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Webster 1913 Edition


Orgyia


Or-gy′i-a

,
p
rop.
Noun.
[NL., fr. Gr. [GREEK] the length of the outstretched arms. So named because, when at rest, it stretches forward its fore legs like arms.]
(Zool.)
.
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
.