﻿WASPS 
  OF 
  GENUS 
  TRIMORUS 
  — 
  FOUTS 
  

  

  95 
  

  

  size, 
  depth, 
  and 
  number, 
  or 
  without 
  sculpture 
  of 
  any 
  kind, 
  the 
  surface 
  

   smooth 
  and 
  pohshed. 
  Punctures 
  may 
  accompany 
  striation 
  or 
  reticu- 
  

   lation 
  or 
  they 
  may 
  be 
  the 
  only 
  type 
  of 
  sculpture 
  present. 
  Whatever 
  

   the 
  kind 
  or 
  kinds 
  of 
  sculpture 
  present 
  the 
  lateral 
  margins 
  are 
  usually 
  

   broadly 
  and 
  the 
  posterior 
  margin 
  narrowly 
  smooth 
  and 
  polished, 
  

   without 
  sculpture. 
  Pubescence 
  may 
  be 
  evenly 
  distributed 
  over 
  the 
  

   surface 
  of 
  the 
  segment 
  or 
  may 
  be 
  sparser 
  medially. 
  In 
  a 
  number 
  of 
  

   instances 
  pubescence 
  is 
  entirely 
  lacking 
  medially. 
  

  

  There 
  are, 
  of 
  course, 
  a 
  number 
  of 
  other 
  characters 
  more 
  or 
  less 
  of 
  

   value 
  in 
  classifying 
  the 
  species 
  of 
  this 
  genus. 
  The 
  comparative 
  and 
  

   actual 
  length 
  of 
  the 
  front 
  wing, 
  the 
  comparative 
  lengths 
  and 
  widths 
  

   of 
  the 
  head, 
  thorax, 
  abdomen, 
  and 
  antennal 
  joints, 
  and 
  the 
  colors 
  of 
  

   the 
  body 
  and 
  appendages 
  are 
  all 
  characters 
  of 
  importance 
  in 
  certain 
  

   instances. 
  

  

  Figure 
  13. 
  — 
  Structure 
  of 
  Trimorus: 
  Female 
  of 
  Trimorus 
  r.igrtcoxa, 
  new 
  species. 
  Drawn 
  by 
  

  

  Oscar 
  Whittaker. 
  

  

  