Grasshoppers of Wyoming and the West

Entomology

KEY TO WYOMING GRASSHOPPERS: Species of Tetrigidae

Previous Step (1a)

2a Vertex of head projecting beyond anterior margin of eyes. Anterior pronotal margin not quite reaching posterior margin of eyes... go to3

 

Dorsal view of head of Tetrix subulata	Dorsal view of head of Tetrix ornata
Genus Tetrix

2b Vertex of head not projecting beyond anterior margin of eyes; flush with it. Anterior pronotal margin reaching posterior margin of eyes... go to 4

 

Dorsal view of head of Paratettix cucullatus

Genus Paratettix

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