody shrubs in scrub areas
Adults Present:
Notes: Collected at 2700 ft. in Santa Catalina Mountains by Beatty (1961)
Records: Beatty 1961, Brady 1964, Vogel 1970a, Roth 1996, NMSU collection
Reference: Beatty 1961, Brady 1964, Vogel 1970a, Roth 1996

Oxyopes acleistus   Chamberlin

Size: Female 4.4-6.5 mm
General Distribution: Florida to West Texas
Distribution in Area Covered: West TX
Habitat:
Adults Present: Male April, June, August; female April, June-July
Notes:
Records: Brady 1964
Reference: Brady 1964, 1975

Oxyopes apollo   Brady

Size: Male 3.4-4.4 mm, female 4.2-6.7 mm
General Distribution: Tennessee, Missouri, Arkansas south through Oklahoma and Texas, west to Arizona and south through Nuevo Leon and Chihuahua to Hidalgo, Mexico
Distribution in Area Covered: AZ: Cochise, Pima; NM: Doña Ana, Eddy, Lincoln, Union; TX: Brewster, Presidio, Terrell, Val Verde
Habitat: Usually collected in pitfall traps, probably a ground-dweller
Adults Present: Male July, female July-September
Notes:
Records: Brady 1964, Vogel 1970, Roth 1996, Texas A & M and UNM collections
Reference: Brady 1964, Vogel 1970, Roth 1996, Richman et al., 2011

Oxyopes artemis   Brady

Size: Female 5.2-5.6 mm
General Distribution: Arizona
Distribution in Area Covered: AZ: Pinal
Habitat: 1440 ft. elevation
Adults Present: Female July
Notes: Male unknown
Records: Brady 1969
Reference: Brady 1969

Oxyopes felinus  Brady

Size: Male 4.6 mm, female 4.3-5.7 mm
General Distribution: Southern Arizona
Distribution in Area Covered: AZ: Pima; TX: Brewster, Presidio
Habitat: Dry vegetation on rocky slope
Adults Present: May-July
Notes:
Records: Brady 1969, Texas A & M collection
Reference: Brady 1964, 1975

Oxyopes lynx    Brady

Size: Male 5.0 mm
General Distribution: West Texas, Southwest New Mexico
Distribution in Area Covered: AZ: Cochise; NM: Hidalgo, Lincoln; TX: Brewster, Val Verde
Habitat: Ground surface
Adults Present: Male June
Notes: Female unknown
Records: Brady 1964, Vogel 1970, Roth 1996, Texas A & M collection
Reference: Brady 1964, Vogel 1970, Roth 1996

Oxyopes occidens   Brady

Size: Male 5.1-5.6 mm, female 5.5-8.4 mm
General Distribution: Arizona
Distribution in Area Covered: AZ: Maricopa, Pima, Yuma
Habitat: Dry vegetation around water
Adults Present: Male June-July, female June-October
Notes: Collected at 2450-2700 ft. in Santa Catalina Mountains by Beatty (1961)
Records: Beatty 1961, Brady 1964
Reference: Beatty 1961, Brady 1964

Oxyopes panther   Brady

Size: Female 5.9-7.2 mm
General Distribution: Arizona; Chihuahua and Durango, Mexico
Distribution in Area Covered: TX: Brewster, Presidio
Habitat: At elevations above 6,000'
Adults Present: July-August
Notes:
Records: Brady 1964, Texas A & M collection
Reference: Brady 1964, 1975

Oxyopes pardus   Brady

Size: Male 4.7-5.0 mm
General Distribution: Southeastern Arizona
Distribution in Area Covered: AZ: Cochise
Habitat: Rock surfaces and open ground
Adults Present: Male July
Notes: Female unknown
Records: Brady 1964, Roth 1996
Reference: Brady 1964, Roth 1996

Oxyopes salticus   Hentz

Size: Male 3.9-5.9 mm, female 4.6-7.4 mm
General Distribution: Eastern United States, west to Nebraska and West Texas, southern New Mexico and Arizona, west and north through California and Oregon
Distribution in Area Covered: AZ: Cochise, Maricopa, Pima, Yuma; NM: Doña Ana, Hidalgo, Lincoln; TX: Hudspeth, Pecos, Reeves, Val Verde
Habitat: Tall grass and herbaceous vegetation
Adults Present: Male and female summer months
Notes:
Records: Brady 1964, Roth 1996, NMSU and Texas A & M collections
Reference: Brady 1964, Roth 1996

Oxyopes scalaris   Hentz

Size: Male 4.7-6.1 mm, female 5.8-9.6 mm
General Distribution: Entire United States, plus southern Canada and northern Mexico
Distribution in Area Covered: AZ: Apache, Cochise, Coconino, Gila, Graham, Pima, Santa Cruz, Yavapai; NM: Bernalillo, Doña Ana, Sandoval, San Miguel
Habitat: Pine-Juniper, montane forest, chaparral, juniper woodland, oak woodland, etc.  Collected on desert willow in New Mexico
Adults Present: Male and female summer months?
Notes: Collected at 6000' in Santa Catalina Mountains  by Beatty (1961)
Records: Beatty, 1961, Brady 1964, NMSU Arthropod Museum
Reference: Beatty 1961, Brady 1964

Oxyopes tridens   Brady

Size: Male 4.9-6.4 mm, female 5.5-7.6 mm
General Distribution: West Texas to southern Nevada and California, south to Sonora and Coahuila, Mexico
Distribution in Area Covered: AZ: Cochise, Maricopa, Pima, Yuma; NM: Doña Ana; TX: Brewster, Presidio
Habitat:  Rocks and rough outcrops and ground; never found on vegetation
Adults Present: Male May-August; female May-September
Notes: Collected at 2450-4600 ft. in Santa Catalina Mountains by Beatty (1961)
Records: Beatty 1961, Brady 1964, Vogel 1970, Roth 1996, NMSU Arthropod Museum
Reference: Beatty 1961, Brady 1964, Vogel 1970, Roth 1996

Peucetia longipalpis   F. O. Pickard-Cambridge

Size: Male 8.1-14.5 mm, female 12.5-19.6 mm
General Distribution: Southwest United States, south to Belize
Distribution in Area Covered: AZ: Gila, Pima; NM: Doña Ana
Habitat: On cactus pads, desert grassland
Adults Present: Male May-October; female June-October
Notes:
Records: Brady 1964, NMSU collection
Reference: Brady 1964

Peucetia viridans   (Hentz)

Size: Male 8.3-14.5 mm, female 11.8-21.6 mm
General Distribution: Southern United States, Mexico, Central America and the West Indies
Distribution in Area Covered: AZ: Cochise, Pima, Santa Cruz, Yuma; NM: Hidalgo; TX: Presidio, Reeves
Habitat:
Adults Present: Summer-fall
Notes: Collected at 2700-4200 ft. in Santa Catalina Mountains by Beatty (1961)
Records: Beatty 1961, Brady 1964, Roth 1996
Reference: Beatty 1961, Brady 1964, Roth 1996

Dolomedes gertschi   Carico

Size:
General Distribution: Gila River drainage in Arizona and New Mexico
Distribution in Area Covered: AZ: Coconino, Navajo; NM: Catron
Habitat: Edges of streams with numerous boulders
Adults Present: June-August
Notes:
Records: Carico 1973
Reference: Carico 1973

Dolomedes triton   (Walckenaer)

Size:
General Distribution: Eastern United States, NW to northern British Columbia and south to southern Baja California and Chiapas, Mexico
Distribution in Area Covered: NM: Eddy
Habitat: Stream and lakesides
Adults Present: Probably all year
Notes:
Records: Carico 1973
Reference: Carico 1973

Tinus peregrinus     (Bishop)

Size: ca. 10 mm
General Distribution: Western Arkansas west to southern Nevada and southern California, south to Sonora and Nuevo Leon
Distribution in Area Covered: AZ: La Paz, Pima, Yuma; TX: Brewster
Habitat: Near bodies of water, including flooded mines
Adults Present: July-August (eggs)
Notes: Collected at 4300' in Santa Catalina Mountains by Beatty (1961)
Records: Beatty 1961, Carico 1976
Reference: Beatty 1961, Carico 1976