﻿art. 
  8 
  REVISION 
  OF 
  THE 
  GENUS 
  MICROBRACON 
  MUESEBECK 
  15 
  

  

  56. 
  Second 
  abscissa 
  of 
  discoideus 
  as 
  long 
  as 
  the 
  recurrent 
  vein 
  ; 
  wings 
  somewhat 
  

  

  fuscous, 
  the 
  stigma 
  yellow 
  ; 
  abdomen 
  strongly 
  granular 
  above, 
  the 
  second 
  

   tergite 
  more 
  or 
  less 
  rugulose; 
  suturiform 
  articulation 
  rather 
  broad, 
  

   foveolate, 
  and 
  somewhat 
  arcuate, 
  the 
  second 
  tergite 
  somewhat 
  emarginate 
  

   behind; 
  flagellar 
  segments 
  of 
  antennae 
  rather 
  stout, 
  most 
  «jf 
  them 
  only 
  

   a 
  little 
  longer 
  than 
  broad; 
  malar 
  space 
  about 
  as 
  long 
  as 
  first 
  flagellar 
  

  

  segment 
  53. 
  mellitor 
  (Say). 
  

  

  Second 
  abscissa 
  of 
  discoideus 
  not 
  as 
  long 
  as 
  the 
  recurrent 
  vein 
  ; 
  otherwise 
  

   not 
  agreeing 
  completely 
  with 
  the 
  above 
  57. 
  

  

  57. 
  Propodeura 
  finely 
  punctate 
  or 
  granular 
  over 
  its 
  posterior 
  half, 
  and 
  with 
  

  

  a 
  median 
  carina 
  posteriorly 
  ; 
  abdomen 
  granular 
  on 
  the 
  second 
  to 
  sixth 
  

   tergites, 
  the 
  second 
  usually 
  with 
  an 
  irregularly 
  rugose 
  area 
  on 
  basal 
  mid- 
  

   dle; 
  segments 
  of 
  the 
  antennal 
  flagellum 
  mostly 
  but 
  very 
  little 
  longer 
  than 
  

  

  broad 
  54. 
  nigropectus 
  (Provancher). 
  

  

  Propodeum 
  not 
  punctate 
  over 
  posterior 
  half, 
  although 
  usually 
  with 
  a 
  short 
  

   median 
  ridge 
  posteriorly 
  and 
  a 
  few 
  lateral 
  ridges 
  diverging 
  from 
  this_ 
  58. 
  

  

  58. 
  Transverse 
  diameter 
  of 
  the 
  opening 
  between 
  clypeus 
  and 
  mandibles 
  scarcely 
  

  

  greater 
  than 
  the 
  distance 
  between 
  this 
  opening 
  and 
  the 
  eye 
  ; 
  malar 
  space 
  

   as 
  long, 
  or 
  nearly, 
  as 
  first 
  segment 
  of 
  antennal 
  flagellum; 
  ovipositor 
  

   sheaths 
  very 
  slender, 
  but 
  broadening 
  rather 
  conspicuously 
  near 
  tip. 
  

  

  55. 
  furtivus 
  (Fyles). 
  

  

  Transverse 
  diameter 
  of 
  the 
  opening 
  between 
  clypeus 
  and 
  mandibles 
  much 
  

  

  greater 
  than 
  the 
  distance 
  between 
  this 
  opening 
  and 
  the 
  eye 
  ; 
  malar 
  space 
  

  

  much 
  shorter 
  than 
  first 
  segment 
  of 
  antennal 
  flagellum 
  59. 
  

  

  59. 
  Ovipositor 
  sheaths 
  very 
  nearly 
  as 
  long 
  as 
  the 
  entire 
  body; 
  face 
  usually 
  

  

  blackish; 
  abdomen 
  usually 
  mostly 
  black 
  56. 
  tachypteri, 
  new 
  species. 
  

  

  Ovipositor 
  sheaths 
  about 
  as 
  long 
  as 
  the 
  abdomen; 
  face 
  yellow; 
  abdomen 
  

   usually 
  mostly 
  yellow 
  60. 
  

  

  60. 
  Second 
  abdominal 
  tergite 
  usually 
  with 
  a 
  shining 
  irregularly 
  rugose 
  area 
  

  

  on 
  basal 
  middle 
  ; 
  third 
  and 
  following 
  tergites 
  granular 
  ; 
  abdomen 
  

   rather 
  broad-oval 
  ; 
  first 
  and 
  second 
  segments 
  of 
  antennal 
  flagellum 
  usually 
  

   about 
  equal 
  and 
  usually 
  twice 
  as 
  long 
  as 
  thick, 
  the 
  apical 
  segments 
  of 
  

   flagellum 
  slender, 
  usually 
  twice 
  as 
  long 
  as 
  thick 
  ; 
  first 
  abdominal 
  tergite, 
  

   a 
  median 
  spot 
  at 
  base 
  of 
  second 
  and 
  more 
  or 
  less 
  of 
  the 
  apical 
  tergites 
  

  

  usually 
  blackish 
  57. 
  variabilis 
  (Provancher). 
  

  

  Second 
  abdominal 
  tergite 
  not 
  as 
  above 
  ; 
  the 
  tergites 
  beyond 
  third 
  usually 
  

   not 
  granular, 
  very 
  faintly 
  sculptured 
  and 
  shining; 
  first 
  segment 
  of 
  

   antennal 
  flagellum 
  usually 
  decidedly 
  longer 
  than 
  second, 
  the 
  second 
  not 
  

   twice 
  as 
  long 
  as 
  thick 
  ; 
  most 
  of 
  the 
  flagellar 
  segments 
  beyond 
  second 
  

   but 
  very 
  little 
  longer 
  than 
  broad, 
  the 
  apical 
  segments 
  stout; 
  abdomen 
  

   usually 
  entirely 
  yellow 
  5S. 
  sanninoideae 
  Gahan. 
  

  

  61. 
  Segments 
  of 
  antennal 
  flagellum 
  very 
  stout, 
  beyond 
  the 
  first 
  scarcely 
  as 
  

  

  long 
  as 
  broad 
  ; 
  second 
  abdominal 
  tergite 
  very 
  finely 
  punctate, 
  the 
  fol- 
  

   lowing 
  tergites 
  exceedingly 
  faintly 
  sculptured 
  and 
  strongly 
  shining; 
  

  

  propodeum 
  finely 
  punctate 
  on 
  posterior 
  half 
  59. 
  hobomok 
  Viereck. 
  

  

  Segments 
  of 
  antennal 
  flagellum 
  not 
  so 
  stout 
  62. 
  

  

  62. 
  Malar 
  space 
  as 
  long 
  as 
  first 
  segment 
  of 
  antennal 
  flagellum 
  ; 
  transverse 
  

  

  diameter 
  of 
  opening 
  between 
  clypeus 
  and 
  mandibles 
  scarcely 
  greater 
  than 
  

   distance 
  from 
  this 
  opening 
  to 
  the 
  eye 
  ; 
  stigma, 
  including 
  its 
  costal 
  margin 
  

   largely 
  yellow, 
  brown 
  at 
  apex 
  ; 
  second 
  abscissa 
  of 
  radius 
  much 
  more 
  

   than 
  twice 
  the 
  first 
  ; 
  propodeum 
  usually 
  minutely 
  punctate 
  or 
  reticulate 
  

  

  