﻿U. 
  S. 
  NATIONAL 
  MUSEUM 
  

  

  PROCEEDINGS, 
  VOL. 
  96 
  PLATE 
  50 
  

  

  ICHNEUMON-FLIES 
  OF 
  THE 
  TRIBE 
  OPHIONINI 
  

   FOR 
  EXPLANATION 
  SEE 
  PAGE 
  480 
  

  

  