﻿WASPS 
  OF 
  GENUS 
  TRIMORUS 
  — 
  FOUTS 
  99 
  

  

  25. 
  No 
  median 
  carina 
  on 
  upper 
  half 
  of 
  frons; 
  ridges 
  on 
  second 
  tergite 
  nearly 
  

  

  reaching 
  apex 
  of 
  segment 
  (23) 
  distinctus, 
  new 
  species 
  

  

  A 
  sharp 
  median 
  carina 
  to 
  anterior 
  ocellus; 
  ridges 
  medialh' 
  on 
  second 
  tergite 
  

   nut 
  extending 
  past 
  basal 
  two-thirds 
  (24) 
  percurrens, 
  new 
  species 
  

  

  26. 
  Petiole 
  black 
  or 
  faintly 
  reddish 
  brown; 
  coxae 
  black 
  or 
  dark 
  brown 
  27 
  

  

  Petiole 
  and 
  base 
  of 
  second 
  tergite 
  reddish 
  yellow; 
  coxae 
  Ught 
  yellowish 
  

  

  brown 
  (25) 
  minutus, 
  new 
  species 
  

  

  27. 
  Parapsidal 
  grooves 
  not 
  present 
  anteriorly 
  (26) 
  tenuicornis 
  (Kieffer) 
  

  

  Parapsidal 
  grooves 
  complete 
  28 
  

  

  28. 
  Frons 
  with 
  a 
  few 
  short 
  striae 
  immediately 
  below 
  anterior 
  ocellus; 
  wings 
  

  

  brownish; 
  species 
  larger, 
  about 
  1.7 
  mm. 
  in 
  length 
  29 
  

  

  Frons 
  without 
  striae 
  below 
  anterior 
  ocellus; 
  wings 
  hyaline; 
  species 
  smaller, 
  

   about 
  1.0 
  mm. 
  in 
  length 
  30 
  

  

  29. 
  Mesonotum 
  not 
  roughened 
  (except 
  posteriorly 
  where 
  it 
  is 
  irregularly 
  striate), 
  

  

  reticulate, 
  the 
  areas 
  very 
  minute; 
  scutellum 
  smooth, 
  with 
  a 
  few 
  scattered 
  

   punctures, 
  with 
  only 
  a 
  few 
  fine 
  scattered 
  hairs. 
  (27) 
  lionotus, 
  new 
  species 
  

   Mesonotum 
  roughened, 
  scaly-punctate, 
  not 
  irregularly 
  striate 
  posteriorly; 
  

   scutellum 
  rather 
  thickly 
  pubescent, 
  scaly-punctate 
  anteriorly. 
  

  

  (28) 
  pictus, 
  new 
  species 
  

  

  30. 
  Mesonotum 
  with 
  a 
  very 
  fine 
  scaly-reticulate 
  sculpture; 
  second 
  tergite 
  with 
  

  

  ridges 
  medially 
  on 
  basal 
  two-thirds 
  (29) 
  improcerus, 
  new 
  species 
  

  

  Mesonotum 
  with 
  similar 
  but 
  stronger 
  sculpture; 
  second 
  tergite 
  with 
  ridges 
  

   medially 
  on 
  basal 
  four-fifths 
  (30) 
  notabilis, 
  new 
  species 
  

  

  31. 
  Third 
  tergite 
  striate 
  or 
  with 
  lovv' 
  ridges, 
  at 
  least 
  in 
  part 
  32 
  

  

  Third 
  tergite 
  not 
  striate 
  and 
  without 
  low 
  ridges 
  50 
  

  

  32. 
  Petiole 
  and 
  thorax 
  (in 
  part) 
  reddish 
  (31) 
  varius, 
  new 
  species 
  

  

  Thorax 
  black 
  or 
  dark 
  brown 
  (dark 
  reddish 
  brown 
  laterally, 
  black 
  above 
  in 
  

  

  flavicoxa) 
  33 
  

  

  33. 
  Posterior 
  coxae 
  light 
  in 
  color 
  34 
  

  

  Posterior 
  coxae 
  black 
  or 
  mostly 
  black 
  45 
  

  

  34. 
  Striae 
  usually 
  strong, 
  extending 
  past 
  middle 
  of 
  third 
  tergite 
  35 
  

  

  Striae 
  not 
  extending 
  past 
  middle 
  of 
  third 
  tergite, 
  or 
  striae 
  few, 
  and, 
  though 
  

  

  extending 
  past 
  middle, 
  very 
  fine 
  and 
  interrupted 
  40 
  

  

  35. 
  Third 
  tergite 
  with 
  numerous 
  large 
  punctures- 
  (32) 
  marylandicus 
  (Ashmead) 
  

   Third 
  tergite 
  not 
  punctate 
  or 
  with 
  only 
  a 
  few 
  small 
  punctures 
  laterally 
  — 
  36 
  

  

  36. 
  Frons 
  with 
  a 
  strong 
  median 
  carina; 
  upper 
  frons 
  striate 
  37 
  

  

  Frons 
  without 
  a 
  median 
  carina 
  or 
  with 
  a 
  short 
  low 
  carina 
  below 
  38 
  

  

  37. 
  Scape 
  brownish 
  basally; 
  striae 
  on 
  frons 
  interrupted 
  medially 
  on 
  each 
  side 
  of 
  

  

  median 
  carina; 
  striae 
  in 
  middle 
  of 
  third 
  tergite 
  shorter, 
  scarcely 
  extending 
  

  

  past 
  middle 
  (33) 
  striatifrons 
  (Ashmead) 
  

  

  Scape 
  black; 
  striae 
  on 
  frons 
  not 
  interrupted 
  medially; 
  all 
  striae 
  on 
  third 
  

   tergite 
  of 
  equal 
  length, 
  nearly 
  attaining 
  apex 
  of 
  segment. 
  

  

  (34) 
  rubripes, 
  new 
  species, 
  rufocoxalis, 
  new 
  variety 
  

  

  38. 
  Frons 
  punctate 
  above; 
  mesonotum 
  posteriorly 
  punctate; 
  metanotal 
  spine 
  

  

  long 
  and 
  sharp; 
  lateral 
  angles 
  of 
  propodeum 
  prominent, 
  acute; 
  striae 
  ou 
  

   third 
  tergite 
  strong 
  and 
  regular, 
  especially 
  medially; 
  petiole 
  black. 
  

  

  (35) 
  kansasensis 
  (Gahan) 
  

  

  Frons 
  without 
  distinct 
  sculpture 
  above; 
  mesonotum 
  posteriorly 
  not 
  punctate; 
  

  

  metanotal 
  spine 
  short, 
  inconspicuous; 
  striae 
  on 
  third 
  tergite 
  not 
  so 
  strong, 
  

  

  more 
  or 
  less 
  irregular 
  and 
  confluent 
  39 
  

  

  39. 
  Mesonotum 
  posteriorly 
  longitudinally 
  striate; 
  petiole 
  yellowish 
  brown, 
  

  

  lighter 
  in 
  color 
  than 
  rest 
  of 
  abdomen 
  (36) 
  striativentris 
  (Ashmead) 
  

  

  Mesonotum 
  reticulate; 
  abdomen 
  mostly 
  reddish 
  brown. 
  

  

  (37) 
  repentinus, 
  new 
  species 
  

  

  