﻿20 
  PROCEEDINGS 
  OF 
  THE 
  NATIONAL, 
  MUSEUM 
  vol.67 
  

  

  94. 
  Third 
  abscissa 
  of 
  radius 
  shorter 
  than 
  last 
  abscissa 
  of 
  cubitus 
  and 
  not 
  

  

  distinctly 
  as 
  long 
  as 
  first 
  and 
  second 
  abscissae 
  of 
  radius 
  combined 
  ; 
  

   flagellar 
  segments 
  of 
  antennae 
  mostly 
  not 
  longer 
  than 
  broad; 
  posterior 
  

  

  tibiae 
  dusky 
  only 
  at 
  apex 
  _• 
  38. 
  nevadensis 
  (Ashmead). 
  

  

  Third 
  abscissa 
  of 
  radius 
  as 
  long 
  as 
  last 
  abscissa 
  of 
  cubitus 
  and 
  fully 
  as 
  

   long 
  as 
  the 
  first 
  and 
  second 
  abscissae 
  of 
  radius 
  combined 
  ; 
  all 
  flagellar 
  

   segments 
  of 
  antennae 
  a 
  little 
  longer 
  than 
  broad 
  ; 
  posterior 
  tibiae 
  wholly 
  

   black 
  37. 
  sesiae, 
  new 
  species. 
  

  

  95. 
  Propodeum 
  with 
  a 
  prominent 
  stub 
  of 
  a 
  median 
  ridge 
  on 
  its 
  posterior 
  third 
  ; 
  

  

  first 
  abscissa 
  of 
  radius 
  not 
  as 
  long 
  as 
  the 
  side 
  of 
  stigma 
  bordering 
  first 
  

  

  cubital 
  cell 
  3G. 
  pini, 
  new 
  species. 
  

  

  Propodeum 
  without 
  a 
  distinct 
  stub 
  of 
  a 
  median 
  carina 
  extending 
  one- 
  

   third 
  the 
  distance 
  toward 
  base 
  ; 
  first 
  abscissa 
  of 
  radius 
  as 
  long" 
  as 
  the 
  

   side 
  of 
  stigma 
  bordering 
  first 
  cubital 
  cell 
  35. 
  tychii, 
  new 
  species. 
  

  

  96. 
  Second 
  abdominal 
  tergite 
  almost 
  smooth, 
  strongly 
  shining 
  and 
  provided 
  

  

  with 
  two 
  distinct 
  short 
  furrows 
  that 
  set 
  off 
  a 
  basal 
  median 
  area 
  and 
  

   usually 
  with 
  two 
  longitudinal 
  furrows 
  laterally 
  ; 
  third, 
  fourth, 
  and 
  fifth 
  

   tergites 
  granular 
  ; 
  antennae 
  shorter 
  than 
  the 
  body, 
  usually 
  20 
  to 
  24-seg- 
  

   mented 
  ; 
  radius 
  arising 
  much 
  before 
  middle 
  of 
  stigma 
  ; 
  posterior 
  coxae 
  

  

  strongly 
  infuscated 
  39. 
  thurberiphagae, 
  new 
  species. 
  

  

  Not 
  agreeing 
  entirely 
  with 
  the 
  above 
  97. 
  

  

  97. 
  Antennae 
  very 
  slender, 
  usually 
  22 
  to 
  29-segmented, 
  all 
  of 
  the 
  flagellar 
  

  

  segments 
  fully 
  twice 
  as 
  long 
  as 
  thick, 
  the 
  basal 
  segments 
  not 
  thicker 
  

   than 
  the 
  apical 
  segments, 
  the 
  antennae 
  not 
  tapering 
  toward 
  tip 
  ; 
  wings 
  

   perfectly 
  clear 
  hyaline 
  ; 
  stigma 
  long 
  ; 
  radius 
  arising 
  much 
  before 
  its 
  

  

  middle; 
  propodeum 
  smooth 
  and 
  polished 
  98. 
  

  

  Antennae 
  not 
  as 
  above; 
  at 
  least 
  not 
  that 
  combination 
  of 
  characters 
  100. 
  

  

  98. 
  Abdomen 
  very 
  delicately 
  sculptured, 
  smooth 
  laterally 
  ; 
  antennae 
  usually 
  

  

  22 
  to 
  24-segmented 
  ; 
  abdomen 
  usually 
  yellow. 
  

  

  40. 
  pityophthori, 
  new 
  species. 
  

  

  Abdomen 
  coarsely 
  sculptured 
  ; 
  suturiform 
  articulation 
  very 
  broad, 
  foveo- 
  

  

  late 
  ; 
  antennae 
  usually 
  26 
  to 
  29-segmented 
  ; 
  abdomen 
  mostly 
  black 
  

  

  above 
  99. 
  

  

  99. 
  Abdomen, 
  especially 
  second 
  tergite, 
  strongly 
  longitudinally 
  rugose, 
  the 
  

  

  second 
  tergite 
  usually 
  with 
  a 
  complete 
  median 
  longitudinal 
  raised 
  line 
  ; 
  

   parapsidal 
  grooves 
  rather 
  thickly 
  hairy 
  anteriorly 
  as 
  well 
  as 
  posteriorly; 
  

   abdomen 
  black 
  above, 
  more 
  or 
  less 
  yellow 
  medially 
  on 
  third, 
  fourth, 
  and 
  

  

  fifth 
  tergites 
  41. 
  laemosacci, 
  new 
  species. 
  

  

  Abdomen 
  coarsely 
  granular; 
  parapsidal 
  grooves 
  not 
  thickly 
  hairy 
  ante- 
  

   riorly 
  ; 
  abdomen 
  blackish 
  above, 
  yellow 
  laterally- 
  42. 
  metacomet 
  Viereck. 
  

  

  100. 
  Wings 
  long, 
  unifoi-mly 
  infuscated 
  to 
  apex, 
  the 
  wing 
  membrane 
  abnormally 
  

  

  thickly 
  hairy 
  over 
  its 
  entire 
  surface 
  ; 
  cubitus 
  and 
  subdiscoideus 
  nearly 
  

   parallel, 
  the 
  second 
  discoidal 
  cell 
  scarcely 
  broadening 
  apically 
  ; 
  radial 
  

   cell 
  exceptionally 
  long, 
  radius 
  going 
  to 
  extreme 
  apex 
  of 
  wing; 
  pro- 
  

   podeum 
  entirely 
  finely 
  rugulose 
  ; 
  antennae 
  slender 
  and 
  more 
  than 
  40- 
  

  

  segmented 
  43. 
  atricollis 
  (Ashmead). 
  

  

  Wings 
  not 
  agreeing 
  with 
  the 
  above 
  characterization 
  101. 
  

  

  101. 
  All 
  coxae 
  and 
  trochanters 
  black 
  ; 
  more 
  or 
  less 
  of 
  remainder 
  of 
  legs, 
  

  

  especially 
  posterior 
  tibiae, 
  blackish 
  ; 
  head, 
  including 
  face, 
  deep 
  black 
  ; 
  

   wings 
  strongly 
  infuscated 
  ; 
  thorax 
  black 
  ; 
  abdomen 
  usually 
  more 
  or 
  less 
  

  

  red 
  4S. 
  hemimenae 
  Rohwer. 
  

  

  Coxae 
  yellow, 
  rarely 
  a 
  little 
  infuscated 
  ; 
  face 
  very 
  rarely 
  brownish- 
  

   black 
  102 
  

  

  