any of approximately 6,000 species of insects (order Orthoptera) that include the katydid, meadow grasshopper, cone-headed grasshopper, and shield-backed katydid. All members of this family, with the exception of the shield-backed grasshopper, are green in colour, have long wings, and inhabit trees, bushes, or shrubs. The shield-backed grasshopper subfamily, which includes the Mormon and coulee crickets, is brown or gray in colour and lives on the ground or in low vegetation. Most species are wingless or have reduced wings