﻿WASPS 
  OF 
  GENUS 
  TRIMORUS 
  FOUTS 
  123 
  

  

  third 
  joint 
  about 
  four 
  times 
  as 
  long 
  as 
  thick, 
  a 
  httle 
  more 
  than 
  one 
  

   and 
  one-tenth 
  times 
  as 
  long 
  as 
  the 
  fourth, 
  about 
  one 
  and 
  one-fourth 
  

   times 
  as 
  long 
  as 
  the 
  fifth; 
  fifth 
  joint 
  about 
  three 
  times 
  as 
  long 
  as 
  

   thick, 
  the 
  oblique 
  excision 
  reaching 
  nearly 
  to 
  the 
  basal 
  two-fifths 
  of 
  the 
  

   joint; 
  following 
  joints 
  becoming 
  gradually 
  thinner; 
  last 
  joint 
  about 
  

   five 
  times 
  as 
  long 
  as 
  thick, 
  acute 
  at 
  apex, 
  a 
  little 
  shorter 
  than 
  the 
  

   third; 
  mesonotum 
  strongly 
  confluently 
  punctate 
  anteriorly, 
  shallowly 
  

   umbilicately 
  punctate 
  medially, 
  rugosostriate 
  posteriorly; 
  parapsidal 
  

   grooves 
  briefly, 
  indistinctly 
  indicated 
  posteriorly; 
  scutellum 
  shallowly 
  

   umbilicately 
  punctate 
  (like 
  the 
  mesonotum 
  medially) 
  ; 
  spine 
  of 
  meta- 
  

   notum 
  long, 
  acute, 
  extending 
  as 
  far 
  posteriorly 
  as 
  the 
  base 
  of 
  the 
  

   petiole; 
  wings 
  brownish, 
  extending 
  a 
  little 
  past 
  the 
  apex 
  of 
  the 
  abdo- 
  

   men; 
  abdomen 
  about 
  one 
  and 
  two-fifths 
  times 
  as 
  long 
  as 
  the 
  head 
  and 
  

   thorax 
  combined, 
  about 
  two 
  and 
  two-fifths 
  times 
  as 
  long 
  as 
  wide, 
  

   seen 
  from 
  above 
  elongate 
  ovate 
  in 
  shape; 
  petiole 
  a 
  little 
  less 
  than 
  one 
  

   and 
  one-half 
  times 
  as 
  long 
  as 
  wide, 
  with 
  strong 
  longitudinal 
  carinae 
  

   from 
  base 
  to 
  apex; 
  second 
  tergite 
  one 
  and 
  three-tenths 
  times 
  as 
  long 
  

   as 
  wide, 
  as 
  wide 
  as 
  the 
  petiole 
  is 
  long, 
  carinate 
  like 
  the 
  petiole; 
  third 
  

   tergite 
  one 
  and 
  one-fourth 
  times 
  as 
  wide 
  as 
  long, 
  one 
  and 
  two-fifths 
  

   times 
  as 
  long 
  as 
  the 
  second, 
  carinate 
  like 
  the 
  first 
  and 
  second 
  tergites 
  

   nearly 
  to 
  the 
  apex, 
  the 
  median 
  carinae 
  not 
  quite 
  as 
  long 
  as 
  those 
  to 
  

   either 
  side; 
  laterally 
  the 
  tergite 
  has 
  a 
  few 
  small 
  punctures; 
  third 
  

   tergite 
  rather 
  sparsely 
  pubescent 
  laterally; 
  following 
  tergites 
  with 
  fine 
  

   impressed 
  reticulation 
  except 
  along 
  the 
  posterior 
  margin 
  of 
  each 
  one, 
  

   all 
  of 
  them 
  with 
  long 
  white 
  hairs, 
  thicker 
  laterally; 
  third 
  sternite 
  

   strongly 
  striate; 
  black; 
  scape 
  on 
  proximal 
  half 
  dark 
  rufous; 
  coxae 
  

   black 
  except 
  at 
  apices 
  where 
  they 
  are 
  reddish 
  brown; 
  legs, 
  except 
  the 
  

   terminal 
  joint 
  of 
  each 
  tarsus 
  which 
  is 
  fuscous, 
  reddish 
  brown; 
  mandi- 
  

   bles 
  yellowish 
  brown, 
  the 
  tips 
  reddish. 
  

  

  Tyi)e 
  locality. 
  — 
  Glen 
  Echo, 
  Md. 
  

  

  Tyj)e.—\].S.^M. 
  No. 
  57794. 
  

  

  Three 
  specimens 
  collected 
  hj 
  the 
  author 
  on 
  June 
  5, 
  1921 
  (type), 
  

   and 
  April 
  25, 
  1926. 
  

  

  Para 
  type 
  in 
  Whittaker 
  collection. 
  

  

  Variation. 
  — 
  The 
  two 
  paratj^'pes 
  have 
  the 
  scape 
  dark 
  reddish 
  only 
  

   at 
  extreme 
  base. 
  

  

  TRIMORUS 
  RUBRIPES 
  RUFOCOXALIS, 
  new 
  variety 
  

  

  Male. 
  — 
  Length 
  3.67 
  mm. 
  Similar 
  to 
  var. 
  rubripes 
  except 
  as 
  follows: 
  

   Scape 
  black 
  except 
  at 
  extreme 
  base 
  where 
  it 
  is 
  dark 
  reddish; 
  coxae 
  

   reddish 
  brown 
  like 
  the 
  rest 
  of 
  the 
  legs; 
  posterior 
  coxae 
  darker 
  at 
  bases; 
  

   all 
  carinae 
  on 
  the 
  third 
  tergite 
  equally 
  long. 
  

  

  Type 
  locality. 
  — 
  Glen 
  Echo, 
  Md. 
  

  

  Type.—V.S.lSl.M. 
  No. 
  57795. 
  

  

  One 
  specimen 
  collected 
  by 
  the 
  author. 
  

  

  