﻿Hymenoptera 
  Orientalis. 
  33 
  

  

  Hab. 
  Northern 
  India.^ 
  

   ^-Orabro 
  ODONTOPHORA, 
  sp. 
  nov. 
  (PI. 
  X. 
  f. 
  20, 
  a, 
  b). 
  

  

  Antennae 
  covered 
  with 
  a 
  microscopic 
  white 
  pile, 
  black, 
  

   the 
  scape 
  Hned 
  with 
  yellow 
  beneath 
  ; 
  the 
  third 
  joint 
  nearly 
  

   twice 
  the 
  length 
  of 
  the 
  fourth. 
  Head 
  with 
  a 
  plumbeous 
  hue, 
  

   shining, 
  the 
  front, 
  cheeks 
  and 
  clypeus 
  densely 
  covered 
  with 
  

   silvery 
  pubescence, 
  the 
  outer 
  orbits 
  of 
  the 
  eyes 
  on 
  the 
  lower 
  

   side 
  with 
  silvery 
  and 
  the 
  vertex 
  with 
  a 
  pale 
  fuscous 
  hair. 
  

   Ocelli 
  in 
  a 
  triangle, 
  the 
  hinder 
  separated 
  from 
  the 
  eyes 
  by 
  

   nearly 
  the 
  length 
  of 
  the 
  third 
  and 
  from 
  each 
  other 
  by 
  

   nearly 
  the 
  length 
  of 
  the 
  fourth 
  antennal 
  joint. 
  A 
  shallow 
  

   furrow 
  runs 
  down 
  the 
  front 
  from 
  the 
  vertex 
  ; 
  the 
  front 
  is 
  

   only 
  slightly 
  excavated 
  ; 
  the 
  clypeus 
  is 
  bluntly 
  keeled, 
  the 
  

   apex 
  projecting 
  in 
  the 
  middle, 
  almost 
  truncated, 
  but 
  with 
  

   the 
  sides 
  rounded. 
  Mandibles 
  yellow, 
  black 
  at 
  the 
  apex, 
  

   covered 
  sparsely 
  with 
  white, 
  glistening 
  hair. 
  Thorax 
  with 
  

   a 
  plumbeous 
  hue, 
  shining, 
  very 
  minutely 
  punctured 
  on 
  the 
  

   mesonotum 
  and 
  scutellum 
  ; 
  the 
  pronotum 
  narrowed 
  in 
  the 
  

   middle 
  in 
  front 
  and 
  with 
  a 
  minute 
  furrow 
  on 
  the 
  top 
  ; 
  the 
  

   pleural 
  furrows 
  crenulated 
  ; 
  median 
  segment 
  elongate 
  ; 
  

   shining, 
  covered 
  with 
  long 
  white 
  hair 
  ; 
  furrowed 
  down 
  the 
  

   middle, 
  the 
  centre 
  at 
  base 
  finely 
  aciculate, 
  the 
  sides 
  finely 
  

   rugose 
  ; 
  metapleura3 
  shining, 
  not 
  hollowed, 
  almost 
  impunc- 
  

   tate. 
  Abdomen 
  shining, 
  impunctate 
  ; 
  the 
  petiole 
  hollowed 
  

   at 
  the 
  base 
  above 
  ; 
  a 
  small 
  mark 
  on 
  either 
  side 
  at 
  its 
  apex; 
  

   a 
  large 
  mark 
  on 
  the 
  sides 
  of 
  the 
  third 
  and 
  fourth 
  ; 
  the 
  apex 
  

   broadly 
  rounded, 
  almost 
  truncated, 
  but 
  with 
  the 
  sides 
  

   rounded 
  ; 
  pygidium 
  punctured, 
  hollowed 
  in 
  the 
  centre. 
  

   Legs 
  : 
  hind 
  femora 
  and 
  tibiae 
  clavate 
  ; 
  the 
  latter 
  with 
  a 
  broad 
  

   furrow 
  on 
  the 
  apical 
  half 
  on 
  the 
  outer 
  side, 
  the 
  former 
  with 
  

   a 
  broad 
  furrow 
  in 
  the 
  middle 
  on 
  the 
  lower 
  side 
  ; 
  basal 
  joint 
  

   of 
  anterior 
  tarsi 
  twisted, 
  dilated 
  at 
  the 
  base, 
  the 
  dilatation 
  

   forming 
  a 
  blunt 
  tooth 
  ; 
  hind 
  calcaria 
  reaching 
  to 
  the 
  middle 
  

   of 
  metatarsus 
  ; 
  hind 
  coxa; 
  at 
  the 
  base 
  projecting 
  in 
  a 
  stout 
  

  

  