﻿Hymetioptera 
  Orieiitalis. 
  31 
  

  

  and 
  there 
  are 
  two 
  shallow 
  furrows 
  on 
  the 
  mesonotum, 
  only 
  

   the 
  four 
  anterior 
  knees, 
  tibiae 
  and 
  tarsi 
  are 
  testaceous, 
  this 
  

   being 
  also 
  the 
  case 
  with 
  the 
  hinder. 
  ?. 
  

   Hab. 
  Poona 
  ( 
  Wroiighton). 
  

  

  ^. 
  PSEN 
  ORIENTALIS, 
  Sp. 
  nov. 
  

  

  Niger, 
  nitidns, 
  alls 
  fere 
  Jiyalinis, 
  nervis 
  Jiigris, 
  ?. 
  Long. 
  

   1 
  1 
  mm. 
  

  

  Antennae 
  distinctly 
  thickened 
  towards 
  the 
  apex, 
  the 
  

   flagellum 
  closely 
  covered 
  with 
  a 
  whitish 
  pubescence, 
  the 
  

   scape 
  thickened, 
  shorter 
  than 
  the 
  third 
  joint, 
  which 
  is 
  twice 
  

   the 
  length 
  of 
  the 
  fourth. 
  Front 
  and 
  vertex 
  shining, 
  im- 
  

   punctate, 
  sparsely 
  pubescent 
  ; 
  the 
  head 
  below 
  the 
  antennae 
  

   covered 
  densely 
  with 
  white 
  depressed 
  hair. 
  Ocellar 
  regions 
  

   raised, 
  the 
  ocelli 
  not 
  in 
  pits. 
  Eyes 
  converging 
  perceptibly 
  

   towards 
  the 
  bottom. 
  Clypeus 
  almost 
  as 
  in 
  P. 
  rufiventris. 
  

   Thorax 
  shining, 
  impunctate 
  ; 
  the 
  basal 
  area 
  of 
  median 
  

   segment 
  not 
  so 
  clearly 
  defined 
  as 
  in 
  P. 
  rufiventris 
  ; 
  the 
  

   keels 
  less 
  distinct 
  ; 
  and 
  the 
  apex 
  of 
  the 
  segment 
  is 
  much 
  less 
  

   distinctly 
  reticulated, 
  and 
  there 
  is 
  a 
  large 
  depression 
  in 
  the 
  

   centre. 
  Petiole 
  on 
  lower 
  side 
  bearing 
  long 
  white 
  hair. 
  

   Pygidial 
  area 
  flat 
  above, 
  not 
  convex, 
  the 
  sides 
  keeled, 
  the 
  

   base 
  impunctate, 
  the 
  rest 
  finely 
  and 
  closely 
  punctured 
  ; 
  the 
  

   sides 
  covered 
  with 
  longish 
  fulvous 
  hair. 
  Legs 
  covered 
  with 
  

   white 
  hair 
  ; 
  the 
  hind 
  spurs 
  and 
  claws 
  ferruginous. 
  The 
  

   second 
  cubital 
  cellule 
  at 
  the 
  top 
  is 
  shorter 
  than 
  the 
  space 
  

   bounded 
  by 
  the 
  first 
  recurrent 
  and 
  second 
  transverse 
  cubital 
  

   nervures 
  ; 
  the 
  first 
  recurrent 
  nervure 
  is 
  received 
  in 
  the 
  basal 
  

   third 
  of 
  the 
  cellule, 
  the 
  second 
  is 
  almost 
  interstitial. 
  

  

  Apart 
  from 
  the 
  difference 
  in 
  coloration, 
  P. 
  orientalis 
  may 
  

   be 
  known 
  from 
  P. 
  rjifiventris 
  hy 
  the 
  third 
  antennal 
  joint 
  

   being 
  twice 
  the 
  length 
  of 
  the 
  fourth, 
  by 
  the 
  less 
  clearly 
  

   hyaline 
  wings, 
  by 
  the 
  interstitial 
  second 
  recurrent 
  nervure, 
  

   &c. 
  

  

  Hab. 
  Madras 
  {Rothney). 
  

  

  