﻿22 
  PROCEEDINGS 
  OF 
  THE 
  NATIONAL 
  MUSEUM 
  vol.67 
  

  

  111. 
  First 
  abdominal 
  tergite 
  with 
  a 
  foveolate 
  groove 
  just 
  inside 
  the 
  lateral 
  

  

  margins 
  ; 
  abdomen 
  black, 
  with 
  only 
  the 
  suturiform 
  articulation 
  and 
  a 
  

   lateral 
  spot 
  on 
  second 
  tergite 
  yellow 
  ; 
  segments 
  of 
  antennal 
  flagellum 
  all 
  

   a 
  little 
  longer 
  than 
  broad 
  ; 
  posterior 
  coxae 
  more 
  or 
  less 
  inf 
  uscated. 
  

  

  50. 
  papaipemae 
  Gahan. 
  

   First 
  abdominal 
  tergite 
  without 
  a 
  distinct 
  foveolate 
  groove 
  inside 
  lateral 
  

   margins, 
  but 
  with 
  elongate 
  apical 
  lateral 
  pits 
  ; 
  abdomen 
  with 
  second 
  and 
  

   third 
  tergites 
  mostly 
  pale 
  ; 
  most 
  segments 
  of 
  antennal 
  flagellum 
  not 
  dis- 
  

   tinctly 
  longer 
  than 
  broad; 
  all 
  coxae 
  yellow 
  52. 
  nanus 
  (Provancher). 
  

  

  112. 
  Face 
  yellow 
  ; 
  all 
  coxae 
  bright 
  yellow 
  ; 
  abdomen 
  usually 
  mostly 
  yellow 
  113. 
  

  

  Face 
  brownish-black; 
  posterior 
  coxae 
  more 
  or 
  less 
  inf 
  uscated 
  above; 
  

  

  abdomen 
  mostly 
  blackish 
  61. 
  niger 
  (Provancher). 
  

  

  113. 
  Third 
  cubital 
  cell 
  long, 
  the 
  last 
  abscissa 
  of 
  cubitus 
  much 
  longer 
  than 
  the 
  

  

  preceding, 
  the 
  third 
  abscissa 
  of 
  radius 
  considerably 
  longer 
  than 
  the 
  first 
  

   and 
  second 
  abscissae 
  combined 
  ; 
  second 
  abscissa 
  of 
  radius 
  usually 
  not 
  

   twice 
  the 
  first 
  ; 
  abdomen 
  black 
  except 
  the 
  suturiform 
  articulation 
  and 
  

  

  second 
  tergite 
  laterally 
  70. 
  canadensis 
  (Ashmead). 
  

  

  Last 
  abscissa 
  of 
  cubitus 
  not. 
  distinctly 
  longer 
  than 
  the 
  preceding 
  ; 
  third 
  

   abscissa 
  of 
  radius 
  not 
  longer 
  than 
  first 
  and 
  second 
  abscissae 
  combined; 
  

   second 
  abscissa 
  of 
  radius 
  at 
  least 
  twice 
  the 
  first; 
  abdomen 
  mostly 
  

   yellow 
  : 
  114. 
  

  

  114. 
  Propodeum 
  very 
  smooth 
  and 
  polished 
  with 
  only 
  an 
  exceedingly 
  short 
  stub 
  

  

  of 
  a 
  median 
  ridge 
  at 
  apex 
  ; 
  first 
  flagellar 
  segment 
  more 
  than 
  twice 
  as 
  

   long 
  as 
  broad 
  and 
  distinctly 
  longer 
  than 
  the 
  scape 
  ; 
  scape 
  yellow. 
  

  

  46. 
  montowesi 
  Viereck. 
  

  

  Propodeum 
  with 
  a 
  median 
  carina 
  extending 
  nearly 
  half-way 
  to 
  the 
  base; 
  

  

  first 
  flagellar 
  segment 
  of 
  antennae 
  nearly 
  twice 
  as 
  long 
  as 
  broad, 
  but 
  

  

  scarcely 
  as 
  long 
  as 
  the 
  scape; 
  scape 
  black_ 
  62. 
  aequalis 
  (Provancher). 
  

  

  115. 
  Malar 
  space 
  one-third 
  as 
  long 
  as 
  the 
  eye 
  height; 
  ocelli 
  very 
  small, 
  the 
  

  

  ocell-ocular 
  line 
  three 
  times 
  as 
  long 
  as 
  the 
  diameter 
  of 
  an 
  ocellus; 
  

   second 
  abdominal 
  tergite 
  considerably 
  shorter 
  than 
  third; 
  sixth 
  ter- 
  

   gite, 
  as 
  well 
  as 
  all 
  the 
  preceding, 
  sculptured 
  ; 
  propodeum 
  usually 
  with 
  a 
  

   nearly 
  complete 
  median 
  longitudinal 
  carina 
  ; 
  antennae 
  usually 
  33 
  to 
  40- 
  

  

  segmented 
  49. 
  oenotherae, 
  new 
  species 
  

  

  Malar 
  space 
  not 
  nearly 
  one-third 
  the 
  eye-height 
  ; 
  ocell-ocular 
  line 
  not 
  

   three 
  times 
  as 
  long 
  as 
  the 
  diameter 
  of 
  an 
  ocellus 
  ; 
  second 
  abdominal 
  

   tergite 
  usually 
  as 
  long 
  as 
  the 
  third 
  ; 
  sixth 
  tergite 
  practically 
  always 
  

   completely 
  polished 
  116. 
  

  

  116. 
  Distance 
  between 
  clypeal 
  foveae 
  more 
  than 
  twice 
  as 
  long 
  as 
  malar 
  space; 
  

  

  antennae 
  usually 
  24 
  to 
  32-segmented, 
  very 
  rarely 
  with 
  33 
  or 
  34 
  seg- 
  

   ments 
  117. 
  

  

  Distance 
  between 
  clypeal 
  foveae 
  not 
  distinctly 
  twice 
  as 
  long 
  as 
  malar 
  

   space 
  ; 
  or, 
  if 
  apparently 
  as 
  long, 
  then 
  with 
  antennae 
  34 
  to 
  40-segmented 
  ; 
  

   antennae 
  rarely 
  with 
  less 
  than 
  33 
  segments 
  12L 
  

  

  117. 
  Head, 
  including 
  face 
  black 
  or 
  brownish-black 
  118. 
  

  

  Face 
  pale 
  yellow 
  ; 
  frons 
  and 
  vertex 
  mostly 
  yellow 
  119. 
  

  

  118. 
  Thorax 
  and 
  abdomen 
  entirely 
  or 
  mostly 
  yellow 
  ; 
  propodeum 
  impressed, 
  

  

  almost 
  grooved 
  along 
  the 
  median 
  line, 
  with 
  some 
  transverse 
  rugae 
  in 
  

   the 
  depression 
  ; 
  thorax 
  not 
  stout, 
  about 
  twice 
  as 
  long 
  as 
  high, 
  viewed 
  

  

  laterally 
  71. 
  konkapoti 
  Viereck. 
  

  

  Thorax 
  and 
  abdomen 
  mostly 
  black 
  ; 
  propodeum 
  smooth 
  and 
  polished 
  ex- 
  

   cept 
  for 
  a 
  stub 
  of 
  a 
  median 
  ridge 
  at 
  apex, 
  not 
  impressed 
  along 
  the 
  

   median 
  line; 
  thorax 
  stout 
  56. 
  tachypteri, 
  new 
  species 
  

  

  