Source : Webster's Revised Unabridged Dictionary (1913)

Pernyi moth \Per"ny*i moth"\ (Zo["o]l.)
   A silk-producing moth ({Attacus Pernyi}) which feeds upon the
   oak. It has been introduced into Europe and America from
   China.

Source : WordNet®

pernyi moth
     n : a Chinese moth that produces a brownish silk [syn: {Antheraea
         pernyi}]