﻿Hymenoptera 
  Orientalis. 
  31 
  

  

  ^,^RYPOXYLON 
  TINCTIPENNIS, 
  Sp. 
  IIOV. 
  

  

  Nigrum; 
  abdominis 
  segmentis 
  2° 
  et 
  f 
  nifis; 
  calcaria 
  albis 
  ; 
  

   clypeo 
  et 
  facie 
  dense 
  argenteo 
  pilosis 
  ; 
  thorace 
  longe 
  albo 
  piloso 
  ; 
  

   alis 
  fere 
  hyalinis, 
  apice 
  late 
  fuscis. 
  9. 
  Long. 
  12 
  mm. 
  

  

  Hab. 
  Barrackpore. 
  

  

  Antennae 
  covered 
  with 
  a 
  silvery 
  down, 
  the 
  third 
  joint 
  

   about 
  one-fourth 
  longer 
  than 
  the 
  fourth 
  ; 
  the 
  fourth 
  and 
  

   fifth 
  slightly 
  curved 
  on 
  the 
  lower 
  side. 
  Front 
  and 
  vertex 
  

   opaque, 
  finely 
  punctured. 
  Front 
  ocellus 
  situated 
  in 
  a 
  pit 
  ; 
  

   the 
  front 
  before 
  it 
  raised 
  on 
  either 
  side 
  into 
  a 
  roundish 
  

   elevation, 
  the 
  two 
  being 
  separated 
  by 
  a 
  furrow, 
  at 
  the 
  end 
  

   of 
  which 
  is 
  a 
  fine 
  straight 
  keel, 
  which 
  reaches 
  near 
  to 
  the 
  

   base 
  of 
  the 
  antennae. 
  Eyes 
  at 
  the 
  top 
  separated 
  by 
  the 
  

   length 
  of 
  the 
  third 
  and 
  fourth 
  joints 
  united 
  ; 
  below 
  reaching 
  

   to 
  the 
  edge 
  of 
  the 
  clypeus 
  ; 
  below 
  the 
  antennae 
  they 
  are 
  

   separated 
  by 
  about 
  the 
  length 
  of 
  the 
  second 
  and 
  third 
  

   joints 
  united 
  ; 
  clypeus 
  slightly 
  concave, 
  the 
  apex 
  scarcely 
  

   rounded, 
  being 
  straight 
  to 
  near 
  the 
  centre. 
  Palpi 
  testaceous 
  

   at 
  apex 
  ; 
  mandibles 
  rufous 
  at 
  tips. 
  The 
  pubescence 
  on 
  the 
  

   front 
  and 
  vertex 
  is 
  fuscous 
  and 
  very 
  short, 
  on 
  the 
  rest 
  of 
  

   the 
  head 
  long 
  and 
  silvery 
  white, 
  being 
  especially 
  close 
  and 
  

   thick 
  below 
  the 
  antennae. 
  Thorax 
  shining, 
  almost 
  impunc- 
  

   tate 
  and 
  with 
  a 
  plumbeous 
  tinge 
  ; 
  the 
  mesonotum 
  bears 
  a 
  

   sparse 
  short 
  pubescence 
  ; 
  the 
  pleurae 
  and 
  sternum 
  are 
  more 
  

   densely 
  covered 
  with 
  longer 
  silvery 
  white 
  hair. 
  At 
  the 
  end 
  

   of 
  the 
  metanotum 
  there 
  is, 
  in 
  the 
  middle, 
  a 
  bell-shaped 
  

   depression 
  ; 
  the 
  median 
  segment 
  is 
  deeply 
  depressed 
  in 
  

   the 
  middle, 
  the 
  depression 
  being 
  widest 
  at 
  the 
  base 
  and 
  

   continuous 
  with 
  that 
  at 
  apex 
  of 
  metanotum 
  ; 
  its 
  sides 
  are 
  

   striated. 
  Petiole 
  dilated 
  at 
  the 
  apex 
  and 
  nearly 
  as 
  long 
  as 
  

   the 
  thorax, 
  and 
  considerably 
  longer 
  than 
  the 
  second 
  and 
  

   third 
  segments 
  united. 
  The 
  second 
  segment 
  is 
  a 
  little 
  

   shorter 
  than 
  the 
  third. 
  Legs 
  pruinose, 
  the 
  coxae 
  bearing 
  

   longish 
  silvery 
  hair 
  ; 
  the 
  femora 
  are 
  sparsely 
  haired. 
  

  

  