﻿38 
  Eev. 
  T. 
  A. 
  Marshall's 
  Monograph 
  of 
  

  

  hind 
  wings. 
  Legs 
  testaceous. 
  First 
  abdominal 
  segment 
  rugulose. 
  

   Female 
  unknown. 
  Length, 
  nearly 
  1 
  line. 
  

  

  Unknown 
  to 
  me 
  ; 
  taken 
  once 
  only 
  by 
  Haliclay 
  on 
  the 
  

   banks 
  of 
  the 
  Shannon, 
  in 
  autumn. 
  

  

  25. 
  Opiiis 
  mtidnlator, 
  Nees. 
  (PI. 
  II., 
  fig. 
  5, 
  wing). 
  

  

  Bracon 
  nitidulator, 
  Nees, 
  Mon., 
  i., 
  56 
  ; 
  O. 
  nitidiilator, 
  

   Hal., 
  Ent. 
  Mag., 
  iv., 
  213, 
  3^ 
  . 
  

  

  Variable 
  ; 
  black, 
  diversified 
  with 
  rufous. 
  2 
  - 
  Head 
  rufous, 
  with 
  

   a 
  large 
  black 
  spot 
  covering 
  the 
  occiput 
  and 
  extending 
  over 
  the 
  

   vertex 
  to 
  the 
  base 
  of 
  the 
  antennae. 
  Mandibles 
  emarginate 
  at 
  the 
  

   base, 
  fuscous 
  at 
  the 
  points. 
  Clypeus 
  not 
  reaching 
  the 
  mandibles. 
  

   Palpi 
  dull 
  rufous. 
  Antennge 
  as 
  long 
  as 
  the 
  body, 
  28-jointed, 
  fili- 
  

   form, 
  black, 
  scape 
  and 
  base 
  of 
  1st 
  joint 
  of 
  flagellum 
  rufous. 
  Pro- 
  

   thorax 
  black 
  beneath, 
  rufous 
  above. 
  Mesothorax 
  smooth 
  and 
  

   shining, 
  rufous, 
  with 
  large 
  oblong 
  black 
  spots 
  on 
  the 
  3 
  lobes, 
  

   whereof 
  the 
  middle 
  one 
  is 
  abbreviated 
  posteriorly. 
  Mesothoracic 
  

   sutures 
  indicated 
  by 
  two 
  humeral 
  depressions, 
  effaced 
  posteriorly. 
  

   iScutellum 
  rufous, 
  its 
  transverse 
  basal 
  fovea 
  black, 
  crenulated. 
  A 
  

   punctiform 
  impression 
  before 
  the 
  scuteUum. 
  Mesopleurte 
  with 
  a 
  

   crenate 
  furrow. 
  Metathorax 
  coai'sely 
  rugose. 
  Wings 
  subhj-aline 
  ; 
  

   squamulse 
  testaceous 
  ; 
  stigma 
  and 
  nervures 
  fuscous 
  ; 
  stigma 
  elon- 
  

   gate-triangular, 
  attenuated 
  outwards, 
  emitting 
  the 
  radius 
  before 
  

   the 
  middle 
  ; 
  radial 
  areolet 
  ending 
  acutely 
  on 
  the 
  fore 
  border 
  of 
  the 
  

   wing, 
  at 
  some 
  distance 
  from 
  the 
  extremity 
  (as 
  in 
  ochrogaster, 
  

   sp. 
  17) 
  ; 
  2d 
  cubital 
  areolet 
  much 
  attenuated 
  outwards 
  ; 
  1st 
  abscissa 
  

   of 
  the 
  radius 
  as 
  long 
  as 
  the 
  2d 
  intercubital 
  nervure 
  ; 
  reciu-rent 
  

   nervure 
  evected 
  ; 
  hind 
  wings 
  broad, 
  with 
  all 
  the 
  nervures 
  distinct. 
  

   Legs 
  short, 
  stout, 
  rufo-testaceons 
  ; 
  a 
  blackish 
  spot 
  at 
  the 
  base 
  of 
  

   the 
  hind 
  coxae 
  ; 
  tarsi 
  infuscated, 
  except 
  at 
  the 
  base. 
  Abdomen 
  

   oblong, 
  depressed, 
  as 
  long 
  and 
  as 
  wide 
  as 
  the 
  head 
  and 
  thorax 
  ; 
  1st 
  

   segnaent 
  coarsely 
  rugose, 
  short, 
  broad, 
  excavated 
  at 
  the 
  base 
  ; 
  the 
  

   following 
  segments 
  smooth, 
  thinly 
  beset 
  with 
  fine 
  pale 
  hairs 
  ; 
  2d 
  

   and 
  3d 
  segments 
  dark 
  rufous 
  (in 
  my 
  specimen), 
  with 
  the 
  hinder 
  

   margins 
  indeterminately 
  black. 
  Terebra 
  concealed. 
  (? 
  . 
  Similar, 
  

   with 
  some 
  slight 
  differences 
  : 
  — 
  Antennae 
  longer, 
  34-jointed; 
  cl.ypeus 
  

   black 
  at 
  the 
  base, 
  or 
  at 
  the 
  hinder 
  angles. 
  Mesothoracic 
  sutures 
  

   indicated 
  by 
  4 
  red 
  lines, 
  of 
  which 
  the 
  2 
  inner 
  ones 
  are 
  united 
  

   posteriorly 
  to 
  each 
  other, 
  and 
  anteriorly 
  to 
  the 
  2 
  lateral 
  lines. 
  

   ScuteUum 
  black. 
  Abdomen 
  longer 
  and 
  narrower 
  than 
  that 
  of 
  the 
  

   $ 
  ; 
  segments 
  2 
  — 
  3 
  nigro-piceous. 
  The 
  colours 
  probablj- 
  vary 
  in 
  

   different 
  individuals. 
  Length, 
  1^ 
  — 
  1| 
  ; 
  wings, 
  3a 
  lines. 
  

  

  