﻿174 
  PROCEEDINGS 
  OF 
  THE 
  NATIONAL 
  MUSEUM 
  vol. 
  95 
  

  

  IS. 
  Propodeum 
  with 
  yellow 
  spots 
  basally 
  uniformis 
  Brues 
  

  

  Propodeum 
  with 
  reddish 
  spots 
  basally 
  rugosa 
  Brull4 
  

  

  19. 
  Middle 
  femur 
  entirely 
  black 
  fusciventris 
  (Cameron) 
  

  

  Middle 
  femur 
  not 
  entirely 
  black 
  20 
  

  

  20. 
  Front 
  femur 
  and 
  usually 
  middle 
  femur 
  black 
  or 
  piceous 
  behind 
  or 
  below 
  21 
  

  

  Front 
  and 
  middle 
  femora 
  entirely 
  red 
  32 
  

  

  21. 
  Propodeai 
  markings 
  each 
  with 
  a 
  narrow, 
  tonguelike 
  forward 
  extensioa 
  

  

  before 
  apophyses 
  1 
  22 
  

  

  Propodeai 
  markings 
  truncate 
  basally 
  23 
  

  

  22. 
  Postpetiole 
  red 
  ; 
  upper 
  margin 
  of 
  pronotum 
  tuberculate 
  on 
  each 
  side 
  anteriorly. 
  

  

  boliviensis 
  Cushman 
  

   Postpetiole 
  piceous; 
  upper 
  margin 
  of 
  pronotum 
  merely 
  carinate 
  anteriorly. 
  

  

  isthmus 
  Cushman 
  

  

  23. 
  Mesosternum 
  white 
  at 
  least 
  along 
  sternaulices 
  24 
  

  

  Mesosternum 
  not 
  at 
  all 
  white 
  2& 
  

  

  24. 
  Hind 
  legs 
  very 
  slender, 
  femur 
  apparently 
  nearly 
  8 
  times 
  as 
  long 
  as 
  deep; 
  

  

  temples 
  in 
  dorsal 
  view 
  very 
  sharply 
  receding 
  and 
  slightly 
  concave. 
  

  

  gracilipes 
  Cushman 
  

   Hind 
  legs 
  stouter, 
  femur 
  apparently 
  not 
  more 
  than 
  6 
  times 
  as 
  long 
  as 
  deep 
  ; 
  

  

  temples 
  flat 
  or 
  weakly 
  convex 
  25 
  

  

  [variegata 
  (Brulle) 
  varieties, 
  nigripes 
  Brull6, 
  and 
  striata 
  Brulle 
  run 
  

   to 
  24 
  but 
  not 
  farther 
  by 
  the 
  descriptions.] 
  

  

  25. 
  Hind 
  femur 
  short, 
  distinctly 
  less 
  than 
  two-thirds 
  as 
  long 
  as 
  tibia 
  ; 
  ovipositor 
  

  

  sheath 
  barely 
  twice 
  as 
  long 
  as 
  first 
  abdominal 
  segment 
  incerta 
  (Cresson) 
  

  

  Hind 
  femur 
  at 
  least 
  two-thirds 
  as 
  long 
  as 
  tibia 
  ; 
  ovipositor 
  sheath 
  distinctly 
  

   more 
  than 
  twice 
  as 
  long 
  as 
  first 
  segment 
  2ft 
  

  

  26. 
  Cheeks 
  fully 
  twice 
  as 
  broad 
  as 
  malar 
  space; 
  temple 
  rather 
  broad, 
  its 
  angle 
  

  

  with 
  the 
  longitudinal 
  axis 
  less 
  than 
  45 
  degrees 
  ; 
  ovipositor 
  sheath 
  much 
  

  

  shorter 
  than 
  abdomen 
  : 
  27 
  

  

  Cheeks 
  much 
  narrower 
  ; 
  temple 
  narrower, 
  its 
  angle 
  with 
  the 
  longitudinal 
  axis 
  

   moi'e 
  than 
  45 
  degrees 
  ; 
  ovipositor 
  sheath 
  nearly 
  or 
  quite 
  as 
  long 
  as 
  

   abdomen 
  28 
  

  

  27. 
  Apophyses 
  short 
  conical 
  ; 
  lobes 
  of 
  mesoscutum 
  strongly 
  convex 
  and 
  sparsely 
  

  

  punctate; 
  postpetiole 
  broader 
  than 
  long, 
  margined 
  with 
  yellow, 
  

  

  genalis 
  Cushman 
  

   Apophyses 
  long; 
  lobes 
  of 
  mesoscutum 
  flattened 
  and 
  densely 
  punctate; 
  post- 
  

   petiole 
  as 
  long 
  as 
  broad, 
  not 
  margined 
  with 
  yellow 
  gracilis 
  Cushman 
  

  

  28. 
  Hypostomal 
  carina 
  distad 
  of 
  occipital 
  carina 
  shorter 
  than 
  malar 
  space 
  ; 
  ovi- 
  

  

  positor 
  slender 
  and 
  of 
  nearly 
  uniform 
  depth 
  except 
  at 
  apex. 
  

  

  tenuiterebrata 
  Cushman 
  

   Hypostomal 
  carina 
  distad 
  of 
  occipital 
  carina 
  as 
  long 
  as 
  malar 
  space, 
  very 
  

   high 
  ; 
  ovipositor 
  stout, 
  much 
  deeper 
  near 
  apex 
  than 
  at 
  base. 
  

  

  excalibur 
  Cushman 
  

  

  29. 
  Head 
  in 
  dorsal 
  view 
  with 
  temples 
  concave 
  and 
  much 
  less 
  than 
  half 
  as 
  long 
  

  

  as 
  short 
  diameter 
  of 
  eye 
  ; 
  scutellum 
  black 
  medially 
  paranensis 
  Cushman 
  

  

  Temples 
  flat 
  and 
  nearly 
  half 
  as 
  long 
  as 
  short 
  diameter 
  of 
  eye 
  ; 
  scutellum 
  

   entirely 
  yellow 
  , 
  30 
  

  

  30. 
  Middle 
  coxa 
  black 
  and 
  yellow 
  ; 
  face 
  entirely 
  yellow 
  atripectus 
  Cushman 
  

  

  Middle 
  coxa 
  red 
  ; 
  face 
  with 
  a 
  black 
  stripe 
  on 
  each 
  side 
  of 
  middle 
  31 
  

  

  31. 
  Ovipositor 
  as 
  long 
  as 
  abdomen 
  and 
  much 
  deeper 
  apically 
  than 
  basally. 
  

  

  platyurus 
  (Brulle) 
  

   Ovipositor 
  much 
  shorter 
  than 
  abdomen 
  and 
  of 
  unifoi'm 
  depth. 
  

  

  maculifrons 
  Cushman 
  

  

  