﻿WASPS 
  OF 
  GENUS 
  TRIMORUS 
  FOUTS 
  121 
  

  

  long 
  as 
  the 
  body, 
  filiform, 
  the 
  joints 
  becoming 
  gradually 
  thinner 
  

   toward 
  the 
  apex; 
  scape 
  four 
  times 
  as 
  long 
  as 
  thick, 
  five 
  times 
  as 
  long 
  

   as 
  the 
  pedicel, 
  1.4 
  times 
  as 
  long 
  as 
  the 
  third 
  joint, 
  1.2 
  times 
  as 
  long 
  

   as 
  the 
  fourth, 
  1.1 
  times 
  as 
  long 
  as 
  the 
  fifth, 
  1.2 
  times 
  as 
  long 
  as 
  the 
  

   twelfth; 
  fifth 
  joint 
  1.2 
  times 
  as 
  long 
  as 
  the 
  eleventh; 
  last 
  joint 
  about 
  

   seven 
  times 
  as 
  long 
  as 
  thick, 
  acuminate; 
  thorax 
  1.1 
  times 
  as 
  long 
  as 
  

   wide, 
  strongly 
  convex 
  above; 
  mesonotum 
  thickly 
  covered 
  with 
  large 
  

   punctures 
  which 
  are 
  less 
  than 
  their 
  diameter 
  apart, 
  with 
  a 
  few 
  wrinkles 
  

   anteriorly; 
  laterally 
  the 
  punctures 
  are 
  larger, 
  forming 
  a 
  coarse 
  reticu- 
  

   lation; 
  parapsidal 
  grooves 
  present 
  as 
  short 
  deep 
  grooves; 
  scutellum 
  

   coarsely 
  reticulate 
  anteriorly, 
  smooth 
  and 
  polished 
  posteriorly; 
  

   metanotal 
  spine 
  acuminate, 
  gradually 
  narrowed 
  toward 
  base, 
  about 
  

   as 
  long 
  as 
  the 
  scutellum, 
  extending 
  at 
  right 
  angle 
  to 
  the 
  surface 
  of 
  the 
  

   propodeum; 
  lateral 
  angles 
  of 
  propodeum 
  prominent, 
  subacute; 
  wings 
  

   three 
  times 
  as 
  long 
  as 
  wide, 
  hyaline, 
  extending 
  half 
  the 
  length 
  of 
  the 
  

   abdomen 
  past 
  the 
  latter's 
  apex; 
  abdomen 
  ovate, 
  broadly 
  rounded 
  

   posteriorly, 
  1.8 
  times 
  as 
  long 
  as 
  wide; 
  petiole 
  1.2 
  times 
  as 
  long 
  as 
  

   wide, 
  with 
  numerous 
  longitudinal 
  ridges 
  which 
  extend 
  only 
  part 
  way 
  

   up 
  on 
  the 
  broadly 
  reflexed 
  anterior 
  margin; 
  second 
  tergite 
  1.2 
  times 
  

   as 
  wide 
  as 
  long, 
  scarcely 
  longer 
  than 
  the 
  petiole, 
  with 
  many 
  slightly 
  

   diverging 
  ridges 
  of 
  equal 
  length 
  extending 
  to 
  apical 
  fifth 
  ; 
  third 
  tergite 
  

   1.4 
  times 
  as 
  wide 
  as 
  long, 
  1.8 
  times 
  as 
  long 
  as 
  the 
  second, 
  strongly 
  

   striate 
  medially 
  on 
  basal 
  half, 
  less 
  sU'ongly 
  striate 
  laterally 
  on 
  basal 
  

   half, 
  with 
  a 
  few 
  scattered 
  punctures, 
  those 
  toward 
  the 
  front 
  somewhat 
  

   larger 
  and 
  deeper; 
  the 
  striae 
  really 
  extend 
  a 
  little 
  way 
  past 
  the 
  middle 
  

   of 
  the 
  third 
  tergite 
  but 
  they 
  are, 
  beyond 
  this 
  point, 
  shallow, 
  not 
  

   sharply 
  indicated; 
  a 
  broad 
  area 
  along 
  the 
  lateral 
  margin 
  is 
  sparsely 
  

   punctate, 
  without 
  striae; 
  scape 
  and 
  pedicel 
  yellowish 
  brown; 
  mandi- 
  

   bles 
  red; 
  thorax 
  reddish, 
  the 
  scutellum 
  and 
  the 
  mesonotum 
  (except 
  

   laterally 
  and 
  posteriorly) 
  black; 
  mesopleuron 
  above 
  and 
  metapleuron 
  

   mostly 
  black; 
  abdomen 
  black, 
  the 
  petiole 
  and 
  base 
  of 
  second 
  tergite 
  

   red; 
  legs 
  entirely 
  light 
  yellowish 
  brown. 
  

  

  Type 
  locality: 
  — 
  Cabin 
  John, 
  Md. 
  

  

  T7/;>6.— 
  U.S.N.M. 
  No. 
  57793. 
  

  

  One 
  specimen 
  collected 
  July 
  30, 
  1924, 
  by 
  the 
  author. 
  

  

  (32) 
  TRIMORUS 
  MARYLANDICUS 
  (Ashinead) 
  

  

  Prosacantha 
  marylandica 
  Ashmead, 
  U. 
  S. 
  Nat. 
  Mus. 
  Bull. 
  45, 
  p. 
  193, 
  1893. 
  — 
  

   Brues, 
  Genera 
  insectorum, 
  fasc. 
  80, 
  p. 
  22, 
  1908; 
  Connecticut 
  Nat. 
  Hist. 
  

   Surv. 
  Bull. 
  22, 
  p. 
  552, 
  1916. 
  

  

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

   Das 
  Tierreich, 
  Lief. 
  48, 
  p. 
  232, 
  1926. 
  

  

  Female.— 
  LiQTigih 
  2.41 
  mm. 
  Head 
  as 
  wide 
  as 
  the 
  thorax; 
  frons 
  with 
  

   a'^fine 
  median 
  carina 
  to 
  anterior 
  ocellus; 
  lower 
  half 
  of 
  frons 
  polished, 
  

   impunctate, 
  upper 
  half 
  with 
  numerous, 
  moderately 
  large, 
  shallow 
  

  

  