﻿78 
  Cameron, 
  Hymenoptera 
  Orientalia. 
  

  

  verse, 
  the 
  sides 
  oblique. 
  Mandibles 
  rufous, 
  their 
  base 
  black, 
  

   and 
  thickly 
  covered 
  with 
  depressed 
  silvery 
  pubescence 
  ; 
  

   the 
  palpi 
  are 
  dark 
  brown. 
  Thorax 
  densely 
  covered 
  with 
  

   silvery 
  pile 
  ; 
  the 
  prothorax 
  is 
  obliquely 
  depressed 
  on 
  the 
  

   apex 
  ; 
  the 
  base 
  is 
  distinctly 
  separated 
  from 
  the 
  others. 
  

   Mesothorax 
  thickly 
  covered 
  with 
  silvery 
  pile; 
  the 
  scu- 
  

   tellum 
  and 
  post-scutellum 
  are 
  more 
  shining 
  and 
  minutely 
  

   punctured 
  ; 
  there 
  is 
  a 
  shallow 
  oblique 
  furrow 
  on 
  the 
  

   mesopleurae. 
  The 
  median 
  segment 
  has 
  a 
  gradually 
  

   rounded 
  slope 
  ; 
  in 
  the 
  centre 
  is 
  a 
  narrow 
  shallow 
  furrow. 
  

   Wings 
  fusco-hyaline, 
  darker 
  along 
  the 
  costa 
  ; 
  the 
  apex 
  

   is 
  infuscated 
  from 
  the 
  end 
  of 
  the 
  radial 
  cellule 
  ; 
  the 
  

   radial 
  cellule 
  is 
  wide 
  to 
  the 
  third 
  transverse 
  cubital 
  

   nervure; 
  the 
  apical 
  abscissa 
  of 
  the 
  radius 
  has 
  two 
  oblique 
  

   curves 
  ; 
  the 
  apex 
  forms 
  an 
  acute 
  angle 
  ; 
  the 
  first 
  trans- 
  

   verse 
  cubital 
  nervure 
  forms 
  two 
  curves, 
  the 
  upper 
  being 
  

   more 
  sharply 
  oblique 
  ; 
  the 
  second 
  cubital 
  cellule 
  at 
  the 
  

   top 
  is 
  one-third 
  of 
  the 
  length 
  of 
  the 
  second 
  ; 
  the 
  two 
  

   recurrent 
  nervures 
  are 
  received 
  shortly 
  behind 
  the 
  middle. 
  

   Legs 
  densely 
  pruinose 
  ; 
  the 
  calcaria 
  dark 
  testaceous. 
  

   Abdomen 
  densely 
  pruinose, 
  the 
  segments 
  darker 
  at 
  the 
  

   base. 
  

  

  POMPILUS 
  TAPROBAN/E, 
  Sp. 
  HOV. 
  

  

  Niger, 
  dense 
  pruinosus 
  ; 
  alis 
  hyalinis, 
  apice 
  fumatis. 
  $ 
  . 
  

  

  Long, 
  fere 
  7 
  mm. 
  

  

  One 
  example, 
  Trincomali, 
  Ceylon 
  {Rot/uiey). 
  

  

  The 
  lower 
  part 
  of 
  the 
  vertex 
  and 
  the 
  oral 
  region 
  

   densely 
  covered 
  with 
  a 
  silvery 
  pile 
  ; 
  smooth 
  and 
  shining 
  ; 
  

   the 
  eyes 
  at 
  the 
  top 
  are 
  separated 
  by 
  the 
  length 
  of 
  the 
  

   third 
  antennal 
  joint 
  ; 
  the 
  hinder 
  ocelli 
  are 
  separated 
  from 
  

   each 
  other 
  by 
  a 
  slightly 
  greater 
  distance 
  than 
  they 
  are 
  

   from 
  the 
  eyes. 
  Middle 
  of 
  clypeus 
  transverse, 
  the 
  sides 
  

   rounded. 
  Pronotum 
  large, 
  rounded 
  at 
  the 
  base, 
  slightly 
  

  

  