vaporer moth

from The Collaborative International Dictionary of English v.0.48

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.] (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}.
   [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Vaporer \Va"por*er\, n.
   One who vapors; a braggart.
   [1913 Webster]

   {Vaporer moth}. (Zool.) See {Orgyia}.
      [1913 Webster]