﻿8o 
  CAMERON, 
  Hymenoptera 
  Orientalia. 
  

  

  palpi 
  testaceous. 
  Thorax 
  black, 
  shining, 
  more 
  or 
  less 
  

   thickly 
  covered 
  with 
  silvery 
  pubescence 
  ; 
  the 
  pronotum 
  

   with 
  an 
  oblique 
  slope 
  behind, 
  distinctly 
  separated 
  from 
  

   the 
  mesonotum, 
  which 
  is 
  indistinctly 
  furrowed, 
  except 
  at 
  

   the 
  base 
  ; 
  the 
  median 
  segment 
  is 
  more 
  strongly 
  and 
  

   distinctly 
  aciculated. 
  Propleurae 
  closely, 
  minutely 
  and 
  

   distinctly 
  punctured 
  ; 
  in 
  the 
  middle 
  behind, 
  is 
  a 
  deep, 
  

   narrow, 
  distinct, 
  curved 
  furrow. 
  The 
  base 
  of 
  the 
  meso- 
  

   pleurre 
  strongly 
  and 
  closely 
  punctured 
  ; 
  on 
  the 
  lower 
  part 
  

   at 
  the 
  base 
  is 
  a 
  short, 
  oblique, 
  deep 
  furrow, 
  which 
  is 
  

   covered 
  with 
  silvery 
  pubescence 
  ; 
  the 
  middle 
  fovea 
  is 
  

   large 
  and 
  deep. 
  Metapleurae 
  strongly 
  aciculated 
  ; 
  the 
  

   furrow 
  at 
  the 
  base 
  is 
  curved, 
  moderately 
  wide 
  and 
  deep 
  ; 
  

   on 
  the 
  upper 
  side 
  is 
  a 
  fine 
  keel. 
  Wings 
  clear 
  hyaline, 
  

   the 
  nervures 
  fuscous. 
  Abdomen 
  black, 
  shining. 
  

  

  This 
  is 
  the 
  smallest 
  of 
  the 
  Indian 
  species, 
  the 
  smallest 
  

   species 
  hitherto 
  described 
  being 
  T. 
  bitddha, 
  which 
  is 
  9 
  mm. 
  

   in 
  length. 
  The 
  median 
  segment 
  has 
  no 
  lateral 
  furrows. 
  

  

  EVANIIDvE. 
  

  

  AULACUS 
  IRIDIPENNIS, 
  Sp. 
  710V. 
  

  

  Niger, 
  scapo 
  antennarum 
  tibiisque 
  anterioribus 
  rufis 
  ; 
  

   alls 
  Iiyalinis, 
  macula 
  substigmatali 
  fusca. 
  6 
  . 
  

  

  Long. 
  14 
  mm. 
  

  

  Antennae 
  short, 
  distinctly 
  thinner 
  at 
  the 
  apex 
  ; 
  black 
  ; 
  

   the 
  scape 
  rufo-testaceous 
  ; 
  the 
  second 
  joint 
  is 
  thickly 
  pilose; 
  

   is 
  about 
  one-half 
  the 
  length 
  of 
  the 
  third 
  ; 
  both 
  together 
  

   are 
  about 
  as 
  long 
  as 
  the 
  fourth. 
  Head 
  shining, 
  smooth 
  ; 
  

   the 
  vertex 
  sparsely 
  covered 
  with 
  short 
  fuscous 
  pubes- 
  

   cence 
  ; 
  the 
  face 
  and 
  lower 
  inner 
  orbits 
  thickly 
  with 
  white 
  

   pubescence. 
  The 
  clypeus 
  slightly 
  projects 
  in 
  the 
  middle 
  ; 
  

   the 
  apex 
  bluntly 
  carinate 
  in 
  the 
  centre, 
  and 
  oblique. 
  

   Mandibles 
  on 
  the 
  lower 
  sides 
  fringed 
  with 
  golden 
  hair. 
  

   The 
  head 
  is 
  not 
  much 
  narrowed 
  behind 
  the 
  eyes 
  ; 
  and 
  is 
  

  

  

  