﻿22 
  CAMERON, 
  Hymenoptera 
  Orientalia. 
  

  

  In 
  Bingham's 
  table 
  {I.e., 
  p. 
  65), 
  it 
  comes 
  in 
  at 
  " 
  a\ 
  Black, 
  

   2nd, 
  3rd, 
  and 
  base 
  of 
  4th 
  abdominal 
  segment 
  red, 
  hind 
  

   wings 
  hyaline 
  at 
  base." 
  

  

  Which 
  will 
  now 
  have 
  to 
  be 
  sub-divided, 
  as 
  the 
  terms 
  

   will 
  apply 
  to 
  two 
  species. 
  

  

  1. 
  Mesonotum 
  rugose, 
  post-scutellum 
  and 
  median 
  

   segment 
  smooth 
  and 
  shining. 
  M. 
  madraspataiia 
  Sm. 
  

  

  2. 
  Mesonotum 
  smooth, 
  except 
  for 
  a 
  few 
  large, 
  scattered 
  

   punctures 
  at 
  the 
  apex 
  ; 
  post-scutellum 
  rugose, 
  with 
  a 
  few 
  

   large 
  punctures 
  in 
  the 
  middle; 
  the 
  median 
  segment 
  opaque, 
  

   uniformly 
  finely 
  rugose. 
  M. 
  violaceipennis. 
  

  

  Head 
  black, 
  shining 
  ; 
  the 
  middle 
  of 
  the 
  vertex 
  with 
  a 
  

   large, 
  smooth 
  space, 
  except 
  for 
  four 
  small 
  punctures 
  

   placed 
  in 
  a 
  curve 
  in 
  front 
  of 
  a 
  large, 
  deep 
  one 
  ; 
  the 
  rest 
  of 
  

   the 
  front 
  and 
  vertex 
  with 
  large, 
  deep, 
  widely 
  separated 
  

   punctures, 
  being, 
  if 
  anything, 
  larger 
  and 
  distinctly 
  more 
  

   numerous 
  over 
  the 
  antennae, 
  clypeus 
  coarsely 
  punctured, 
  

   except 
  at 
  the 
  extreme 
  apex 
  ; 
  the 
  middle 
  not 
  carinate, 
  

   mandibles 
  entirely 
  black, 
  fringed 
  with 
  long, 
  pale 
  golden 
  

   hair; 
  the 
  palpi 
  dark 
  testaceous. 
  First 
  and 
  second 
  joints 
  

   of 
  the 
  antennae 
  shining, 
  bearing 
  some 
  large, 
  deep 
  

   punctures; 
  the 
  fiagellum 
  pruinose, 
  the 
  microscopic 
  pile 
  

   giving 
  it 
  a 
  whitish 
  appearance. 
  The 
  base 
  of 
  the 
  pronotum 
  

   transversely 
  coarsely 
  aciculated; 
  the 
  vertical 
  part 
  smooth, 
  

   impunctate; 
  the 
  basal 
  part 
  very 
  coarsely 
  rugose, 
  the 
  

   punctures 
  very 
  large, 
  deep 
  and 
  elongated, 
  running 
  more 
  

   or 
  less 
  into 
  each 
  other; 
  mesonotum 
  smooth 
  and 
  shining; 
  

   on 
  its 
  apical 
  half 
  are 
  a 
  few 
  large, 
  deep, 
  oval 
  and 
  round 
  

   punctures 
  ; 
  on 
  the 
  apical 
  half 
  there 
  is, 
  on 
  each 
  side, 
  a 
  

   narrow 
  but 
  distinct 
  furrow. 
  Scutellum 
  very 
  coarsely 
  and 
  

   deeply 
  punctured 
  all 
  over; 
  post-scutellum 
  coarsely 
  acicu- 
  

   lated 
  at 
  the 
  sides 
  ; 
  its 
  centre 
  with 
  a 
  few 
  moderately 
  large 
  

   punctures, 
  median 
  segment 
  coarsely 
  aciculated, 
  opaque, 
  the 
  

   sides 
  of 
  the 
  basal 
  part 
  obscurely 
  transversely 
  striated; 
  the 
  

   apex 
  sharply 
  oblique, 
  its 
  sides 
  punctured, 
  but 
  not 
  strongly; 
  

   down 
  the 
  middle 
  of 
  the 
  basal 
  part 
  runs 
  a 
  straight 
  furrow, 
  

  

  