﻿art. 
  8 
  REVISION 
  OF 
  THE 
  GENUS 
  MICROBRACON 
  MUESEBECK 
  9 
  

  

  11. 
  Antennae 
  of 
  female 
  13 
  to 
  15-segmented 
  ; 
  of 
  male, 
  IS 
  to 
  23-segmented 
  ; 
  first 
  

  

  flagellar 
  segment 
  of 
  male 
  antennae 
  usually 
  distinctly 
  longer 
  than 
  the 
  

   second, 
  the 
  segments 
  beyond 
  the 
  first 
  but 
  very 
  little 
  longer 
  than 
  broad 
  ; 
  

   abdomen 
  smooth 
  and 
  shining, 
  rarely 
  distinctly 
  punctate. 
  

  

  11. 
  hebetor 
  (Say). 
  

   Antennae 
  of 
  female 
  17 
  to 
  19-segmented, 
  very 
  rarely 
  16-segmented 
  ; 
  of 
  male, 
  

   20 
  to 
  27-segmented, 
  the 
  first 
  flagellar 
  segment 
  of 
  male 
  antennae 
  usually 
  

   not 
  distinctly 
  longer 
  than 
  the 
  second, 
  the 
  segments 
  beyond 
  the 
  first 
  one 
  

   and 
  one-half 
  times 
  as 
  long 
  as 
  broad 
  ; 
  3d, 
  4th, 
  and 
  5th 
  abdominal 
  tergites 
  

   nearly 
  always 
  distinctly 
  punctate 
  12. 
  brevicornis 
  (Wesmael). 
  

  

  12. 
  Stigma 
  long 
  and 
  narrow, 
  the 
  radius 
  arising 
  distinctly 
  behind 
  its 
  middle 
  ; 
  

  

  radial 
  cell 
  short, 
  ending 
  far 
  before 
  apex 
  of 
  wing 
  ; 
  first 
  abscissa 
  of 
  radius 
  

   very 
  short, 
  much 
  less 
  than 
  half 
  the 
  first 
  intercubitus 
  ; 
  abdomen 
  sculp- 
  

   tured 
  above 
  13. 
  

  

  Radius 
  arising 
  at 
  or 
  before 
  middle 
  of 
  stigma 
  14. 
  

  

  13. 
  Propodeum 
  mostly 
  smooth 
  and 
  shining, 
  without 
  a 
  complete 
  median 
  longi- 
  

  

  tudinal 
  carina 
  ; 
  ovipositor 
  sheaths 
  about 
  as 
  long 
  as 
  the 
  abdomen 
  

  

  13. 
  scanticorum 
  Viereck. 
  

  

  Propodeum 
  finely 
  rugulose 
  except 
  at 
  extreme 
  base 
  and 
  provided 
  with 
  a 
  

  

  prominent 
  median 
  longitudinal 
  carina 
  ; 
  ovipositor 
  sheaths 
  about 
  as 
  long 
  

  

  as 
  the 
  abdomen 
  beyond 
  2d 
  tergite 
  "__ 
  14. 
  pyralidiphagus, 
  new 
  species. 
  

  

  14. 
  Females 
  15. 
  

  

  Males 
  09. 
  

  

  15. 
  Dorsum 
  of 
  abdomen 
  mostly 
  smooth 
  and 
  polished, 
  the 
  sculpture 
  when 
  pres- 
  

  

  ent 
  restricted 
  to 
  the 
  three 
  basal 
  tergites, 
  only 
  rarely 
  occurring 
  on 
  the 
  

   third 
  ; 
  the 
  sculpture 
  on 
  second 
  and 
  third 
  tergites 
  when 
  present 
  usually 
  

   in 
  the 
  form 
  of 
  longitudinal 
  striae 
  and 
  usually 
  restricted 
  to 
  the 
  middle 
  

   two-thirds 
  of 
  the 
  tergite 
  ; 
  propodeum 
  mostly 
  or 
  entirely 
  smooth 
  and 
  

   polished 
  ; 
  frons 
  usually 
  smooth 
  and 
  polished, 
  if 
  sculptured, 
  the 
  face 
  and 
  

   coxae 
  are 
  black 
  ; 
  face 
  rarely 
  yellow 
  ; 
  if 
  so, 
  the 
  abdomen, 
  including 
  first 
  

  

  and 
  second 
  tergites, 
  is 
  entirely 
  smooth 
  and 
  polished 
  1Q. 
  

  

  Dorsum 
  of 
  abdomen 
  sculptured, 
  although 
  sometimes 
  very 
  minutely 
  so, 
  over 
  

   most 
  of 
  its 
  surface 
  ; 
  very 
  rarely 
  not 
  distinctly 
  sculptured 
  beyond 
  second 
  

   tergite, 
  but 
  then 
  the 
  latter 
  is 
  entirely 
  finely 
  granular, 
  the 
  frons 
  is 
  finely 
  

   reticulately 
  sculptured 
  and 
  the 
  face 
  and 
  coxae 
  are 
  yellow 
  ; 
  face 
  and 
  

   coxae 
  very 
  rarely 
  black 
  : 
  if 
  so, 
  then 
  abdomen 
  is 
  distinctly 
  sculptured 
  

   over 
  nearly 
  its 
  entire 
  surface 
  39. 
  

  

  16. 
  Ovipositor 
  sheaths 
  protruding 
  at 
  least 
  very 
  nearly 
  the 
  length 
  of 
  the 
  abdomen, 
  

  

  sometimes 
  much 
  longer 
  28. 
  

  

  Ovipositor 
  sheaths 
  protruding 
  not 
  more 
  than 
  half 
  the 
  length 
  of 
  the 
  abdomen 
  

   beyond 
  its 
  apex 
  17. 
  

  

  17. 
  Opening 
  between 
  clypeus 
  and 
  mandibles 
  unusually 
  large, 
  its 
  transverse 
  di- 
  

  

  ameter 
  at 
  least 
  as 
  long 
  as 
  the 
  distance 
  from 
  lower 
  margin 
  of 
  anteunal 
  

   foramina 
  to 
  lower 
  margin 
  of 
  clypeus 
  ; 
  posterior 
  tarsi 
  short 
  and 
  stout, 
  

   much 
  shorter 
  than 
  posterior 
  tibiae; 
  propodeum 
  with 
  a 
  nearly 
  complete 
  

   median 
  longitudinal 
  carina 
  ; 
  at 
  least 
  posterior 
  coxae 
  black 
  ; 
  ovipositor 
  

   sheaths 
  protruding 
  less 
  than 
  the 
  length 
  of 
  the 
  first 
  abdominal 
  tergite— 
  IS. 
  

   Opening 
  between 
  clypeus 
  and 
  mandibles 
  not 
  so 
  large 
  ; 
  posterior 
  tarsi 
  usually 
  

   at 
  least 
  as 
  long 
  as 
  their 
  tibiae 
  ; 
  propodeum 
  very 
  rarely 
  with 
  a 
  nearly 
  

   complete 
  median 
  carina, 
  and 
  then 
  not 
  combining 
  all 
  the 
  above 
  char- 
  

   acters 
  19. 
  

  

  12053—25 
  2 
  

  

  