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Grasshoppers of Wyoming and the West

Entomology

Barren Land Grasshopper

Trimerotropis pistrinaria Saussure

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Trimerotropis pistrinaria is found in the eastern two-thirds of Wyoming and is probably absent from the desert southwest. It prefers dry prairie sites with barren or eroded soil. Eggs overwinter in the soil. Adults were present from mid July through August. It is a mixed feeder and is known to prefer milkvetches (Astragalus) and other forbs. It is rarely abundant and is not known to significantly affect plants on the rangeland.
Ref: Otte 1984, and Capinera and Sechrist 1982.

Distribution Atlas Links

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Scott Schell

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Phone: (307) 766-2508

Email: insectid@uwyo.edu

1000 E. University Ave. Laramie, WY 82071
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