﻿10 
  CAMERON, 
  Hymenoptera 
  Oricntalia. 
  

  

  Hylotoma 
  luteiventris, 
  sp. 
  nov. 
  

  

  Nigra 
  ; 
  abdomine 
  luteo, 
  supra 
  late 
  nigro 
  ; 
  alis 
  fusco- 
  

   violaccis, 
  nervis 
  stigmateque 
  nigris. 
  <$ 
  . 
  

  

  Long. 
  7 
  mm. 
  

  

  The 
  scape 
  of 
  the 
  flagellum 
  black 
  ; 
  the 
  flagellum 
  

   brownish, 
  thickly 
  covered 
  with 
  long, 
  black 
  hair. 
  The 
  face 
  

   has 
  a 
  slight 
  bluish 
  tinge, 
  closely 
  and 
  minutely 
  punctured, 
  

   thickly 
  covered 
  with 
  short, 
  fuscous 
  hair; 
  broadly, 
  triangu- 
  

   larly 
  projecting 
  in 
  the 
  middle 
  ; 
  the 
  sides 
  of 
  the 
  projection 
  

   bordered 
  by 
  a 
  furrow, 
  which 
  is 
  deepest 
  and 
  widest 
  below. 
  

   The 
  apex 
  of 
  the 
  clypeus 
  has 
  a 
  shallow 
  incision 
  ; 
  the 
  

   mandibles 
  are 
  black, 
  with 
  bronzy 
  tints; 
  the 
  palpi 
  are 
  black, 
  

   covered 
  with 
  white 
  hair 
  ; 
  the 
  apical 
  joint 
  of 
  the 
  maxillary 
  

   obscure 
  testaceous. 
  The 
  front 
  and 
  vertex 
  are 
  thickly 
  

   covered 
  with 
  short, 
  black 
  hairs 
  ; 
  the 
  centre 
  of 
  the 
  front 
  

   raised, 
  the 
  raised 
  part 
  becoming 
  higher 
  towards 
  the 
  apex 
  ; 
  

   its 
  centre 
  hollowed 
  ; 
  the 
  depression 
  of 
  equal 
  width, 
  except 
  

   that 
  it 
  is 
  slightly 
  narrowed 
  near 
  the 
  apex. 
  Thorax 
  black, 
  

   with 
  bluish 
  tints; 
  covered 
  with 
  short, 
  black 
  pubescence; 
  

   the 
  scutellum 
  more 
  thickly 
  with 
  longer, 
  black 
  pubescence; 
  

   the 
  post-scutellum 
  very 
  smooth 
  and 
  glabrous 
  with 
  a 
  

   violaceous 
  lustre 
  and 
  deeply 
  and 
  widely 
  depressed 
  at 
  the 
  

   base. 
  The 
  basal 
  segment 
  of 
  the 
  abdomen 
  coarsely 
  acicu- 
  

   lated 
  ; 
  the 
  other 
  segments 
  are 
  smooth, 
  the 
  black 
  with 
  blue 
  

   and 
  violaceous 
  reflections 
  on 
  the 
  sides, 
  the 
  apical 
  two 
  and 
  

   and 
  the 
  ventral 
  segments 
  luteous. 
  Legs 
  blue-black, 
  

   thickly 
  covered 
  with 
  short, 
  black 
  hair. 
  The 
  wings 
  are 
  

   lighter-tinted 
  towards 
  the 
  apex 
  ; 
  the 
  second 
  cubital 
  cellule 
  

   at 
  the 
  top 
  is 
  shorter, 
  at 
  the 
  bottom 
  slightly 
  longer, 
  than 
  

   the 
  third 
  ; 
  the 
  first 
  recurrent 
  nervure 
  is 
  received 
  near 
  the 
  

   basal 
  fourth 
  of 
  the 
  cellule; 
  the 
  second 
  about 
  the 
  same 
  

   distance 
  from 
  the 
  base 
  of 
  the 
  third 
  cellule. 
  

  

  Allied 
  to 
  H. 
  zantJiogastcr 
  Cam. 
  

  

  