﻿Manchester 
  Memoirs, 
  Vol. 
  xliii. 
  (1899), 
  No. 
  3. 
  167 
  

  

  widened 
  from 
  the 
  base 
  to 
  the 
  apex, 
  the 
  apical 
  bounding 
  

   keel, 
  too, 
  having 
  a 
  distinct 
  curve 
  ; 
  the 
  scutellum 
  is 
  more 
  

   sharply 
  pyramidal 
  and, 
  looked 
  at 
  from 
  behind, 
  is 
  seen 
  to 
  

   be 
  distinctly 
  triangular 
  ; 
  the 
  lateral 
  marks 
  on 
  the 
  meso- 
  

   notum 
  do 
  not 
  reach 
  to 
  the 
  apex. 
  P. 
  khasiana 
  comes 
  

   near 
  to 
  it 
  also, 
  but 
  is 
  longer, 
  has 
  more 
  marks 
  on 
  the 
  

   abdomen, 
  has 
  the 
  central 
  basal 
  mark 
  on 
  the 
  median 
  

   segment, 
  as 
  long 
  as 
  broad, 
  whereas 
  in 
  P. 
  indnbia 
  it 
  is 
  

   distinctly 
  wider 
  than 
  it 
  is 
  long, 
  and 
  the 
  alar 
  nervures 
  

   from 
  the 
  stigma 
  are 
  distinctly 
  fuscous. 
  

  

  Antennae 
  longer 
  than 
  the 
  body, 
  black 
  ; 
  the 
  extreme 
  

   apex 
  rufous 
  ; 
  the 
  basal 
  three 
  joints 
  yellow 
  beneath. 
  

   Head 
  yellow 
  ; 
  the 
  occiput 
  except 
  at 
  the 
  sides, 
  the 
  ocellar 
  

   region 
  and 
  the 
  front 
  in 
  the 
  middle, 
  black 
  ; 
  the 
  black 
  on 
  

   the 
  front 
  gradually 
  narrowed 
  to 
  a 
  point 
  at 
  the 
  apex, 
  

   dilated 
  at 
  the 
  base. 
  The 
  face 
  closely 
  punctured 
  ; 
  the 
  

   sides 
  bluntly 
  keeled 
  to 
  near 
  the 
  apex, 
  which 
  is 
  only 
  

   obscurely 
  punctured 
  ; 
  the 
  clypeus 
  smooth 
  ; 
  the 
  tips 
  of 
  the 
  

   mandibles 
  black. 
  In 
  the 
  middle 
  of 
  the 
  mesonotum 
  is 
  a 
  

   cup-shaped 
  black 
  mark, 
  the 
  narrow 
  basal 
  part 
  being 
  as 
  

   long 
  as 
  the 
  dilated 
  apical, 
  which, 
  at 
  the 
  base, 
  is 
  roundly 
  

   incised 
  ; 
  the 
  lateral 
  marks 
  as 
  long 
  and 
  as 
  wide 
  as 
  the 
  

   dilated 
  part 
  of 
  the 
  central 
  ; 
  they 
  are 
  narrowed 
  gradually 
  to 
  a 
  

   point 
  at 
  the 
  apex 
  ; 
  the 
  base 
  on 
  the 
  inner 
  side 
  transverse 
  ; 
  

   on 
  the 
  outer, 
  obliquely 
  truncated. 
  Scutellum 
  pyramidal, 
  

   smooth 
  ; 
  looked 
  at 
  from 
  behind 
  it 
  is 
  somewhat 
  triangular, 
  

   with 
  the 
  sides 
  straight, 
  smooth, 
  impunctate, 
  and 
  covered 
  

   rather 
  thickly 
  with 
  long, 
  fuscous 
  hair 
  ; 
  the 
  keel 
  on 
  the 
  

   lower 
  side 
  leaf-like, 
  large. 
  The 
  keel 
  on 
  the 
  sides 
  of 
  the 
  

   postscutellum 
  narrow. 
  The 
  central 
  area 
  and 
  the 
  base 
  of 
  

   the 
  median 
  segment 
  distinctly 
  broader 
  than 
  it 
  is 
  long; 
  the 
  

   lateral 
  keels 
  straight, 
  slightly, 
  but 
  distinctly, 
  diverging 
  

   towards 
  the 
  apex; 
  the 
  apical 
  keel 
  slightly 
  and 
  gradually 
  

   curved 
  ; 
  the 
  basal 
  lateral 
  keel 
  large, 
  not 
  much 
  wider 
  on 
  the 
  

  

  