orthoptera

‖prop. n. pl. [ NL., fr. Gr. 'orqo`s straight + &unr_; feather, wing. ] (Zool.) An order of mandibulate insects including grasshoppers, locusts, cockroaches, mantids, crickets, katydids, etc. See Illust. under Insect. [ 1913 Webster ]

☞ The anterior wings are usually thickened and protect the membranous posterior wings, which are larger and fold longitudinally like a fan. They also have chewing mouth parts. The Orthoptera undergo no metamorphosis. [ 1913 Webster +PJC ]