During outbreaks of this species adults have longer wings and slimmer bodies. The adult differential grasshopper is a large yellow insect with black markings. The chevron-like markings on the hind ...

8); in instar I the outer surface of the hind femur is strikingly black except for a light area proximally (Fig. 1); hind tibia usually black, sometimes gray. 4. Body short and robust; color brown ...