﻿642 
  REPORT 
  OF 
  NEW 
  JERSEY 
  STATE 
  MUSEUM. 
  

  

  PACHYNEURON 
  Wlk. 
  

   P. 
  altiscuta 
  How. 
  New 
  Jersey 
  district. 
  

   P. 
  micans 
  How. 
  A 
  parasite 
  on 
  the 
  wheat 
  louse. 
  

   P. 
  aphidivorum 
  Ashm. 
  Parasitic 
  on 
  the 
  cabbage 
  plant 
  louse. 
  

   P. 
  nigrocyaneum 
  Nort. 
  Bred 
  from 
  "Lophyrus 
  abietis." 
  

  

  ISOCRATUS 
  Fbrst. 
  

  

  I. 
  vulgaris 
  Wlk. 
  New 
  Brunswick 
  Yll, 
  20 
  (Sm); 
  reared 
  from 
  

   rosse," 
  "Agromyza 
  lutea" 
  and 
  "Curculio 
  pomorum." 
  

  

  'Aphis 
  

  

  HOMOPORUS 
  Thorns. 
  

   H. 
  chalcidephagus 
  Walsh. 
  Parasitic 
  on 
  "Isosoma 
  hordei." 
  

   H. 
  subapterus 
  Riley. 
  (Micromelus) 
  A 
  parasite 
  of 
  the 
  Hessian 
  fly, 
  

  

  MERISUS 
  Wlk. 
  

   M. 
  destructor 
  Say. 
  (Micromelus) 
  Also 
  lives 
  in 
  the 
  Hessian 
  fly. 
  

   M. 
  fulvipes 
  Forbes. 
  Also 
  on 
  the 
  Hessian 
  fly. 
  

   M. 
  isosomatis 
  Riley. 
  Reared 
  from 
  "Isosoma 
  tritici." 
  

  

  ARTHROLYTUS 
  Thorn. 
  

   A. 
  apatelae 
  Ashm. 
  Bred 
  from 
  "Acronycta 
  populi." 
  

   A. 
  pimpiae 
  Ashm. 
  Parasitic 
  on 
  "Pimpla 
  inquisitoriella. 
  

  

  DIBRACHYS 
  Forst. 
  

  

  Pig. 
  260. 
  — 
  Dibnicliys 
  boiichconiis 
  : 
  female 
  adult 
  and 
  antenna 
  of 
  

   male: 
  both 
  enlarged. 
  

  

  D. 
  boucheanus 
  Ratz. 
  Throughout 
  the 
  State. 
  Bred 
  out 
  of 
  the 
  Americam 
  

   tent 
  caterpillar 
  and 
  in 
  thousands 
  as 
  a 
  secondary 
  parasite 
  out 
  of 
  

   Cecropia 
  cocoons 
  parasitized 
  by 
  "Pimpla" 
  and 
  "Spilochalcis." 
  Breeds, 
  

   in 
  many 
  other 
  primary 
  parasites. 
  

  

  