﻿86 
  Eev. 
  T. 
  A. 
  Marshall's 
  Monograph 
  of 
  

  

  stigma 
  dull 
  testaceous 
  ; 
  radial 
  areolet 
  reaching 
  the 
  extremity 
  ; 
  

   stigma 
  narrow, 
  elongate, 
  emitting 
  the 
  radius 
  at 
  \ 
  of 
  its 
  length 
  ; 
  2d 
  

   cubital 
  areolet 
  elongate, 
  narrow, 
  attenuated 
  outwards 
  ; 
  recurrent 
  

   nervure 
  rejected 
  to 
  a 
  point 
  near 
  the 
  extremity 
  of 
  the 
  1st 
  cubital 
  

   areolet, 
  sometimes 
  subinterstitial 
  ; 
  podiscoidal 
  areolet 
  open 
  at 
  the 
  

   extremity. 
  First 
  abdominal 
  segment 
  black, 
  narrow, 
  rugulose 
  ; 
  the 
  

   other 
  segments 
  form, 
  in 
  both 
  sexes, 
  a 
  broad 
  oval, 
  almost 
  circular 
  ; 
  

   2d 
  segment 
  more 
  or 
  less 
  piceous, 
  sometimes 
  almost 
  black, 
  faintly 
  

   rugulose 
  on 
  each 
  side 
  at 
  the 
  base 
  ; 
  the 
  remaining 
  segments 
  black. 
  

   Terebra 
  as 
  long 
  as 
  the 
  apical 
  segment. 
  Length, 
  \ 
  ; 
  wings, 
  

   2^ 
  lines. 
  

  

  Not 
  uncommon 
  in 
  England 
  and 
  Ireland. 
  Described 
  

   by 
  Wesmael 
  from 
  6 
  Belgian 
  specimens. 
  This 
  species 
  

   forms 
  the 
  genus 
  Allotyjms 
  of 
  Forster. 
  

  

  22. 
  Ojmis 
  leptostigmus, 
  Wesm. 
  

  

  0. 
  leptostiqmus, 
  Wesm., 
  Nouv. 
  Mem. 
  Ac. 
  Brux., 
  1835, 
  

   p. 
  138 
  ; 
  Hal., 
  Ent. 
  Mag., 
  iv., 
  211, 
  ? 
  . 
  

  

  Black 
  ; 
  abdomen, 
  after 
  the 
  1st 
  segment, 
  rufo-testaceous. 
  Face 
  

   not 
  carinated 
  ; 
  clypeus 
  testaceous 
  at 
  the 
  extremity, 
  which 
  is 
  soiue- 
  

   wliat 
  rounded, 
  and 
  touches 
  the 
  mandibles, 
  closing 
  the 
  mouth. 
  

   Mandibles 
  testaceous, 
  deeply 
  emarginate 
  beneath. 
  Palpi 
  pale. 
  

   Antennae 
  longer 
  than 
  the 
  body, 
  black 
  with 
  the 
  1st 
  joint 
  testaceous. 
  

   Furrow 
  of 
  the 
  mesopleuras 
  elongate, 
  deeply 
  crenate. 
  Metathorax 
  

   riigulose. 
  Wings 
  hyaline 
  ; 
  radial 
  areolet 
  very 
  long, 
  reaching 
  the 
  

   extremity 
  of 
  the 
  wing 
  ; 
  1st 
  abscissa 
  elongate, 
  equallmg 
  at 
  least 
  the 
  

   width 
  of 
  the 
  2d 
  cubital 
  areolet, 
  which 
  is 
  narrower 
  than 
  in 
  other 
  

   species 
  ; 
  stigma 
  dull 
  testaceous, 
  linear, 
  much 
  elongated, 
  emitting 
  

   the 
  radius 
  somewhat 
  before 
  ^ 
  of 
  its 
  length 
  ; 
  podiscoidal 
  areolet 
  

   completely 
  closed 
  ; 
  recurrent 
  nex'vure 
  erected. 
  Legs 
  testaceous. 
  

   Abdomen 
  oblong, 
  1st 
  segment 
  forming 
  about 
  | 
  of 
  its 
  length, 
  

   widened 
  gradually 
  from 
  the 
  base 
  to 
  the 
  extremity, 
  longitudinally 
  

   rugulose. 
  Terebra 
  slightly 
  exserted. 
  Male 
  unknown. 
  Length, 
  

   \\ 
  line. 
  

  

  Unknown 
  to 
  me 
  ; 
  Wesmael 
  possessed 
  onl}^ 
  one 
  speci- 
  

   men, 
  taken 
  near 
  Brussels 
  ; 
  and 
  Haliday 
  another, 
  at 
  first 
  

   confused 
  with 
  0. 
  cingulatus 
  ; 
  hence 
  its 
  locality 
  was 
  not 
  

   recorded. 
  

  

  23. 
  Opius 
  parvulm, 
  Wesm. 
  

  

  0. 
  parvulus, 
  Wesm., 
  Nouv. 
  Mem. 
  Ac. 
  Brux., 
  1835, 
  

  

  p. 
  139 
  ; 
  Hal., 
  Ent. 
  Mag., 
  iv., 
  211, 
  c? 
  ? 
  . 
  

   Black 
  or 
  piceous 
  ; 
  2d 
  abdominal 
  segment 
  sometimes 
  rufescent 
  

  

  