﻿Pityophthorus 
  miiiutissinius 
  Zimm., 
  fore 
  leg 
  ; 
  a, 
  outer 
  

  

  border. 
  (Greatly 
  enlarged) 
  

   Pityogenes 
  undes. 
  sp., 
  antenna. 
  (Greatly 
  enlarged) 
  

   Pterocyclon 
  mali 
  Fitch, 
  antenna. 
  (Greatly 
  enlarged) 
  

   Pityophthorus 
  minutissimus 
  Zimm., 
  antenna. 
  (Greatly 
  

   enlarged) 
  

  

  t68 
  

  

  