﻿82 
  Cameron, 
  Hymenoptera 
  Orientalia. 
  

  

  Antennae 
  black, 
  slightly 
  longer 
  than 
  the 
  body. 
  Front 
  

   and 
  vertex 
  smooth 
  and 
  shining 
  ; 
  the 
  latter 
  covered 
  with 
  

   long 
  fuscous 
  hair 
  ; 
  the 
  face 
  rugose, 
  sparsely 
  covered 
  with 
  

   long 
  fuscous 
  hair; 
  the 
  clypeus 
  bordered 
  on 
  the 
  lower 
  side 
  

   with 
  a 
  distinct 
  keel, 
  above 
  with 
  a 
  thinner 
  one 
  ; 
  the 
  

   mandibular 
  teeth 
  black. 
  Thorax 
  smooth 
  and 
  shining 
  ; 
  

   the 
  mesonotal 
  lobes 
  black, 
  except 
  round 
  the 
  edges. 
  

   Scutellum 
  yellow, 
  except 
  the 
  sides 
  at 
  the 
  base. 
  Post- 
  

   scutellum 
  black. 
  , 
  Median 
  segment 
  black, 
  shining 
  and 
  

   covered 
  with 
  long 
  white 
  hair. 
  Pleurae 
  smooth 
  and 
  shining 
  ; 
  

   the 
  furrow 
  on 
  the 
  metapleurae 
  wide, 
  deep, 
  and 
  narrowed 
  

   in 
  the 
  middle. 
  Wings 
  hyaline, 
  iridescent, 
  their 
  base 
  

   with 
  a 
  slight 
  fulvous 
  tint 
  ; 
  the 
  costa 
  and 
  stigma 
  black, 
  

   as 
  are 
  also 
  the 
  nervures 
  ; 
  the 
  second 
  cubital 
  cellule 
  at 
  the 
  

   top 
  is 
  more 
  than 
  half 
  the 
  length 
  of 
  the 
  third 
  ; 
  the 
  recurrent 
  

   nervure 
  is 
  interstitial. 
  Abdomen 
  black, 
  except 
  the 
  sides 
  

   of 
  the 
  petiole 
  and 
  the 
  apical 
  segments, 
  which 
  are 
  testaceous 
  ; 
  

   the 
  base 
  of 
  the 
  petiole 
  is 
  smooth 
  ; 
  its 
  apex 
  has 
  two 
  united, 
  

   somewhat 
  oval, 
  areas, 
  which 
  have 
  some 
  stout, 
  irregular 
  

   keels 
  inside. 
  The 
  second 
  segment 
  is 
  raised 
  and 
  stoutly 
  

   irregularly 
  reticulated 
  in 
  the 
  middle 
  ; 
  with 
  a 
  keel 
  down 
  

   the 
  middle, 
  this 
  keel 
  being 
  smooth 
  and 
  triangular 
  at 
  the 
  

   base 
  ; 
  its 
  depressed 
  sides 
  are 
  obliquely 
  striated 
  on 
  the 
  

   inner 
  half; 
  the 
  second 
  and 
  third 
  segments 
  are 
  closely 
  

   rugose, 
  the 
  second 
  almost 
  rugosely 
  striated 
  ; 
  the 
  securi- 
  

   form 
  articulation 
  stoutly 
  striated 
  or 
  keeled 
  ; 
  the 
  lateral 
  

   curved 
  branch 
  broader, 
  shallower, 
  indistinctly 
  striated 
  ; 
  

   the 
  apex 
  of 
  the 
  segment 
  laterally 
  is 
  produced 
  slight!}' 
  

   behind, 
  and 
  is 
  smooth 
  and 
  shining 
  ; 
  the 
  apex 
  of 
  the 
  third 
  

   is 
  similarly, 
  but 
  more 
  greatly 
  produced 
  ; 
  the 
  apex 
  of 
  the 
  

   segment 
  is 
  depressed 
  ; 
  furrowed 
  ; 
  the 
  edge 
  is 
  pale 
  ; 
  the 
  

   penultimate 
  segment 
  is 
  depressed, 
  aciculated. 
  The 
  front 
  

   legs 
  are 
  entirely 
  testaceous 
  ; 
  the 
  middle 
  pair 
  testaceous, 
  

   with 
  the 
  coxae 
  and 
  trochanters 
  black 
  ; 
  the 
  hind 
  legs 
  are 
  

  

  