﻿Manchester 
  Memoirs, 
  Vol. 
  xliii. 
  (1899), 
  No. 
  3. 
  165 
  

  

  base 
  slightly 
  and 
  roundly 
  incised 
  on 
  the 
  apex. 
  The 
  keels 
  

   on 
  the 
  sides 
  of 
  the 
  petiole 
  are 
  stout 
  and 
  reach 
  to 
  the 
  

   middle, 
  where 
  there 
  is 
  an 
  elongate 
  shallow 
  fovea 
  followed 
  

   by 
  a 
  shorter 
  one 
  ; 
  the 
  transverse 
  furrows 
  on 
  the 
  second 
  

   and 
  fifth 
  segments 
  are 
  distinct, 
  and 
  closely 
  longitudinally 
  

   striated 
  ; 
  the 
  third 
  segment 
  is 
  slightly, 
  the 
  fourth 
  and 
  fifth 
  

   segment 
  more 
  strongly, 
  punctured 
  ; 
  on 
  the 
  last 
  segment, 
  at 
  

   the 
  base 
  of 
  the 
  oblique 
  furrows, 
  is 
  a 
  depression 
  which 
  is 
  

   longer 
  than 
  it 
  is 
  broad. 
  

  

  PlMPLA 
  CEYLONICA, 
  Sp. 
  TIOV. 
  

  

  Long. 
  10 
  mm. 
  

  

  Hab. 
  Trincomali, 
  Ceylon 
  (Col. 
  Yerbury). 
  

  

  Scape 
  of 
  antennae 
  yellow, 
  black 
  above 
  ; 
  the 
  flagellum 
  

   rufous, 
  darker 
  above. 
  The 
  ocellar 
  region 
  black 
  ; 
  the 
  black 
  

   extending 
  behind 
  to 
  the 
  end 
  of 
  the 
  vertex 
  and 
  to 
  an 
  

   equal 
  distance 
  in 
  the 
  middle 
  beyond 
  them 
  at 
  the 
  apex. 
  

   Face 
  closely 
  punctured, 
  covered 
  with 
  short, 
  silvery 
  pube- 
  

   scence 
  ; 
  the 
  clypeus 
  bluntly 
  rounded 
  at 
  the 
  apex 
  ; 
  the 
  

   mandibular 
  teeth 
  black. 
  Thorax 
  shining, 
  impunctate 
  ; 
  

   on 
  the 
  base 
  of 
  the 
  mesonotum 
  are 
  three 
  black 
  marks, 
  the 
  

   lateral 
  large, 
  longer 
  than 
  it 
  is 
  broad 
  ; 
  its 
  sides 
  at 
  the 
  base 
  

   on 
  the 
  outer 
  side 
  obliquely 
  truncated 
  ; 
  the 
  central 
  mark 
  

   smaller, 
  its 
  base 
  slightly 
  curved 
  inwardly, 
  the 
  apex 
  

   triangular. 
  Scutellum 
  rather 
  flat 
  ; 
  sparsely 
  covered 
  with 
  

   pale 
  hair, 
  smooth 
  ; 
  the 
  sides 
  narrowly 
  keeled 
  ; 
  the 
  sides 
  

   of 
  the 
  post-scutellum 
  indistinctly 
  keeled. 
  Median 
  segment 
  

   very 
  smooth; 
  the 
  central 
  area 
  fully 
  twice 
  as 
  broad 
  as 
  long; 
  

   the 
  lateral 
  areas 
  are 
  slightly 
  longer 
  and 
  rounded 
  at 
  the 
  

   apex, 
  wider 
  on 
  the 
  outer 
  than 
  on 
  the 
  inner 
  side, 
  the 
  black 
  

   marks 
  being 
  inside 
  of 
  them. 
  Legs 
  stout 
  ; 
  the 
  hinder 
  

   femora 
  distinctly 
  rufo-fulvous 
  ; 
  the 
  base 
  of 
  the 
  hinder 
  

   tibiae 
  black. 
  Wings 
  clear 
  hyaline 
  ; 
  the 
  stigma 
  and 
  ner- 
  

   vures 
  black 
  ; 
  the 
  former 
  testaceous 
  at 
  the 
  base 
  ; 
  the 
  areolet 
  

  

  K 
  

  

  