Key to the Melanoplus Species

Previous Step (F')

G Subgenital plate black or distinctly margined with black; cerci less narrowed at tip; wings approximately length of abdomen; hind tibiae red to yellow-brown; found at high altitudes.
Cerci Top view of head, pronotum and tegmina Subgenital plate
Melanoplus borealis (Fieber)
See M. borealis fact sheet from Dr. Pfadt's Field Guide to Common Western Grasshoppers

G' Subgenital plate not black or distinctly margined; cerci more tapered at tip; wings usually extend well beyond tip of abdomen; hind tibiae usually red, sometimes yellow; widespread and common, often abundant in disturbed and urban areas.
Side views of abdomen tip of male Top view of subgenital plate
Melanoplus femurrubrum (DeGeer)

Grasshoppers of Colorado Contents