﻿art. 
  8 
  REVISION 
  OF 
  THE 
  GENUS 
  MICROBRACON 
  MUESEBECK 
  57 
  

  

  wing; 
  first 
  abscissa 
  of 
  radius 
  longer 
  than 
  the 
  recurrent; 
  the 
  second 
  

   not 
  or 
  hardly 
  twice 
  as 
  long 
  as 
  the 
  first; 
  the 
  third 
  longer 
  than 
  the 
  

   first 
  and 
  second 
  combined; 
  last 
  abscissa 
  of 
  cubitus 
  longer 
  than 
  the 
  

   preceding 
  abscissa; 
  radiella 
  distinct 
  only 
  at 
  base; 
  abdomen 
  broad- 
  

   oval; 
  first 
  tergite 
  finely 
  rugulose 
  except 
  at 
  extreme 
  base; 
  second 
  

   tergite 
  broadly 
  emarginate 
  behind, 
  strongly 
  longitudinally 
  rugulose, 
  

   with 
  a 
  usually 
  distinct 
  fine 
  raised 
  line 
  down 
  the 
  middle; 
  suturiform 
  

   articulation 
  very 
  broad, 
  coarsely 
  foveolate; 
  third, 
  fourth, 
  fifth, 
  and 
  

   sixth 
  tergites 
  granular, 
  the 
  third 
  more 
  or 
  less 
  longitudinally 
  sculp- 
  

   tured 
  ; 
  ovipositor 
  sheaths 
  very 
  nearly 
  as 
  long 
  as 
  the 
  abdomen. 
  Head 
  

   testaceous, 
  a 
  large 
  median 
  spot 
  on 
  the 
  front 
  and 
  vertex, 
  and 
  the 
  

   occiput 
  black; 
  thorax 
  black, 
  the 
  parapsidal 
  grooves 
  and 
  a 
  large 
  

   spot 
  behind 
  middle 
  lobe 
  of 
  mesoscutum 
  f 
  errugino-testaceous 
  ; 
  legs, 
  

   including 
  all 
  coxae, 
  yellow 
  ; 
  the 
  posterior 
  tibiae 
  at 
  apex 
  and 
  their 
  

   tarsi 
  dusky, 
  wings 
  clear 
  hyaline; 
  abdomen 
  curiously 
  marked: 
  the 
  

   first 
  tergite 
  black, 
  the 
  second 
  mostly 
  black, 
  with 
  two 
  small 
  basal 
  

   spots 
  and 
  the 
  middle 
  of 
  the 
  apical 
  margin 
  reddish-yellow; 
  third, 
  

   fourth, 
  fifth, 
  and 
  sixth 
  tergites 
  black, 
  reddish-yellow 
  medially 
  and 
  

   at 
  the 
  sides. 
  

  

  Male. 
  — 
  Agrees 
  with 
  the 
  female 
  in 
  all 
  essential 
  characters; 
  the 
  an- 
  

   tennae 
  are 
  28-segmented 
  ; 
  the 
  sixth 
  abdominal 
  tergite 
  is 
  smooth 
  and 
  

   polished. 
  

  

  Type.— 
  Cat. 
  No. 
  26666, 
  U.S.N.M. 
  

  

  Type-locality. 
  — 
  Altitude, 
  4,700 
  feet, 
  Superstition 
  Mountains, 
  Ari- 
  

   zona. 
  

  

  Host. 
  — 
  Lasmosaecus, 
  species 
  in 
  Thvrberia. 
  

  

  Described 
  from 
  seven 
  females 
  and 
  sixteen 
  males 
  reared 
  by 
  H. 
  S. 
  

   Barber. 
  The 
  number 
  of 
  segments 
  in 
  the 
  antennae 
  varies 
  in 
  this 
  series 
  

   from 
  26 
  to 
  29. 
  The 
  series 
  is 
  remarkably 
  constant 
  in 
  the 
  striking 
  

   color 
  pattern. 
  

  

  42. 
  MICROBRACON 
  METACOMET 
  Viereck 
  

  

  Microhracon 
  metacomet 
  Viereck, 
  Bull. 
  22, 
  Conn. 
  Geol. 
  and 
  Nat. 
  Hist. 
  Survey, 
  

   1917 
  (1916), 
  pp. 
  206, 
  20S. 
  

  

  Type. 
  — 
  In 
  the 
  State 
  Agricultural 
  Experiment 
  Station, 
  at 
  New 
  

   Haven, 
  Connecticut. 
  

  

  Face 
  and 
  frons 
  finely 
  punctate; 
  antennae 
  broken 
  at 
  tip, 
  25 
  seg- 
  

   ments 
  remaining, 
  very 
  slender, 
  the 
  first 
  flagellar 
  segment 
  nearly 
  

   three 
  times 
  as 
  long 
  as 
  thick, 
  the 
  remainder 
  twice 
  as 
  long 
  as 
  broad; 
  

   thorax 
  smooth 
  and 
  polished; 
  legs 
  slender; 
  first 
  abscissa 
  of 
  radius 
  

   long; 
  the 
  second 
  not 
  distinctly 
  twice 
  the 
  first; 
  the 
  third 
  much 
  

   longer 
  than 
  the 
  first 
  and 
  second 
  abscissae 
  combined; 
  last 
  abscissa 
  

   of 
  cubitus 
  decidedly 
  longer 
  than 
  the 
  preceding 
  abscissa; 
  abdomen 
  

   long, 
  very 
  coarsely 
  granular 
  or 
  rugulose, 
  and 
  nearly 
  as 
  coarsely 
  so 
  

   nn 
  the 
  fifth 
  tergite 
  as 
  on 
  the 
  third: 
  suturiform 
  articulation 
  broad, 
  

  

  