KEY TO THE SPUR-THROATED GRASSHOPPERS (Melanoplinae)
Previous Step (3b)
Posterior margin of pronotum concave. Tegmina reduced to small narrow pads
that are widely separated by the dorsum of the metanotum. Hind tibiae bright
red... go to 5
Posterior margin of pronotum convex or pointed posteriorly. Tegmina reduced
to broad pads that overlap dorsally, covering the metanotum. Hind tibiae
greenish or brownish...