Orthoptera
Orthoptera , proper noun, plural
[New Latin, from Greek 'orqo`s straight + {not transcribed} feather, wing.]
(Zoology) An order of mandibulate insects including grasshoppers, locusts, cockroaches, mantids, crickets, katydids, etc. See Illust. under Insect.
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.