Definition of Grylloblattodea
: a small extremely primitive suborder of Orthoptera often considered a separate order and comprising a few soft-bodied unpigmented wingless insects with long cerci and antennae and commonly no eyes or ocelli that occur near snow in mountains of western North America and Japan and constitute a single family
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Origin and Etymology of grylloblattodea
New Latin, from Grylloblatta, a genus of insects (from gryllo- —from Latin gryllus cricket— + Latin blatta cockroach) + -odea
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