﻿4 
  CAMERON, 
  Hymenoptera 
  Orientalia. 
  

  

  blackish 
  at 
  the 
  apex 
  ; 
  the 
  tarsi 
  black, 
  with 
  the 
  greater 
  

   part 
  of 
  their 
  basal 
  joint 
  yellowish-testaceous 
  at 
  the 
  base 
  ; 
  

   they 
  are 
  all 
  thickly 
  covered 
  with 
  pale 
  hairs 
  ; 
  the 
  femora 
  

   are 
  strongly 
  punctured 
  and 
  have 
  a 
  purplish 
  tinge. 
  The 
  

   costa, 
  stigma 
  and 
  nervures 
  are 
  rufo-testaceous. 
  Abdomen 
  

   black, 
  the 
  apex 
  with 
  a 
  violaceous 
  tinge 
  ; 
  the 
  basal 
  two 
  

   segments, 
  and 
  the 
  fourth 
  more 
  broadly, 
  are 
  lined 
  with 
  

   yellow 
  at 
  the 
  base 
  ; 
  the 
  last 
  segment 
  is 
  roundly 
  depressed 
  

   at 
  the 
  base, 
  where 
  it 
  is 
  purple 
  and 
  almost 
  smooth, 
  not 
  

   rough 
  like 
  the 
  rest 
  of 
  the 
  segment 
  ; 
  the 
  apex 
  of 
  the 
  pen- 
  

   ultimate 
  segment 
  behind 
  it 
  is 
  semicircularly 
  incised, 
  the 
  

   edge 
  of 
  the 
  incision 
  being 
  acutely 
  raised. 
  The 
  basal 
  

   ventral 
  segments 
  are 
  smooth 
  and 
  shining, 
  their 
  apices 
  and 
  

   central 
  parts 
  yellowish-testaceous 
  ; 
  the 
  apical 
  ventral 
  

   segments 
  are 
  coarsely 
  punctured 
  ; 
  the 
  spine 
  is 
  roughly 
  

   serrate 
  below 
  ; 
  the 
  sheaths 
  of 
  the 
  ovipositor 
  black, 
  dark 
  

   ferruginous 
  on 
  the 
  lower 
  side, 
  its 
  sides 
  coarsely, 
  somewhat 
  

   obliquely, 
  striated 
  ; 
  the 
  top 
  near 
  the 
  apex 
  with 
  some 
  

   short, 
  stout, 
  irregular 
  teeth. 
  

  

  Comes 
  near 
  to 
  the 
  East 
  Indian 
  T. 
  Smithii 
  Cam., 
  but 
  

   that 
  has 
  the 
  wings 
  purplish-hyaline, 
  with 
  a 
  hyaline 
  spot 
  

   in 
  the 
  second 
  brachial 
  cellule 
  and 
  one 
  in 
  the 
  middle 
  of 
  

   the 
  hinder 
  wings 
  ; 
  the 
  body 
  blue-black, 
  the 
  thorax 
  without 
  

   yellow, 
  the 
  base 
  of 
  the 
  hinder 
  tibiae 
  and 
  of 
  the 
  hinder 
  

   tarsi 
  only 
  yellow, 
  &c. 
  

  

  XlPHYDRIA 
  QUADRIMACULATA, 
  Sp. 
  710V. 
  

  

  Nigra 
  ; 
  viandibularum 
  basi 
  late, 
  maculis 
  quatuor 
  

   abdominis 
  basi, 
  basi 
  tibiarum 
  late 
  basique 
  tarsorum 
  posti- 
  

   coriim 
  a/bis 
  ; 
  alis 
  hyalinis, 
  nervis 
  stigmatcque 
  nigris. 
  ? 
  . 
  

  

  Long. 
  13 
  mm. 
  

  

  Antennae 
  12-jointed 
  : 
  the 
  scape 
  bare, 
  shining, 
  dilated 
  

   at 
  the 
  apex 
  ; 
  the 
  flagellum 
  distinctly 
  tapering 
  towards 
  

   the 
  apex, 
  where 
  the 
  joints 
  are 
  brownish 
  beneath 
  ; 
  the 
  tenth 
  

  

  