﻿Manchester 
  Memoirs, 
  Vol. 
  xliii. 
  ( 
  1 
  899), 
  No. 
  3. 
  3 
  1 
  

  

  apice 
  albis 
  ; 
  pedibus 
  mfts, 
  coxis, 
  trochanteribus 
  tarsisque 
  

   albis 
  ; 
  basi 
  tarsorum 
  posticorum 
  nigra 
  ; 
  alts 
  hyalinis, 
  

   stigmate 
  fusco, 
  basi 
  pallido. 
  ? 
  . 
  

  

  Long. 
  8 
  mm. 
  

  

  Antennae 
  as 
  long 
  as 
  the 
  thorax 
  and 
  abdomen, 
  not 
  

   tapering 
  towards 
  the 
  apex 
  ; 
  the 
  basal 
  two 
  and 
  the 
  base 
  

   of 
  the 
  third 
  joint 
  testaceous 
  ; 
  the 
  apex 
  of 
  the 
  sixth 
  and 
  

   the 
  following 
  joints 
  clear 
  white 
  ; 
  the 
  rest 
  black 
  ; 
  the 
  second, 
  

   third, 
  and 
  fourth 
  joints 
  equal 
  in 
  length 
  and 
  distinctly 
  longer 
  

   than 
  the 
  apical. 
  Head 
  black, 
  shining, 
  impunctate 
  ; 
  the 
  

   labrum, 
  clypeus, 
  mandibles, 
  and 
  palpi 
  clear 
  white 
  ; 
  the 
  

   mandibular 
  teeth 
  black. 
  The 
  front 
  raised 
  ; 
  shallowly 
  

   depressed 
  in 
  the 
  middle 
  at 
  the 
  top 
  ; 
  the 
  lower 
  part 
  deeply, 
  

   the 
  apex 
  of 
  the 
  clypeus 
  widely, 
  depressed. 
  Thorax 
  

   shining, 
  impunctate, 
  a 
  line 
  on 
  the 
  pronotum, 
  the 
  apex 
  of 
  

   the 
  middle 
  lobe 
  of 
  the 
  mesonotum, 
  the 
  scutellum, 
  the 
  

   upper 
  part 
  of 
  the 
  mesopleurae 
  at 
  the 
  base, 
  its 
  apex 
  

   narrowly 
  and 
  a 
  large 
  oblique 
  mark 
  in 
  the 
  middle 
  towards 
  

   the 
  apex, 
  white. 
  Mesonotum 
  impunctate, 
  closely 
  covered 
  

   with 
  short, 
  black 
  hair 
  ; 
  the 
  furrow 
  on 
  the 
  middle 
  lobe 
  is 
  

   narrow, 
  complete 
  ; 
  the 
  scutellum 
  rather 
  flat 
  ; 
  the 
  de- 
  

   pression 
  at 
  its 
  base 
  large. 
  Wings 
  clear 
  hyaline, 
  the 
  

   stigma 
  pale 
  at 
  the 
  base 
  ; 
  the 
  recurrent 
  nervures 
  are 
  

   received 
  in 
  the 
  same 
  distance 
  from 
  the 
  base 
  of 
  the 
  

   cellules 
  within 
  their 
  basal 
  third 
  ; 
  the 
  median 
  nervure 
  is 
  

   received 
  in 
  the 
  middle 
  of 
  the 
  cellule 
  ; 
  the 
  accessory 
  

   nervure 
  in 
  the 
  hind 
  wings 
  interstitial. 
  Legs 
  rufo-fulvous, 
  

   the 
  hinder 
  darker 
  in 
  tint 
  ; 
  the 
  coxae 
  and 
  trochanters 
  

   white 
  ; 
  the 
  base 
  of 
  the 
  hind 
  tarsi 
  broadly 
  black 
  ; 
  the 
  apex 
  

   of 
  the 
  fourth 
  and 
  the 
  other 
  joints 
  white 
  ; 
  the 
  claws 
  

   ferruginous, 
  bifid 
  ; 
  the 
  calcaria 
  rufous. 
  Abdomen 
  black, 
  

   shining 
  ; 
  the 
  apices 
  of 
  the 
  segments, 
  narrowly, 
  the 
  apical 
  

   two 
  entirely, 
  white 
  ; 
  the 
  ventral 
  surface 
  whitish, 
  except 
  

   on 
  the 
  apical 
  two 
  segments. 
  

  

  