﻿Manchester 
  Memoirs, 
  Vol. 
  xliii. 
  (1899), 
  No. 
  3. 
  69 
  

  

  hyaline 
  ; 
  the 
  apex 
  faintly 
  smoky 
  ; 
  the 
  nervures 
  and 
  stigma 
  

   yellow 
  ; 
  before 
  the 
  stigma, 
  and 
  extending 
  to 
  the 
  bottom 
  

   of 
  the 
  discoidal 
  and 
  of 
  the 
  cubital 
  cellule, 
  is 
  a 
  pale 
  brownish 
  

   cloud. 
  The 
  base 
  of 
  the 
  petiole 
  yellowish 
  ; 
  deeply 
  

   triangularly 
  depressed 
  ; 
  the 
  sides 
  finely 
  and 
  closely 
  

   longitudinally 
  striated 
  ; 
  the 
  sides 
  to 
  the 
  apex 
  are 
  deeply 
  

   and 
  widely 
  depressed 
  and 
  have 
  three 
  central 
  transverse 
  

   keels 
  and 
  one 
  apical; 
  the 
  middle 
  sharply 
  and 
  distinctly 
  

   keeled. 
  The 
  basal 
  three-fourths 
  of 
  the 
  sides 
  of 
  the 
  second 
  

   segment 
  deeply 
  and 
  widely, 
  the 
  apex 
  more 
  narrowly, 
  

   depressed 
  ; 
  its 
  centre 
  carinate 
  ; 
  the 
  base 
  of 
  the 
  second 
  

   segment 
  widely 
  depressed 
  ; 
  in 
  the 
  middle 
  are 
  seven 
  stout 
  

   keels 
  ; 
  the 
  narrowed 
  sides 
  have 
  a 
  few 
  indistinct 
  keels; 
  the 
  

   oblique 
  depression 
  is 
  wide, 
  smooth, 
  and 
  deep 
  ; 
  the 
  fourth 
  

   and 
  fifth 
  segments 
  are 
  indistinctly 
  keeled 
  in 
  the 
  middle 
  ; 
  

   the 
  penultimate 
  segment 
  has 
  a 
  curved, 
  black 
  line 
  at 
  the 
  

   base 
  ; 
  the 
  last 
  is 
  entirely 
  black 
  ; 
  the 
  ventral 
  surface, 
  except 
  

   at 
  the 
  base, 
  yellowish 
  ; 
  the 
  base 
  black 
  ; 
  in 
  the 
  middle 
  of 
  

   the 
  penultimate 
  segment 
  is 
  a 
  small, 
  smooth 
  space, 
  rounded 
  

   at 
  the 
  base, 
  transverse 
  at 
  the 
  apex. 
  

  

  C. 
  Abdominal 
  segments 
  2 
  or 
  j 
  distinctly 
  longitudinally 
  

   striolated. 
  

  

  1. 
  Thorax 
  flat, 
  the 
  lobes 
  of 
  the 
  mesonotum 
  not 
  raised, 
  

   scutellum 
  foveate; 
  wings 
  fuscous, 
  yellow 
  at 
  the 
  base. 
  

  

  B. 
  himalayensis. 
  

  

  2. 
  Thorax 
  not 
  flat; 
  the 
  lobes 
  of 
  the 
  mesonotum 
  distinctly 
  

   raised 
  ; 
  scutellum 
  not 
  foveate. 
  

  

  a. 
  Wings 
  fuscous, 
  the 
  base 
  yellow; 
  abdomen 
  luteous. 
  

  

  B. 
  itidiscretus. 
  

  

  b. 
  Wings 
  fuscous; 
  the 
  abdomen 
  black; 
  thorax 
  rufous. 
  

  

  B. 
  khasiamts 
  and 
  umbratilus. 
  

  

  c. 
  Wings 
  yellow, 
  marked 
  with 
  fuscous 
  at 
  the 
  stigma 
  

   and 
  apex. 
  

  

  B. 
  seditiosus, 
  dodonaeus, 
  jejunus, 
  declaratus. 
  

  

  