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  CAMERON, 
  Hymenoptera 
  Orientalia. 
  

  

  the 
  petiole 
  and 
  a 
  broad 
  band 
  down 
  its 
  middle, 
  a 
  long 
  line 
  

   down 
  the 
  middle 
  of 
  the 
  second 
  segment 
  ; 
  a 
  narrow 
  trans- 
  

   verse 
  one 
  on 
  its 
  apex, 
  the 
  apices 
  of 
  the 
  third, 
  fourth, 
  and 
  

   fifth 
  segments 
  broadly 
  yellow 
  ; 
  the 
  apical 
  segments 
  

   obscure 
  rufous 
  ; 
  the 
  ventral 
  segments, 
  except 
  the 
  apical, 
  

   testaceous. 
  

  

  EPHIALTES. 
  

  

  A. 
  Yellow 
  marked 
  with 
  black. 
  

  

  The 
  Indian 
  species 
  belonging 
  to 
  this 
  genus 
  form 
  two 
  

   well 
  marked 
  sections. 
  

  

  1. 
  Middle 
  lobe 
  of 
  the 
  mesonotum 
  raised 
  and 
  distinctly 
  

   separated 
  from 
  the 
  lateral 
  ; 
  the 
  median 
  segment 
  coarsely 
  

   punctured 
  ; 
  in 
  the 
  middle 
  at 
  the 
  base 
  with 
  a 
  distinct 
  

   depression 
  ; 
  the 
  second 
  and 
  third 
  abdominal 
  segments 
  

   with 
  distinct 
  transverse 
  depressions, 
  smooth. 
  

  

  EPHIALTES 
  NIGRITARSIS, 
  Sp. 
  UOV. 
  

  

  Flavus, 
  nigromaculatus 
  ; 
  metanoto 
  punctato 
  ; 
  alls 
  

   hyalinis, 
  stigmatc 
  fusco, 
  nervis 
  nigris. 
  $ 
  . 
  

  

  Long. 
  16 
  mm. 
  

  

  Antennae 
  nearly 
  as 
  long 
  as 
  the 
  body, 
  black 
  ; 
  the 
  scape 
  

   yellow, 
  marked 
  with 
  black 
  above; 
  the 
  base 
  of 
  the 
  flagellum 
  

   brownish. 
  Head 
  smooth 
  ; 
  the 
  face 
  slightly 
  punctured, 
  

   shining 
  ; 
  the 
  front 
  broadly, 
  the 
  vertex 
  at 
  the 
  top 
  and 
  the 
  

   occiput, 
  black. 
  Mandibles 
  black, 
  yellowish 
  at 
  the 
  base 
  ; 
  

   the 
  palpi 
  yellow 
  ; 
  the 
  face 
  slightly 
  projects 
  in 
  the 
  middle 
  

   at 
  the 
  base, 
  the 
  projection 
  being 
  bordered 
  by 
  black. 
  

   Thorax 
  shining 
  ; 
  the 
  middle 
  lobe 
  somewhat 
  pear-shaped, 
  

   raised 
  above 
  and 
  clearly 
  separated 
  from 
  the 
  lateral 
  ; 
  it 
  is 
  

   broadly 
  black 
  in 
  the 
  middle 
  ; 
  the 
  lateral 
  lobes 
  are 
  broadly 
  

   black 
  down 
  the 
  middle, 
  the 
  black 
  line 
  somewhat 
  abruptly 
  

   narrowed 
  beyond 
  the 
  middle 
  and 
  continued 
  across 
  the 
  

   apex, 
  there 
  being 
  also 
  a 
  broad 
  central 
  line. 
  Scutellum 
  

   and 
  postscutellum, 
  smooth 
  and 
  impunctate. 
  Median 
  

  

  