﻿U. 
  S. 
  NATIONAL 
  MUSEUM 
  

  

  PROCEEDINGS. 
  VOL. 
  96 
  PLATE 
  54 
  

  

  57.0PHIOGASTRELLA 
  

  

  ICHNEUMON-FLIES 
  OF 
  THE 
  TRIBE 
  OPHIONl 
  

  

  FOR 
  EXPLANATION 
  SEE 
  PAGE 
  481 
  

  

  