Melanoplus oregonensis is a common grasshopper in the mountains of northwest Wyoming. It probably occurs
in the Medicine Bow and Sierra Madre Ranges but has not yet been collected there.
This species occurs in areas of high-altitude sagebrush and grasses, dry forest meadows,
and alpine tundra. Its life cycle and feeding habits are not known in Wyoming, but
adults are present in August and September. It can be quite numerous but its economic
significance in Wyoming is unknown.
Ref: Capinera and Sechrist 1982.
