﻿WASPS 
  OF 
  GENUS 
  TRIMORUS 
  — 
  FOUTS 
  129 
  

  

  (49) 
  TRIMORUS 
  ANNULICORNIS 
  (Ashmcad) 
  

  

  Prosacantha 
  annulicornis 
  Ashmead, 
  U. 
  S. 
  Nat. 
  Mas. 
  Bull. 
  45, 
  p. 
  188, 
  1893 
  (female). 
  

   Hoplogryo7i 
  annulicornis, 
  Kieffer, 
  Genera 
  insectorum, 
  fasc. 
  SOB, 
  p. 
  95, 
  1910; 
  

   Das 
  Tierreich, 
  Lief. 
  48, 
  p. 
  231, 
  1926. 
  

  

  Tyj>e 
  locality.- 
  — 
  Washington, 
  D. 
  C. 
  

   Type.— 
  V.S.N. 
  M. 
  No. 
  2240. 
  

  

  Paratypes 
  in 
  the 
  National 
  Museum 
  and 
  in 
  the 
  collection 
  of 
  the 
  

   American 
  Entomological 
  Society. 
  

  

  (50) 
  TRIMORUS 
  PLEURALIS 
  (Ashinead) 
  

  

  Prosacantha 
  pleuralis 
  Ashmeah, 
  U. 
  S. 
  Nat. 
  Mus. 
  Bull. 
  45, 
  p. 
  195, 
  1893 
  (female). 
  

   Hoplogryon 
  pleuralis, 
  Kieffer, 
  Genera 
  insectorum, 
  fasc. 
  SOB, 
  p. 
  95, 
  1910; 
  Das 
  

   Tierreich, 
  Lief. 
  48, 
  p. 
  231, 
  1926. 
  

  

  Type 
  locality.- 
  — 
  District 
  of 
  Colmnbia. 
  

   Type.— 
  V.S.N. 
  M. 
  No. 
  24509. 
  

   Described 
  from 
  two 
  female 
  specimens. 
  

  

  (51) 
  TRIMORUS 
  SCULPTURATUS, 
  new 
  species 
  

  

  Female. 
  — 
  Length 
  1.73 
  mm. 
  Head 
  about 
  twice 
  as 
  wide 
  as 
  long, 
  as 
  

   wide 
  as 
  the 
  thorax, 
  slightly 
  wider 
  than 
  the 
  abdomen; 
  occiput 
  without 
  

   sculpture 
  except 
  a 
  few 
  short 
  wrinkles 
  behind 
  each 
  lateral 
  ocellus; 
  

   vertex 
  and 
  upper 
  half 
  of 
  frons 
  with 
  small 
  widely 
  scattered 
  punctures 
  ; 
  

   frons 
  without 
  a 
  median 
  carina 
  except 
  just 
  above 
  the 
  antennae, 
  striate 
  

   below 
  and 
  narrowly 
  on 
  the 
  sides 
  up 
  as 
  far 
  as 
  the 
  median 
  ocellus 
  ; 
  thorax 
  

   a 
  little 
  wider 
  than 
  long; 
  parapsidal 
  grooves 
  absent; 
  mesonotum 
  and 
  

   scutellum 
  regularly 
  reticulate, 
  the 
  enclosed 
  areas 
  large 
  and 
  the 
  mar- 
  

   gins 
  high; 
  anteriorly 
  the 
  areas 
  are 
  smaller; 
  spine 
  on 
  metanotum 
  long, 
  

   acute 
  ; 
  spines 
  at 
  lateral 
  angles 
  of 
  propodemn 
  likewise 
  long 
  and 
  acute 
  at 
  

   apices; 
  wings 
  reachmg 
  the 
  apex 
  of 
  the 
  abdomen; 
  abdomen 
  about 
  one 
  

   and 
  three-fourths 
  times 
  as 
  long 
  as 
  wide, 
  1.7 
  times 
  as 
  long 
  as 
  the 
  

   thorax; 
  petiole 
  one 
  and 
  one-third 
  times 
  as 
  long 
  as 
  wide, 
  with 
  a 
  hump- 
  

   like 
  elevation 
  anteriorly, 
  with 
  about 
  ten 
  longitudinal 
  ridges, 
  these 
  

   ridges 
  not 
  traversing 
  the 
  hump 
  just 
  mentioned; 
  second 
  tergite 
  1.4 
  

   times 
  as 
  wide 
  as 
  long, 
  as 
  long 
  as 
  the 
  petiole, 
  with 
  about 
  12 
  longi- 
  

   tudinal 
  ridges 
  extending 
  nearly 
  to 
  the 
  apical 
  margin; 
  some 
  of 
  these 
  

   ridges 
  bifurcate 
  near 
  basal 
  fourth; 
  each 
  of 
  the 
  intervening 
  grooves 
  

   equally 
  wide 
  thi-oughout 
  its 
  length 
  or 
  becoming 
  somewhat 
  wider 
  

   apically 
  ; 
  third 
  tergite 
  one 
  and 
  one-third 
  times 
  as 
  wide 
  as 
  long, 
  two 
  and 
  

   one-fourth 
  times 
  as 
  long 
  as 
  the 
  second, 
  strongly 
  and 
  fairly 
  closely 
  

   punctate, 
  the 
  punctures 
  arranged 
  in 
  more 
  or 
  less 
  definite 
  rows 
  longi- 
  

   tudinally; 
  black; 
  petiole, 
  base 
  of 
  second 
  abdominal 
  segment, 
  and 
  

   thorax 
  on 
  sides, 
  dark 
  reddish 
  brown; 
  legs 
  stramineous; 
  scape 
  light 
  

   brown; 
  mandibles 
  yellow, 
  the 
  teeth 
  reddish. 
  

  

  Type 
  locality.- 
  — 
  Glen 
  Echo, 
  Md. 
  

  

  Type.— 
  V.S.N. 
  M. 
  No. 
  57801. 
  

  

  One 
  specimen 
  collected 
  by 
  the 
  author 
  in 
  July, 
  

  

  