Grasshoppers of Wyoming and the West

Entomology

Crackling Forest Grasshopper

Trimerotropis suffusa Scudder

Trimerotropis suffusa, the cracklingforest grasshopper, is common at moderate elevations in the mountains of Wyoming. It prefers small forest opening or areas along mountain roads. It is apparently absent from the Black Hills. Eggs overwinter in the soil. Adults are most common in August and early September. This grasshopper is a mixed feeder and is known to feed on lupine, yarrows, and fescues. Although often present in preferred habitat it is rarely numerous. Its effects on forage and weeds are unknown.
Ref: Otte 1984, and Capinera and Sechrist 1982.

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