﻿48 
  PROCEEDINGS 
  OF 
  THE 
  NATIONAL 
  MUSEUM 
  vol.67 
  

  

  basal 
  two-thirds, 
  more 
  hyaline 
  at 
  apex 
  ; 
  legs, 
  at 
  least 
  the 
  coxae, 
  nearly 
  

   always 
  black; 
  rarely 
  the 
  coxae 
  mostly 
  ferruginous 
  or 
  testaceous; 
  

   femora 
  sometimes 
  testaceous 
  or 
  yellowish-brown, 
  although 
  frequently 
  

   mostly 
  black; 
  abdomen 
  varying 
  from 
  entirely 
  ferruginous 
  or 
  testa- 
  

   ceous, 
  except 
  at 
  extreme 
  base, 
  to 
  entirely 
  black 
  except 
  more 
  or 
  less 
  

   of 
  second 
  and 
  third 
  tergites. 
  

  

  Distribution. 
  — 
  From 
  Montana 
  to 
  Mexico, 
  and 
  from 
  Illinois 
  to 
  

   California; 
  apparently 
  more 
  common 
  over 
  the 
  western 
  half 
  of 
  the 
  

   United 
  States. 
  

  

  Hosts. 
  — 
  ? 
  Orthoris 
  crotchii 
  LeConte; 
  larva 
  feeding 
  in 
  seed 
  cap- 
  

   sules 
  of 
  Vemonia. 
  

  

  In 
  addition 
  to 
  the 
  types, 
  the 
  following 
  material, 
  all 
  of 
  it 
  in 
  the 
  

   National 
  Museum, 
  has 
  been 
  examined; 
  the 
  allotype 
  of 
  vernoniae 
  

   Ashmead, 
  which 
  is 
  certainly 
  nuperus; 
  two 
  specimens 
  labeled 
  " 
  para- 
  

   site 
  on 
  dipteron 
  in 
  seeds 
  of 
  Vemonia, 
  Kirkwood, 
  Missouri, 
  M. 
  E. 
  

   Murtfeldt;" 
  one 
  female 
  bearing 
  Bureau 
  of 
  Entomology 
  No. 
  3557% 
  

   and 
  dated 
  May 
  18, 
  1885, 
  which 
  are 
  the 
  same 
  data 
  found 
  on 
  the 
  labels 
  

   of 
  the 
  allotype 
  of 
  vernoniae; 
  one 
  specimen 
  labeled 
  " 
  Pullman, 
  Wash- 
  

   ington, 
  C. 
  V. 
  Piper, 
  Wash. 
  Exp. 
  Sta. 
  No. 
  010;" 
  and 
  collected 
  speci- 
  

   mens 
  from 
  Helena, 
  Montana; 
  Las 
  Cruces, 
  New 
  Mexico 
  (Cockerell) 
  ; 
  

   Texas 
  (Belfrage) 
  ; 
  Alameda 
  Co., 
  California; 
  Forest 
  Grove, 
  Oregon 
  

   (L. 
  P. 
  Rockwood) 
  ; 
  "40 
  miles 
  north 
  of 
  Lusk, 
  Wyoming;" 
  Torreon 
  

   Coahuilo, 
  Mexico; 
  Algonquin, 
  Illinois. 
  There 
  is 
  one 
  specimen 
  at 
  

   the 
  Gipsy 
  Moth 
  Laboratory 
  of 
  the 
  Bureau 
  of 
  Entomology 
  from 
  

   Fresno, 
  California 
  (M. 
  E. 
  Phillips). 
  Pierce 
  records 
  the 
  species 
  as 
  

   having 
  been 
  reared 
  in 
  very 
  large 
  numbers 
  from 
  Orthoris 
  crotchii, 
  

   feeding 
  in 
  the 
  seed 
  pods 
  of 
  Mentzelia 
  nuda 
  at 
  Clarendon, 
  Texas. 
  

  

  32. 
  MICROBRACON 
  CURTUS 
  (Provancher) 
  

  

  Pliylax 
  curtus 
  Provancher, 
  Addit. 
  faun. 
  Canad. 
  Hyiueii., 
  1886, 
  p. 
  130. 
  

   Zele 
  curtus 
  Provancher, 
  Addit. 
  faun. 
  Canad. 
  Hymen., 
  1SSS, 
  p. 
  380. 
  

  

  Type. 
  — 
  Blue 
  label 
  277, 
  yellow 
  label 
  127G, 
  Museum 
  of 
  Public 
  In- 
  

   struction, 
  Quebec, 
  Canada. 
  

  

  Head 
  thin 
  antero-posteriorly, 
  the 
  face 
  scarcely 
  receding; 
  malar 
  

   space, 
  in 
  female, 
  about 
  as 
  long 
  as 
  first 
  flagellar 
  segment; 
  face 
  and 
  

   frons 
  smooth 
  and 
  polished 
  ; 
  antennae 
  of 
  type 
  25-segmented, 
  none 
  of 
  

   the 
  flagellar 
  segments 
  twice 
  as 
  long 
  as 
  thick; 
  thorax 
  stout, 
  smooth 
  

   and 
  polished; 
  propodeum 
  completely 
  polished, 
  without 
  even 
  a 
  stub 
  

   of 
  a 
  median 
  ridge 
  at 
  apex; 
  radius 
  arising 
  before 
  middle 
  of 
  stigma; 
  

   second 
  abscissa 
  of 
  radius 
  scarcely 
  twice 
  the 
  first; 
  last 
  abscissa 
  of 
  

   cubitus 
  not 
  distinctly 
  longer 
  than 
  the 
  preceding 
  abscissa; 
  abdomen 
  

   broad-oval, 
  entirely 
  smooth 
  and 
  polished, 
  with 
  no 
  suggestion 
  of 
  sculp- 
  

   ture 
  on 
  the 
  second 
  tergite, 
  in 
  which 
  respect 
  this 
  species 
  appears 
  to 
  

   differ 
  from 
  nwperus; 
  ovipositor 
  sheaths 
  slightly 
  longer 
  than 
  the 
  ab- 
  

  

  