What is "orgyia"

Orgyia \Or*gy"i*a\, prop. n. [NL., fr. Gr. ? the length of the outstretched arms. So named because, when at rest, it stretches forward its fore legs like arms.] (Zo["o]l.). A genus of bombycid moths whose caterpillars (esp. those of Orgyia leucostigma) are often very injurious to fruit trees and shade trees. The female is wingless. Called also vaporer moth.

Orgyia is a genus of tussock moths of the Erebidae family. The species are cosmopolitan, except neotropical region.