Key to the Melanoplus Species
Previous Step (E')
F Cerci expanding
slightly greater dorsally, but dorsal expansion not grooved; hind tibiae
red; western Colorado.
Melanoplus yarrowii (Thomas)
F' Cerci boot-shaped;
"heel" sometimes reduced; "toe" grooved apically; hind tibiae red; eastern
Colorado; widespread; an early season species.
Melanoplus confusus Scudder
Grasshoppers of Colorado Contents