Grasshoppers of Wyoming and the West

Entomology

Key to Acrididae Subfamilies

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B Lobes of mesosternum longer than wide, their inner margins usually relatively straight; subgenital plate of male deeply notched at tip; large size - tegmina length usually over 30 mm.
 

Subfamily CYRTACANTHACRIDINAE

Bottom view of Schistocerca alutacea thorax	Subgenital plate of male Schistocerca alutacea

B' Lobes of mesosternum not longer than wide, their inner margins usually rounded; subgenital plate of male not notched or weakly notched at tip; small to large size - but tegmina length usually less than 30 mm.
 

Subfamily CATANTOPINAE (MELANOPLINAE)

Bottom view of Hesperotettix viridis thorax	Bottom view of  Dactylotum pictum thorax
Subgenital plate of male Melanoplus gladstoni	Subgenital plate of male Campylacantha olivaceae
Subgenital plate of male Melanoplus sanguinipes	Subgenital plate of male Melanoplus borealis

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