﻿Hymenoptera 
  Orientalis. 
  463 
  

  

  distinctly 
  toward 
  the 
  apex 
  ; 
  median 
  segment 
  longer 
  than 
  the 
  

   mesothorax, 
  depressed 
  in 
  the 
  middle 
  at 
  apex 
  ; 
  the 
  laterally- 
  

   produced 
  angles 
  broad, 
  short. 
  Abdominal 
  segments 
  with 
  

   a 
  broad 
  belt 
  of 
  silvery 
  pruinose 
  pubescence. 
  Legs 
  

   moderately 
  long 
  ; 
  the 
  hinder 
  tibisD 
  with 
  few 
  spines 
  — 
  longish 
  

   and 
  black. 
  The 
  transverse 
  basal 
  nervure 
  is 
  not 
  interstitial 
  ; 
  

   for 
  neuration, 
  see 
  pi. 
  III. 
  f 
  8. 
  

  

  Length, 
  7 
  mm. 
  

  

  Hab. 
  Barrackpore. 
  

  

  From 
  P. 
  WrougJitoni 
  which 
  it 
  resembles 
  in 
  colouration 
  it 
  

   may 
  be 
  known 
  by 
  being 
  stouter, 
  by 
  the 
  head 
  being 
  longer, 
  

   by 
  the 
  eyes 
  being 
  nearer 
  each 
  other 
  at 
  the 
  top 
  ; 
  by 
  the 
  

   pronotum 
  not 
  having 
  such 
  a 
  gradual 
  slope 
  to 
  the 
  head, 
  and 
  

   almost 
  transverse 
  behind, 
  by 
  the 
  abdomen 
  being 
  shorter 
  

   and 
  broader 
  and 
  stouter. 
  

  

  ^POMPILUS 
  (FERROLA 
  ?) 
  ROTHNEYI, 
  Sp. 
  nov. 
  (PI. 
  III. 
  f 
  9). 
  

  

  Black, 
  pruinose 
  with 
  a 
  plumberous 
  hue, 
  the 
  apex 
  of 
  the 
  

   abdominal 
  segments 
  broadly 
  black, 
  not 
  pruinose, 
  the 
  pruin- 
  

   osity 
  giving 
  the 
  insect 
  a 
  greyish 
  hue 
  ; 
  wings 
  yellowish 
  

   hyaline, 
  the 
  apex 
  infuscated. 
  Eyes 
  a 
  little 
  converging 
  

   beneath, 
  ocelli 
  moderate, 
  not 
  in 
  a 
  triangle 
  ; 
  the 
  posterior 
  

   separated 
  from 
  each 
  other 
  by 
  a 
  somewhat 
  greater 
  distance 
  

   than 
  they 
  are 
  from 
  the 
  eyes. 
  Clypeus 
  equally 
  convex 
  all 
  

   over, 
  short, 
  broad, 
  the 
  sides 
  obliquely 
  truncated, 
  the 
  apex 
  

   almost 
  transverse 
  ; 
  labrum 
  half 
  the 
  length 
  of 
  the 
  clypeus, 
  

   bluntly 
  rounded. 
  Occiput 
  transverse, 
  very 
  little 
  developed 
  

   behind 
  the 
  eyes. 
  Antennae 
  moderately 
  stout, 
  the 
  scape 
  

   greyish 
  pruinose. 
  Prothorax 
  longer 
  than 
  the 
  head, 
  not 
  

   much 
  narrowed 
  towards 
  the 
  head, 
  the 
  sides 
  a 
  little 
  

   convex, 
  at 
  apex 
  arcuate. 
  Median 
  segment 
  concave 
  

   at 
  the 
  apex 
  ; 
  the 
  sides 
  terminating 
  in 
  stout, 
  somewhat 
  

   triangular 
  projections, 
  the 
  apex 
  with 
  a 
  thick 
  fringe 
  of 
  

   pale 
  hair. 
  Abdomen 
  subsessile. 
  Radial 
  cellule 
  short, 
  

   A3 
  

  

  