Circotettix carlinianus, the snapper grasshopper, is a noisy
grasshopper with dark or black hindwings. It occurs throughout Wyoming's
grasslands and prefers dry areas of bare ground or eroded soil. It is more
often heard than seen. Eggs overwinter in the soil and hatch in late May
or June. Adults are present from mid July to September. It is thought to
be a mixed feeder on forbs and grasses, but is never abundant enough to
Ref: Otte 1984, and Capinera and Sechrist 1982.