﻿WASPS 
  OF 
  GENUS 
  TRIMORUS 
  — 
  FOUTS 
  111 
  

  

  thorax 
  1.2 
  times 
  as 
  wide 
  as 
  long, 
  strongly 
  convex 
  above; 
  parapsidal 
  

   grooves 
  on 
  posterior 
  half 
  of 
  mesonotum; 
  mesonotiim 
  with 
  fine 
  scaly 
  

   reticulation, 
  thickly 
  pubescent, 
  shining; 
  scuteilum 
  smooth, 
  with 
  

   indistinct 
  sculpture, 
  pubescent; 
  metanotal 
  spine 
  about 
  half 
  as 
  long 
  

   as 
  the 
  scuteilum, 
  triangular 
  seen 
  from 
  above, 
  acute 
  apically; 
  abdomen 
  

   1.4 
  times 
  as 
  long 
  as 
  wide, 
  ovate, 
  rounded 
  posteriorly; 
  petiole 
  1.7 
  

   times 
  as 
  wide 
  as 
  long, 
  with 
  numerous 
  longitudinal 
  ridges 
  extending 
  

   its 
  entire 
  length, 
  with 
  a 
  narrow 
  depressed 
  rim 
  along 
  the 
  anterior 
  

   margin, 
  without 
  a 
  depression 
  across 
  the 
  middle; 
  second 
  tergite 
  twice 
  

   as 
  wide 
  as 
  long, 
  1.6 
  times 
  as 
  long 
  as 
  the 
  petiole, 
  with 
  a 
  few 
  parallel 
  or 
  

   slightly 
  diverging 
  ridges 
  medially 
  to 
  posterior 
  fourth; 
  ridges 
  are 
  

   present 
  laterally 
  but 
  become 
  progressively 
  shorter 
  toward 
  the 
  margin; 
  

   second 
  tergite 
  reticulate 
  laterally 
  behind 
  the 
  ridges; 
  third 
  tergite 
  1.5 
  

   times 
  as 
  wide 
  as 
  long, 
  2.4 
  times 
  as 
  long 
  as 
  the 
  second, 
  evenly 
  pubescent, 
  

   smoothly 
  reticulate, 
  shining; 
  wings 
  short, 
  extending 
  to 
  the 
  apex 
  of 
  

   the 
  propodeum; 
  black; 
  legs 
  dark 
  brown, 
  the 
  tarsi 
  and 
  the 
  tibiae 
  

   proximally 
  reddish 
  brown; 
  last 
  joint 
  of 
  each 
  tarsus 
  dark 
  brown. 
  

  

  Type 
  locality. 
  — 
  Chilliwack, 
  British 
  Columbia. 
  

  

  Type.—U.S.^M. 
  No. 
  57782. 
  

  

  Two 
  specimens 
  collected 
  by 
  Oscar 
  ^Tiittaker 
  on 
  April 
  23 
  and 
  May 
  

   20, 
  1926. 
  

  

  Paratype 
  in 
  Oscar 
  Whittaker 
  collection. 
  

  

  (17) 
  TRIMORUS 
  PALLIDIPES 
  (Aslimead) 
  

  

  Xenomerus 
  pallidipes 
  Ashmead, 
  U. 
  S. 
  Nat. 
  Mus. 
  Bull. 
  45, 
  p. 
  184, 
  1893 
  (female). 
  — 
  

  

  Brues, 
  Genera 
  insectonim, 
  fasc. 
  80, 
  p. 
  22, 
  1908. 
  

   Trimorus 
  pallidipes 
  Kieffer, 
  Andr6, 
  Species 
  des 
  hyin^nopteres 
  d'Europe 
  et 
  

  

  d'Alg^rie, 
  vol. 
  11, 
  p. 
  110, 
  1912.— 
  Kieffer, 
  Das 
  1'ierreich, 
  Lief. 
  48, 
  p. 
  180, 
  

  

  1926 
  (female). 
  

  

  Female. 
  — 
  Antennae, 
  except 
  three 
  proximal 
  joints 
  of 
  one, 
  are 
  lost. 
  

   Mesonotum 
  striatopunctate, 
  rugose 
  anteriorly. 
  Scuteilum 
  smooth, 
  

   flattened, 
  slightly 
  roughened 
  at 
  anterior 
  margin. 
  Parapsidal 
  grooves 
  

   distinct, 
  complete. 
  

  

  Type 
  locality. 
  — 
  Arlington, 
  Va. 
  

  

  TyjM.—V.S.^.M. 
  No. 
  24493. 
  

  

  Ashmead's 
  type 
  was 
  examined 
  by 
  the 
  author 
  in 
  1927 
  and 
  the 
  pre- 
  

   ceding 
  brief 
  description 
  made 
  of 
  it. 
  

  

  (18) 
  TRIMORUS 
  STRIOPUNCTATUS. 
  new 
  species 
  

  

  Female. 
  — 
  Length 
  2.36 
  mm. 
  Head 
  about 
  twice 
  as 
  wide 
  as 
  long, 
  

   about 
  as 
  wide 
  as 
  the 
  thorax, 
  arcuately 
  concave 
  posteriorly; 
  frons 
  

   smooth, 
  ^.vithout 
  a 
  median 
  carina, 
  without 
  sculpture 
  on 
  upper 
  half 
  

   except 
  some 
  small 
  scattered 
  punctures; 
  below 
  the 
  frons 
  is 
  strongly 
  

   carinate 
  except 
  for 
  a 
  narrow 
  median 
  area, 
  the 
  carinae 
  extending 
  

   narrowly 
  laterally 
  to 
  top 
  of 
  eye; 
  occiput 
  finely 
  reticulate, 
  aciculate 
  

   medially; 
  cheeks 
  finely 
  striate; 
  thorax 
  about 
  as 
  wide 
  as 
  long, 
  moder- 
  

  

  