﻿Manchester 
  Memoirs, 
  Vol. 
  xliii. 
  ( 
  1 
  899), 
  No. 
  3. 
  6 
  1 
  

  

  with 
  fuscous 
  hair 
  ; 
  the 
  clypeus 
  rufous 
  ; 
  mandibles 
  yellow, 
  

   rufous 
  before 
  the 
  teeth, 
  which 
  are 
  black 
  ; 
  the 
  palpi 
  long, 
  

   pilose, 
  fulvous-yellow. 
  Front 
  and 
  vertex 
  shining 
  ; 
  im- 
  

   punctate 
  ; 
  the 
  vertex 
  and 
  the 
  upper 
  part 
  of 
  the 
  front 
  

   broadly 
  in 
  the 
  middle, 
  black 
  ; 
  the 
  ocelli 
  surrounded 
  by 
  a 
  

   furrow, 
  which 
  is 
  prolonged 
  down 
  the 
  middle 
  of 
  the 
  front 
  ; 
  

   the 
  occiput 
  black 
  in 
  the 
  middle, 
  the 
  black 
  mark 
  becoming 
  

   gradually 
  narrowed 
  downwards. 
  Thorax 
  smooth 
  and 
  

   shining 
  ; 
  the 
  parapsidal 
  furrows 
  deep 
  and 
  wide 
  ; 
  the 
  apex 
  of 
  

   the 
  scutellum 
  and 
  the 
  post-scutellum 
  yellowish 
  ; 
  the 
  median 
  

   segment 
  with 
  a 
  furrow 
  down 
  its 
  middle 
  ; 
  it 
  is 
  narrow 
  at 
  

   the 
  base, 
  wider 
  and 
  deeper 
  at 
  the 
  apex. 
  Above 
  the 
  

   middle 
  of 
  the 
  mesopleurae 
  is 
  a 
  wide 
  and 
  deep, 
  slightly 
  

   oblique 
  furrow 
  which 
  extends 
  from 
  the 
  base 
  to 
  the 
  apex. 
  

   The 
  mesosternum 
  has 
  a 
  wide 
  and 
  deep 
  furrow 
  down 
  the 
  

   middle, 
  which 
  becomes 
  wider 
  and 
  deeper 
  at 
  the 
  apex. 
  

   Wings 
  smoky, 
  darker 
  at 
  the 
  apex 
  ; 
  there 
  is 
  a 
  small, 
  

   distinct, 
  black 
  cloud 
  at 
  the 
  base 
  and 
  apex 
  of 
  the 
  stigma, 
  

   the 
  apical 
  one 
  occupying 
  the 
  base 
  of 
  the 
  radial 
  cellule 
  ; 
  

   the 
  stigma 
  in 
  the 
  middle, 
  between 
  the 
  clouds, 
  luteous. 
  

   The 
  four 
  anterior 
  legs 
  uniformly 
  rufous, 
  the 
  posterior 
  

   black 
  ; 
  the 
  apex 
  of 
  their 
  trochanters 
  and 
  the 
  spurs 
  luteous 
  ; 
  

   the 
  tarsi 
  brownish 
  beneath. 
  Abdomen 
  black 
  ; 
  fully 
  three 
  

   times 
  as 
  long 
  as 
  the 
  head 
  and 
  thorax 
  united 
  ; 
  the 
  basal 
  

   segments 
  rough, 
  the 
  apical 
  smooth 
  in 
  texture 
  ; 
  the 
  basal 
  

   furrowed 
  in 
  the 
  middle 
  at 
  the 
  base 
  ; 
  the 
  sides 
  depressed, 
  

   wider 
  at 
  the 
  base 
  where 
  they 
  form 
  a 
  stout 
  keel, 
  which 
  

   becomes 
  gradually 
  wider 
  ; 
  at 
  its 
  base 
  it 
  is 
  rufous 
  ; 
  the 
  

   raised 
  basal 
  part 
  of 
  the 
  third 
  segment 
  is 
  broader 
  and 
  

   shorter, 
  dark 
  rufous 
  ; 
  the 
  lateral 
  depression 
  at 
  the 
  base 
  is 
  

   transversely 
  striated 
  ; 
  the 
  base 
  of 
  the 
  third 
  segment 
  is 
  flat, 
  

   strongly 
  irregularly 
  striated 
  ; 
  the 
  lateral 
  depression 
  on 
  the 
  

   fifth 
  segment 
  is 
  short, 
  only 
  reaching 
  to 
  the 
  middle 
  of 
  the 
  

   segment 
  ; 
  the 
  sheaths 
  of 
  the 
  ovipositor 
  thickly 
  covered 
  

  

  