﻿26 
  Cameron, 
  Hymenoptera 
  Orientalia. 
  

  

  hinder 
  tibiae 
  and 
  tarsi 
  are 
  distinctly 
  spined. 
  Wings 
  

   hyaline 
  ; 
  the 
  nervures 
  fuscous 
  ; 
  the 
  stigma 
  pallid 
  on 
  the 
  

   lower 
  side 
  ; 
  the 
  areolet 
  is 
  square 
  ; 
  the 
  second 
  transverse 
  

   cubital 
  nervure 
  is 
  faint 
  ; 
  the 
  recurrent 
  nervure 
  is 
  received 
  

   shortly 
  beyond 
  the 
  middle, 
  and 
  is 
  largely 
  bullated 
  in 
  the 
  

   centre 
  ; 
  the 
  transverse 
  median 
  nervure 
  is 
  received 
  shortly 
  

   behind 
  the 
  basal. 
  Petiole 
  shining 
  and 
  smooth 
  ; 
  the 
  

   dilated 
  part 
  depressed 
  in 
  the 
  middle 
  above 
  ; 
  the 
  other 
  

   segments 
  are 
  more 
  opaque, 
  obscure 
  testaceous 
  at 
  the 
  

   apex 
  ; 
  the 
  gastrocceli 
  are 
  shallow, 
  testaceous 
  at 
  the 
  apex, 
  

   the 
  base 
  with 
  a 
  shining, 
  smooth 
  keel. 
  

  

  The 
  following 
  two 
  species 
  agree 
  with 
  the 
  foregoing 
  in 
  

   neuration 
  and 
  in 
  the 
  form 
  of 
  the 
  spiracles 
  ; 
  but 
  differ 
  

   in 
  having 
  the 
  metathorax 
  closely, 
  distinctly, 
  and 
  finely 
  

   rugose. 
  In 
  E. 
  dentata 
  the 
  median 
  segment 
  is 
  depressed 
  in 
  

   the 
  middle 
  and 
  armed 
  with 
  two 
  teeth 
  ; 
  there 
  is 
  one 
  

   transverse 
  keel 
  on 
  it 
  ; 
  the 
  parapsidal 
  furrows 
  are 
  distinct 
  ; 
  

   the 
  apex 
  of 
  the 
  abdomen 
  is 
  white 
  ; 
  the 
  tarsi 
  spinose. 
  

  

  o 
  

   Etha 
  DENTATA, 
  sp. 
  nov. 
  

  

  Nigra 
  ; 
  linea 
  pronoti 
  maculaque 
  medio 
  scutelli 
  flavis 
  ; 
  

   a/is 
  hyalinis, 
  stigmate 
  fusco. 
  $ 
  . 
  

  

  Long. 
  9 
  mm. 
  

  

  Antennae 
  black 
  ; 
  the 
  scape 
  below, 
  and 
  the 
  middle 
  of 
  

   the 
  flagellum 
  broadly, 
  except 
  above, 
  white. 
  Head 
  black 
  ; 
  

   the 
  eye 
  orbits 
  all 
  round, 
  narrowly 
  on 
  the 
  top 
  on 
  the 
  

   outer 
  side, 
  the 
  antennal 
  tubercles 
  and 
  a 
  mark 
  on 
  the 
  face, 
  

   broadest 
  below, 
  the 
  clypeus, 
  base 
  of 
  mandibles, 
  labrum 
  

   and 
  palpi, 
  yellow. 
  The 
  face 
  and 
  clypeus 
  closely 
  and 
  

   uniformly 
  punctured, 
  and 
  thickly 
  covered 
  with 
  short 
  white 
  

   pubescence. 
  The 
  front 
  and 
  vertex 
  closely 
  and 
  finely 
  

   rugosely 
  punctured, 
  the 
  front 
  closely 
  transversely 
  below, 
  

  

  