﻿26 
  CAMERON, 
  Hymcnoptera 
  Orientalia. 
  

  

  Thorax 
  shining, 
  impunctate 
  above 
  ; 
  the 
  furrow 
  on 
  the 
  

   middle 
  lobe 
  of 
  the 
  mesonotum 
  is 
  wide 
  and 
  deep 
  ; 
  the 
  

   scutellum 
  large, 
  pyramidal, 
  smooth 
  ; 
  its 
  basal 
  and 
  apical 
  

   slope 
  about 
  equal 
  in 
  length. 
  Propleurae 
  smooth, 
  roundly, 
  

   largely 
  tuberculate 
  in 
  the 
  middle 
  above. 
  The 
  mesopleurae 
  

   bearing 
  large, 
  deep, 
  irregular 
  punctures 
  ; 
  its 
  extreme 
  base 
  

   smooth 
  ; 
  the 
  lower 
  part, 
  at 
  the 
  apex, 
  largely, 
  somewhat 
  

   triangularly, 
  projecting. 
  Mesosternum 
  bearing 
  fine, 
  widely 
  

   separated 
  punctures 
  ; 
  its 
  base 
  oblique 
  ; 
  the 
  central 
  longi- 
  

   tudinal 
  furrow 
  minute 
  ; 
  the 
  apex, 
  on 
  either 
  side 
  of 
  the 
  

   middle, 
  projects 
  into 
  triangular 
  tubercles. 
  Legs 
  black 
  ; 
  

   all 
  the 
  trochanters, 
  the 
  apices 
  of 
  the 
  four 
  hinder 
  coxee, 
  the 
  

   apices 
  of 
  all 
  the 
  femora 
  narrowly, 
  and 
  the 
  bases 
  of 
  all 
  the 
  

   tibiae 
  broadly 
  — 
  the 
  hinder 
  more 
  broadly 
  than 
  the 
  others 
  — 
  

   yellow. 
  Wings 
  fuscous-violaceous, 
  the 
  posterior 
  and 
  the 
  

   hinder 
  part 
  of 
  the 
  anterior 
  lighter 
  in 
  tint 
  ; 
  the 
  first 
  

   recurrent 
  nervure 
  is 
  received 
  shortly 
  before 
  the 
  middle 
  ; 
  

   the 
  second 
  in 
  the 
  basal 
  fourth 
  of 
  the 
  cellule. 
  Abdomen 
  

   shining, 
  the 
  basal 
  segments 
  broadly, 
  and 
  the 
  apices 
  of 
  the 
  

   others 
  narrowly, 
  branded 
  with 
  yellow. 
  

  

  In 
  certain 
  lights 
  the 
  black 
  colour 
  has 
  a 
  distinct 
  

   violaceous 
  tint. 
  

  

  Allantus 
  BRUNNEUS, 
  Sp. 
  IIOV. 
  

  

  Ru/us, 
  abdoDiinis 
  basi 
  nigra 
  ; 
  tarsis 
  posticis 
  pallide 
  

   flavis 
  ; 
  fevwribus 
  anterioribus 
  supra 
  nigris 
  ; 
  a 
  lis 
  fulvo- 
  

   hyalinis. 
  $ 
  . 
  

  

  Long. 
  13 
  mm. 
  

  

  Antennae 
  not 
  much 
  longer 
  than 
  the 
  thorax 
  ; 
  the 
  

   apical 
  four 
  joints 
  distinctly 
  thickened 
  ; 
  the 
  third 
  joint 
  

   almost 
  twice 
  the 
  length 
  of 
  the 
  fourth 
  ; 
  the 
  ocellar 
  region 
  

   and 
  the 
  front 
  distinctly 
  raised 
  ; 
  the 
  former 
  depressed 
  in 
  

   the 
  middle, 
  thickly 
  covered 
  with 
  short, 
  fuscous 
  hair. 
  

   Clypeus 
  and 
  labrum 
  smooth, 
  the 
  latter 
  with 
  a 
  yellowish 
  

  

  