Key to the Melanoplus Species

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E Tegmina not meeting dorsally, separated by distinct space; tegmina approximately length of pronotum; hind tibiae blue-brown; mountains at fairly high elevations.
 
Top view of head, pronotum and tegmina Cercus
Melanoplus oregonensis Thomas



E' Tegmina meeting dorsally, not separated by space.

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F Cerci appearing swollen; subgenital plate tapering to a blunt point when viewed from rear; hind tibiae blue-brown; mountains of central Colorado.
 
Cercus Back view of subgenital plate
Melanoplus kennicotti Scudder
See M. kennicotti fact sheet from Dr. Pfadt's Field Guide to Common Western Grasshoppers


F' Cerci flat, not appearing swollen; subgenital plate truncate with small notch when viewed from rear; hind tibiae red to yellow-brown; mountains of southern Colorado.
 
{Possible} Cerci Subgenital plate
Melanoplus borealis (Fieber)
See M. borealis fact sheet from Dr. Pfadt's Field Guide to Common Western Grasshoppers


Grasshoppers of Colorado Contents