Grasshoppers of Wyoming and the West

Entomology

Key to the Trimerotropis Species

Previous Step ( I')

J Tip of wings cloudy; inner face of hind femora yellow; southwestern Colorado.
 

Trimerotropis tolteca Bruner

Tegmen and wing	Tegmen

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J' Tip of wings not cloudy.

Go to K

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K Inner face of hind femora mostly red or orange; found from the eastern plains to the mountains at moderate elevations; widespread and common.

Tegmen
Trimerotropis campestris (McNeill)

[Occasional specimens of Cratypedes neglectus lacking light bands on the tegmina will key to this point. The metazona of T. campestris has a much reduced median carina, is bordered by black spots and and usually is lighter in color than the prozona. Also, the sides of the lateral lobes of the pronotum are somewhat parallel. In C. neglectus the metazona has a pronounced median carina and is entirely dark. The lateral lobes of the pronotum are expanded posteriorly.]

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K' Inner face of hind femora black with orange-red at base; large: male over 30 mm long.

Wing
Trimerotropis magnifica Rehn

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