﻿Bui. 
  1 
  

  

  17, 
  Bureau 
  of 
  Entomology, 
  U. 
  S. 
  Dept. 
  of 
  Agriculture. 
  

  

  Plate 
  II. 
  

  

  

  $*&tiHj&tBn^ 
  

  

  ''X^zmmmmm 
  , 
  

  

  