﻿38 
  PROCEEDINGS 
  OP 
  THE 
  NATIONAL, 
  MUSEUM 
  vol.67 
  

  

  frons 
  closely 
  punctate 
  and 
  opaque; 
  antennae 
  usually 
  21 
  to 
  25-seg- 
  

   mented; 
  thorax 
  stout; 
  parapsidal 
  furrows 
  completely 
  strongly 
  

   hairy; 
  the 
  surface 
  of 
  the 
  middle 
  lobe 
  of 
  mesoscutum 
  with 
  scatter- 
  

   ing 
  pubescence 
  anteriorly; 
  propodeum 
  usually 
  faintly 
  minutely 
  

   reticulate 
  over 
  most 
  of 
  its 
  surface; 
  metapleura 
  with 
  long 
  pubsecence; 
  

   second 
  abscissa 
  of 
  radius 
  nearly 
  always 
  less 
  than 
  twice 
  the 
  first, 
  and 
  

   sometimes 
  only 
  half 
  the 
  third 
  ; 
  the 
  portion 
  of 
  cubitus 
  between 
  recur- 
  

   rent 
  and 
  first 
  intercubitus 
  usually 
  about 
  half 
  the 
  first 
  intercubitus 
  ; 
  

   abdomen 
  rather 
  broad, 
  smooth 
  and 
  polished; 
  the 
  second 
  tergite 
  

   usually 
  considerably 
  longer 
  than 
  the 
  third, 
  polished, 
  and 
  provided 
  

   with 
  two 
  short 
  oblique 
  f 
  oveolate 
  furrows 
  medially 
  ; 
  ovipositor 
  sheaths 
  

   not 
  or 
  scarcely 
  half 
  as 
  long 
  as 
  the 
  abdomen. 
  Black; 
  head 
  black, 
  

   with 
  pale 
  yellow 
  orbital 
  lines; 
  thorax 
  black; 
  wings 
  dusky; 
  coxae 
  

   black 
  or 
  blackish; 
  femora 
  usually 
  yellow; 
  tibiae 
  and 
  tarsi 
  mostly 
  

   blackish; 
  abdomen 
  black, 
  usually 
  bright 
  yellow 
  laterally. 
  

  

  Distribution. 
  — 
  From 
  Maine 
  to 
  Virginia, 
  and 
  west 
  to 
  Iowa. 
  

  

  Flosts. 
  — 
  Polychrosis 
  viteana 
  Clemens; 
  Eulia 
  triferana 
  Walker; 
  

   Archips 
  'paralella 
  Kobinson 
  or 
  Pandemis 
  lamprosana 
  Robinson. 
  The 
  

   parasite 
  is 
  gregarious, 
  several 
  individuals 
  developing 
  on 
  a 
  single 
  host. 
  

  

  In 
  addition 
  to 
  the 
  types 
  the 
  collection 
  of 
  the 
  United 
  States 
  

   National 
  Museum 
  contains 
  two 
  specimens 
  reared 
  from 
  Eulia 
  

   triferana, 
  at 
  Washington, 
  District 
  of 
  Columbia, 
  under 
  Chittenden 
  

   No. 
  6099 
  02 
  ; 
  a 
  series 
  reared 
  from 
  a 
  lepidopterous 
  larva 
  on 
  wild 
  

   cherry, 
  by 
  R. 
  A. 
  Cushman, 
  at 
  Vienna, 
  Virginia, 
  under 
  Quaintance 
  

   No. 
  7719; 
  a 
  specimen 
  labeled 
  "la. 
  Exp. 
  Sta., 
  Plum 
  curculio"; 
  and 
  

   one 
  specimen 
  from 
  Hanover, 
  New 
  Hampshire 
  (C. 
  M. 
  Weed). 
  At 
  

   the 
  Gipsy 
  Moth 
  Laboratory 
  there 
  is 
  a 
  series 
  reared 
  by 
  J. 
  V. 
  Schaff- 
  

   ner 
  from 
  a 
  collection 
  of 
  two 
  different 
  species 
  of 
  Tortricidae, 
  Archips 
  

   paralexia 
  and 
  Pandemis 
  lamprosana 
  taken 
  at 
  Melrose 
  Highlands, 
  

   Massachusetts; 
  one 
  or 
  the 
  other 
  of 
  these 
  was 
  the 
  host. 
  The 
  collec- 
  

   tion 
  of 
  the 
  Boston 
  Society 
  of 
  Natural 
  History 
  has 
  a 
  specimen 
  

   collected 
  at 
  Liberty, 
  Maine, 
  by 
  J. 
  A. 
  Cushman. 
  

  

  20. 
  MICROBRACON 
  PYGMAEUS 
  (Provancher) 
  

  

  Figs. 
  3, 
  15 
  

  

  Bracon 
  pygmacus 
  Provancher, 
  Natural. 
  Canad., 
  vol. 
  12, 
  18S0, 
  p. 
  144. 
  

   Bracon 
  junci 
  Ashmead, 
  Proc. 
  U. 
  S. 
  Nat. 
  Mus., 
  vol. 
  11, 
  1889 
  (1SS8), 
  p. 
  619. 
  

   Bracon 
  trifolii 
  Ashmead, 
  Proc. 
  U. 
  S. 
  Nat. 
  Mus., 
  vol. 
  11, 
  1SS9 
  (18S8), 
  p. 
  622. 
  

   Bracon 
  kansensis 
  Viereck, 
  Trans. 
  Kans. 
  Acad. 
  Sci., 
  vol. 
  19, 
  1905 
  (1903-04), 
  

  

  p. 
  2G8. 
  

   Microbracon 
  coleophorae 
  Rohwer, 
  Proc. 
  U. 
  S. 
  Nat. 
  Mus., 
  vol. 
  49, 
  1915, 
  p. 
  231. 
  

   Microbracon 
  massasoit 
  Viereck, 
  Bull. 
  22, 
  Conn. 
  Geol. 
  and 
  Nat. 
  Hist. 
  Survey, 
  

  

  1917 
  (1916), 
  pp. 
  205 
  and 
  207. 
  

  

  Type. 
  — 
  Yellow 
  label 
  555, 
  Museum 
  of 
  Public 
  Instruction, 
  Parlia- 
  

   ment 
  Building, 
  Quebec, 
  Canada. 
  The 
  types 
  of 
  junci 
  (Cat. 
  No. 
  2910) 
  

  

  