Appalachia arcana is a species of grasshopper in the family Acrididae. It is known by the common names Michigan bog grasshopper and secretive locust.[1] It is the only grasshopper that is endemic to Michigan in the United States.[1]
This short-winged grasshopper does not sing or fly. The male is brownish gray with a stripe down its back, and both sexes have femora with red undersides. This species is often found in sphagnum bogs surrounded by jack pine trees. Breeding occurs in September.[1]