A Manual of the Grasshoppers of New Mexico

Trimerotropis Agrestis (Mcneill)


New Mexico Distributions Map

Common name: Toothed Field Grasshopper.

Size: 24-43 mm.

General distribution: E. of Rocky Mountains to E. New Mexico, N. to Alberta, Saskatchewan, and Manitoba, Canada.

Distribution in New Mexico: Chaves, Lea, Quay, Union.

Habitat: Sand dunes.

Host: Apparently eats Psoralea sp.

Adults Present: June-August.

Notes: A widely variable genus of band-winged grasshoppers; median ridge almost never high, always cut by two sulci; eyes relatively large; hind wings almost always banded; tegmina banding variable. T. agrestis differs from other members of the genus in NM in having unbanded tegmina. Hind wings with yellow basal area and with central dark band with short spur; inner hind femora orange with two black patches; hind tibiae orange; hind tarsi white. Habitat also useful in determination. Not economically important.

Reference: Otte 1984.

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