﻿WASPS 
  OF 
  GENUS 
  TRIMORUS 
  — 
  FOUTS 
  145 
  

  

  tion; 
  laterally 
  and 
  above 
  the 
  frons 
  is 
  reticulate, 
  below 
  it 
  is 
  striate, 
  

   medially 
  it 
  has 
  a 
  fine 
  carina 
  to 
  anterior 
  ocellus, 
  otherwise 
  smooth, 
  

   without 
  sculpture; 
  mesonotum 
  and 
  scutellum 
  uniformly 
  pubescent, 
  

   the 
  former 
  with 
  a 
  rather 
  fine 
  scaly-reticulate 
  sculpture, 
  the 
  latter 
  

   smooth, 
  with 
  a 
  slightly 
  roughened 
  reticulate 
  sculpture 
  anteriorly; 
  

   parapsidal 
  grooves 
  not 
  present; 
  spine 
  on 
  metanotum 
  short, 
  acute; 
  

   thorax 
  as 
  wide 
  as 
  long; 
  lateral 
  angles 
  of 
  the 
  propodeum 
  about 
  as 
  

   long 
  as 
  the 
  metanotal 
  spine, 
  subacute 
  apically; 
  wings 
  extending 
  a 
  

   little 
  less 
  than 
  a 
  sixth 
  the 
  length 
  of 
  the 
  abdomen 
  past 
  the 
  latter 
  's 
  

   apex, 
  lightly 
  tinged 
  with 
  brown; 
  abdomen 
  nearly 
  one 
  and 
  one-half 
  

   times 
  as 
  long 
  as 
  wide, 
  about 
  one 
  and 
  one-eighth 
  times 
  as 
  wide 
  as 
  

   the 
  head; 
  petiole 
  about 
  1.7 
  times 
  as 
  wide 
  as 
  long, 
  with 
  a 
  distinct 
  but 
  

   not 
  deep 
  transverse 
  constriction, 
  and 
  with 
  grooves 
  which 
  extend 
  from 
  

   its 
  narrow 
  polished 
  posterior 
  margin 
  to 
  its 
  still 
  narrower 
  smooth 
  

   anterior 
  margin; 
  second 
  tergite 
  about 
  twice 
  as 
  wide 
  as 
  long, 
  1.4 
  times 
  

   as 
  long 
  as 
  the 
  petiole, 
  with 
  about 
  ten 
  strong 
  longitudinal 
  ridges 
  to 
  

   posterior 
  fourth, 
  these 
  ridges 
  diverging 
  from 
  one 
  another 
  posteriorly; 
  

   the 
  intervening 
  grooves 
  are 
  broad, 
  with 
  flat, 
  smooth 
  bottoms; 
  third 
  

   tergite 
  1.35 
  times 
  as 
  wide 
  as 
  long, 
  2.8 
  times 
  as 
  long 
  as 
  the 
  second, 
  

   uniformly 
  finely 
  reticulate, 
  the 
  impressions 
  somewhat 
  deeper 
  and 
  

   more 
  strongly 
  indicated 
  anteriorly; 
  black; 
  legs 
  brownish, 
  the 
  femora 
  

   and 
  tibiae 
  in 
  part 
  somewhat 
  darker. 
  

  

  Tyjpe 
  locality. 
  — 
  Sudley, 
  Md. 
  

  

  r^^je.— 
  U.S.N.M. 
  No. 
  57817. 
  

  

  One 
  specimen 
  collected 
  on 
  July 
  5, 
  1925, 
  by 
  the 
  author. 
  

  

  (82) 
  TRIMORUS 
  PERSPICUUS, 
  new 
  species 
  

  

  Female. 
  — 
  Length 
  1.19 
  nmi. 
  Head 
  about 
  twice 
  as 
  wide 
  as 
  long, 
  a 
  

   little 
  wider 
  than 
  the 
  thorax, 
  as 
  wide 
  as 
  the 
  abdomen, 
  rather 
  strongly 
  

   convex 
  anteriorly; 
  frons 
  striate 
  shortly 
  below, 
  with 
  a 
  fine 
  median 
  

   carina 
  from 
  antennae 
  to 
  about 
  the 
  middle, 
  with 
  several 
  small, 
  indis- 
  

   tinct 
  punctures, 
  otherwise 
  without 
  sculpture; 
  occiput 
  reticulate; 
  

   cheeks 
  finely 
  reticulate; 
  thorax 
  a 
  little 
  longer 
  than 
  wide, 
  convex 
  

   dorsally; 
  parapsidal 
  grooves 
  faintly 
  indicated 
  at 
  base 
  of 
  mesonotum; 
  

   mesonotum 
  shining, 
  with 
  a 
  faint 
  reticulate 
  sculpture; 
  scutellum 
  

   smooth, 
  polished, 
  with 
  fine 
  sculpture 
  along 
  the 
  anterior 
  margin; 
  

   wings 
  hyaline, 
  extending 
  about 
  two-fifths 
  the 
  length 
  of 
  the 
  abdomen 
  

   past 
  the 
  latter's 
  apex; 
  abdomen 
  1.4 
  times 
  as 
  long 
  as 
  wide; 
  petiole 
  

   about 
  twice 
  as 
  wide 
  as 
  long, 
  with 
  the 
  anterior 
  edge 
  upturned, 
  with 
  a 
  

   number 
  of 
  longitudinal 
  ridges 
  extending 
  to 
  the 
  anterior 
  margin; 
  second 
  

   tergite 
  twice 
  as 
  wide 
  as 
  long, 
  1.4 
  times 
  as 
  long 
  as 
  the 
  petiole, 
  with 
  

   numerous 
  longitudinal 
  ridges 
  extending 
  medially 
  to 
  posterior 
  fourth; 
  

   the 
  grooves 
  medially 
  on 
  the 
  second 
  tergite 
  become 
  narrower 
  poste- 
  

   riorly, 
  the 
  intervening 
  ridges 
  flattened 
  above, 
  becoming 
  wider 
  behind 
  

  

  