﻿British 
  Braconiche. 
  39 
  

  

  Unknown 
  to 
  Wesmael 
  ; 
  Nees 
  v. 
  Esenbeck 
  and 
  Haliday 
  

   each 
  possessed 
  a 
  ^ 
  , 
  taken 
  by 
  the 
  former 
  on 
  a 
  cherry- 
  

   tree 
  at 
  Sickershausen, 
  and 
  by 
  the 
  latter 
  among 
  willows 
  

   in 
  North 
  Ireland. 
  I 
  have 
  captm-ed 
  both 
  sexes, 
  the 
  3' 
  in 
  

   Leicestershire, 
  the 
  ? 
  at 
  Bishop's 
  Teignton, 
  in 
  Devon- 
  

   shire. 
  Dr. 
  Capron, 
  I 
  believe, 
  has 
  found 
  tbe 
  species 
  at 
  

   Shiere, 
  near 
  Guildford. 
  This 
  rare 
  insect 
  differs 
  con- 
  

   siderably 
  from 
  all 
  the 
  preceding, 
  approaching 
  Biosteres 
  

   and 
  DiacJtasma 
  in 
  size 
  and 
  general 
  appearance, 
  though 
  

   not 
  in 
  the 
  wings. 
  

  

  26. 
  Opius 
  (Etldops, 
  Hal. 
  

  

  O. 
  cethiops, 
  Hal., 
  Ent. 
  Mag., 
  iv., 
  212, 
  <? 
  . 
  

  

  Black 
  ; 
  palpi 
  short, 
  fuscous 
  ; 
  mandibles 
  rufous 
  ; 
  clj'peus 
  not 
  

   reaching 
  the 
  mandibles. 
  Antennae 
  black, 
  as 
  long 
  as 
  the 
  body, 
  21- 
  

   jointed. 
  Mesothoracic 
  sutures 
  iuchoate, 
  effaced 
  posteriorly. 
  Meso- 
  

   pleurse 
  with 
  a 
  crenate 
  fiirrow. 
  A 
  punctiform 
  impression 
  before 
  

   the 
  scutellum. 
  Metathorax 
  rugulose, 
  smooth 
  and 
  shining 
  in 
  the 
  

   middle. 
  Wings 
  hyaline 
  ; 
  stigma 
  and 
  nervures 
  fuscous 
  ; 
  stigma 
  

   narrow, 
  almost 
  linear 
  ; 
  radial 
  areolet 
  ending 
  before 
  the 
  extremity 
  

   of 
  the 
  wing; 
  2d 
  cubital 
  areolet 
  elougate, 
  hardly 
  attenuated 
  out- 
  

   wards 
  ; 
  podiscoidal 
  areolet 
  imperfectly 
  closed 
  ; 
  recurrent 
  nervure 
  

   evected 
  ; 
  pobrachial 
  transverse 
  nervure 
  of 
  the 
  hind 
  wings 
  inchoate. 
  

   Legs 
  piceous, 
  base 
  of 
  all 
  the 
  tibise, 
  and 
  apex 
  of 
  the 
  fore 
  femora, 
  

   paler. 
  First 
  abdominal 
  segment 
  sublinear, 
  punctulate 
  ; 
  the 
  fol- 
  

   lowing 
  segments 
  smooth. 
  Female 
  unknown. 
  Length, 
  i 
  line. 
  

  

  Unknown 
  to 
  me. 
  No 
  locality 
  is 
  given 
  by 
  Haliday. 
  

   Similar 
  at 
  first 
  sight 
  to 
  the 
  ^ 
  of 
  pygmaatoi' 
  (sp. 
  3), 
  but 
  

   different 
  in 
  sculpture, 
  having 
  more 
  transparent 
  wings, 
  a 
  

   smaller 
  radial 
  areolet, 
  and 
  a 
  longer 
  2d 
  cubital. 
  

  

  27. 
  Opius 
  pactus, 
  Hal. 
  

   O. 
  j^achis, 
  Hal., 
  Ent. 
  Mag., 
  iv., 
  212, 
  2 
  . 
  

  

  Black 
  ; 
  base 
  of 
  2d 
  abdominal 
  segment 
  rufo-testaceous. 
  Mandibles 
  

   rufo-testaceous. 
  Clypeus 
  not 
  reaching 
  the 
  mandibles. 
  Antennas 
  

   rather 
  longer 
  than 
  the 
  body, 
  29-jointed, 
  black, 
  the 
  scape 
  rufo- 
  

   testaceous. 
  Mesothoracic 
  sutures 
  inchoate, 
  effaced 
  posteriorly. 
  

   Mesopleurse 
  with 
  a 
  crenate 
  furrow. 
  A 
  punctiform 
  impression 
  

   before 
  the 
  scutellum. 
  Metathorax 
  dull, 
  rugose. 
  Wings 
  like 
  those 
  

   of 
  sixretus 
  (sp. 
  7), 
  but 
  broader, 
  and 
  having 
  the 
  2d 
  cubital 
  areolet 
  

   less 
  attenuated 
  outwards 
  ; 
  stigma 
  narrow, 
  linear-lanceolate 
  ; 
  1st 
  

   abscissa 
  of 
  the 
  radius 
  very 
  short, 
  but 
  distinct 
  ; 
  recurrent 
  nervure 
  

  

  