﻿Manchester 
  Memoirs, 
  Vol. 
  xli. 
  (1897), 
  No. 
  4, 
  y^ 
  

  

  Bracon 
  tricarinatus, 
  sp. 
  nov. 
  

  

  Niger, 
  capitc, 
  prothorace, 
  scutello, 
  abdominis 
  bast 
  et 
  apice 
  

   pallide 
  luteis 
  ; 
  alls 
  fere 
  liyalinis. 
  $. 
  Long. 
  7 
  mm.; 
  terebra 
  

   3 
  mm. 
  

  

  Hab. 
  Ceylon 
  {Yerbnry^. 
  

  

  Head 
  testaceous-yellow, 
  except 
  at 
  the 
  orbits; 
  shining, 
  

   impunctate; 
  the 
  tips 
  of 
  the 
  mandibles 
  black 
  and 
  piceous; 
  

   a 
  deep, 
  wide 
  furrow 
  leads 
  down 
  from 
  the 
  ocelli. 
  The 
  

   scape 
  of 
  the 
  antennse 
  black 
  ; 
  the 
  flagellum 
  broken 
  off. 
  

   Pro- 
  and 
  meso-notum 
  smooth, 
  shining, 
  impunctate; 
  in 
  the 
  

   centre 
  of 
  the 
  latter 
  is 
  a 
  large 
  black 
  mark 
  reaching 
  from 
  

   the 
  extreme 
  base 
  to 
  near 
  the 
  middle, 
  and 
  two 
  equally 
  

   large 
  lateral 
  ones 
  reaching 
  from 
  near 
  the 
  base 
  to 
  the 
  

   apex; 
  the 
  scutellum 
  luteous; 
  the 
  mesonotum 
  at 
  its 
  sides 
  

   and 
  apex, 
  black. 
  Median 
  segment 
  entirely 
  black 
  ; 
  at 
  the 
  

   base 
  in 
  the 
  centre 
  is 
  a 
  depression 
  which 
  is 
  finely 
  longi- 
  

   tudinally 
  striated. 
  Meso- 
  and 
  meta-sternum 
  black 
  : 
  the 
  

   metapleuras 
  and 
  the 
  mesopleurae 
  from 
  the 
  end 
  of 
  the 
  

   oblique 
  furrow, 
  black. 
  The 
  front 
  legs 
  are 
  entirely 
  testa- 
  

   ceous 
  ; 
  the 
  middle 
  pair 
  testaceous 
  except 
  the 
  coxae 
  and 
  

   trochanters; 
  the 
  posterior 
  pair 
  entirely 
  black. 
  The 
  petiole 
  

   testaceous; 
  its 
  raised 
  centre 
  black; 
  the 
  raised 
  central 
  part 
  

   is 
  narrowed 
  gradually 
  towards 
  the 
  apex, 
  whiere 
  it 
  is 
  a 
  little 
  

   less 
  than 
  the 
  width 
  of 
  the 
  lateral 
  parts; 
  at 
  the 
  apex 
  it 
  is 
  

   stoutly 
  keeled 
  in 
  the 
  centre 
  with 
  the 
  sides 
  depressed; 
  the 
  

   base 
  of 
  the 
  depression 
  sharply 
  keeled 
  ; 
  the 
  lateral 
  depres- 
  

   sion 
  on 
  the 
  inner 
  side 
  obliquely 
  striated 
  ; 
  its 
  sides 
  keeled 
  

   down 
  the 
  centre. 
  The 
  second 
  segment 
  in 
  the 
  centre 
  

   irregularly 
  reticulated 
  ; 
  the 
  sides 
  rugosely 
  punctured 
  ; 
  in 
  

   the 
  centre 
  is 
  a 
  straight, 
  stout 
  keel, 
  triangularly 
  dilated 
  at 
  

   the 
  base, 
  this 
  part 
  being 
  aciculated; 
  the 
  latter 
  keels 
  are 
  

   equally 
  stout, 
  not 
  dilated 
  at 
  the 
  base 
  and 
  oblique 
  ; 
  the 
  

   third 
  segment 
  is 
  longitudinally 
  rugose, 
  except 
  at 
  its 
  sides 
  

   at 
  the 
  apex, 
  where 
  it 
  is 
  smooth 
  and 
  shining 
  ; 
  ia 
  the 
  centre 
  

  

  c 
  

  

  