﻿44 
  Eev. 
  T. 
  A. 
  Marshall's 
  Monograph 
  of 
  

  

  terminated 
  on 
  each 
  side 
  by 
  an 
  angle, 
  above 
  wliich 
  is 
  a 
  rather 
  deep 
  

   fovea 
  indicating 
  the 
  commencement 
  of 
  the 
  mesothoracic 
  sutures. 
  

   An 
  oblong 
  fovea 
  before 
  the 
  scutellum. 
  Mesopleurae 
  with 
  a 
  crenate 
  

   furrow. 
  Metathorax 
  somewhat 
  rugose, 
  with 
  two 
  small 
  parallel 
  

   approximated 
  ridges 
  near 
  the 
  extremity. 
  Wings 
  hyaline 
  ; 
  stigma 
  

   and 
  nervures 
  fuscous 
  ; 
  stigma 
  subtriangvdar, 
  not 
  much 
  elongated, 
  

   emitting 
  the 
  radius 
  just 
  before 
  the 
  middle; 
  radial 
  areolet 
  rather 
  

   narrowed 
  outwards, 
  yet 
  reaching 
  the 
  extremity 
  of 
  the 
  wing 
  ; 
  2d 
  

   cubital 
  areolet 
  much 
  attenuated 
  outwards 
  ; 
  podiscoidal 
  areolet 
  

   completely 
  closed 
  ; 
  recurrent 
  nervure 
  evected. 
  Hind 
  wings 
  with 
  

   no 
  vestige 
  of 
  the 
  prsebrachial 
  transverse 
  nervure. 
  Legs 
  testaceous. 
  

   Abdomen 
  short, 
  oval, 
  subcircular 
  ; 
  1st 
  segment 
  without 
  rugosity, 
  

   shining, 
  almost 
  smooth, 
  much 
  widened 
  from 
  the 
  base 
  to 
  the 
  

   extremity, 
  the 
  disk 
  elevated 
  ; 
  at 
  the 
  base 
  are 
  two 
  carinte, 
  which 
  

   become 
  effaced 
  before 
  the 
  middle. 
  Terebra 
  subexserted. 
  Length, 
  

   H 
  ; 
  wings, 
  8^ 
  lines. 
  

  

  Very 
  similar 
  to 
  reconclitor 
  (sp. 
  36), 
  but 
  different 
  in 
  the 
  

   angular 
  gibbosity 
  of 
  the 
  mesothorax, 
  in 
  size, 
  and 
  in 
  the 
  

   number 
  of 
  joints 
  of 
  the 
  antennas. 
  Wesmael 
  described 
  a 
  

   pair 
  found 
  near 
  Brussels 
  ; 
  I 
  have 
  captured 
  a 
  ? 
  in 
  York- 
  

   shire 
  ; 
  the 
  London 
  district, 
  Windsor, 
  and 
  the 
  I. 
  of 
  Wight 
  

   are 
  other 
  localities 
  mentioned 
  by 
  Haliday. 
  

  

  34. 
  Ojnus 
  rudis, 
  Wesm. 
  

  

  0. 
  rudis, 
  Wesm., 
  Nouv. 
  Mem. 
  Ac. 
  Brux., 
  1835, 
  p. 
  141 
  ; 
  

   Hal., 
  Ent. 
  Mag., 
  iv., 
  214, 
  <? 
  ? 
  . 
  

  

  Black 
  ; 
  orbits 
  of 
  the 
  eyes, 
  and 
  base 
  of 
  2d 
  abdominal 
  segment, 
  

   rufous. 
  Head 
  minutely 
  rugulose, 
  not 
  shining 
  ; 
  occiput 
  smooth 
  

   above 
  ; 
  clypeus 
  not 
  touching 
  the 
  mandibles, 
  elevated, 
  rounded 
  

   anteriorly, 
  rufo-testaceous 
  like 
  the 
  mandibles 
  ; 
  palpi 
  testaceous. 
  

   Antennae 
  a 
  little 
  longer 
  than 
  the 
  body, 
  28 
  — 
  29-joiuted. 
  Mesothorax 
  

   minutely 
  rugulose, 
  dull 
  on 
  the 
  sides, 
  more 
  shining 
  on 
  the 
  disk 
  ; 
  

   sutures 
  distinct, 
  crenulate. 
  Mesopleurae 
  impressed 
  with 
  a 
  wide 
  

   fovea, 
  rugose 
  or 
  crenate 
  at 
  the 
  bottom. 
  Metathorax 
  rugose. 
  

   Wings 
  hyaline 
  ; 
  nervures 
  and 
  stigma 
  fuscous 
  ; 
  the 
  latter 
  linear- 
  

   lanceolate 
  ; 
  radial 
  areolet 
  reaching 
  the 
  extremity 
  of 
  the 
  wing 
  ; 
  2d 
  

   cubital 
  areolet 
  much 
  attenuated 
  outwards 
  ; 
  podiscoidal 
  areolet 
  not 
  

   completely 
  closed 
  ; 
  recurrent 
  nervure 
  evected 
  in 
  the 
  J 
  (? 
  inter- 
  

   stitial 
  in 
  the 
  g). 
  Hind 
  wings 
  with 
  no 
  vestige 
  of 
  the 
  praebrachial 
  

   transverse 
  nervure. 
  Legs 
  rufo-testaceous, 
  tarsi 
  dusky. 
  Abdomen 
  

   short, 
  suborbicular 
  ; 
  1st 
  segment 
  black, 
  rugose 
  ; 
  2d 
  sometimes 
  

   wholly 
  black, 
  but 
  generally 
  more 
  or 
  less 
  rufo-testaceous 
  ou 
  its 
  

  

  