﻿104 
  PROCEEDINGS 
  OF 
  THE 
  NATIONAL 
  MUSEUM 
  vol. 
  m 
  

  

  (lorsally; 
  petiole 
  about 
  twice 
  as 
  wide 
  as 
  long, 
  with 
  a 
  number 
  of 
  longi- 
  

   tudinal 
  gi'ooves 
  its 
  entire 
  length, 
  v> 
  ith 
  a 
  slight 
  transverse 
  depression 
  

   across 
  middle; 
  second 
  tergite 
  one 
  and 
  one-half 
  times 
  as 
  long 
  as 
  the 
  

   petiole, 
  about 
  1.8 
  times 
  as 
  wide 
  as 
  long, 
  with 
  a 
  number 
  of 
  parallel 
  or 
  

   slightly 
  diverging 
  ridges 
  to 
  posterior 
  third, 
  these 
  ridges 
  subequal 
  in 
  

   length 
  except 
  near 
  the 
  lateral 
  margins 
  of 
  the 
  segment 
  where 
  they 
  are 
  

   much 
  shorter; 
  third 
  tergite 
  2.6 
  times 
  as 
  long 
  as 
  the 
  second, 
  1.5 
  times 
  

   as 
  wide 
  as 
  long, 
  faintly 
  reticulate, 
  sparsely 
  pubescent 
  laterally 
  and 
  

   along 
  the 
  posterior 
  margin; 
  body 
  dark 
  brown; 
  antennae 
  dark 
  brown, 
  

   the 
  scape 
  lighter 
  basally; 
  mandibles 
  yellow, 
  the 
  teeth 
  reddish; 
  legs 
  

   yellow, 
  the 
  femora, 
  tibiae, 
  and 
  tarsi, 
  in 
  part, 
  somewhat 
  darker; 
  

   wings 
  tinged 
  with 
  brown. 
  

  

  Variations. 
  — 
  Body 
  sometimes 
  black; 
  legs 
  sometimes 
  mostly 
  brown- 
  

   ish, 
  but 
  not 
  darkly 
  so; 
  mesonotum 
  in 
  some 
  specimens 
  with 
  the 
  sculp- 
  

   ture 
  more 
  delicate, 
  without 
  wrinkles 
  posteriorly, 
  with 
  the 
  parapsidal 
  

   furrows 
  shorter 
  and 
  shallower; 
  metanotal 
  spine 
  sometimes 
  half 
  as 
  long 
  

   as 
  the 
  scutellum 
  and 
  sometimes 
  very 
  short, 
  a 
  mere 
  tubercle; 
  in 
  several 
  

   specimens 
  the 
  ridges 
  on 
  the 
  second 
  tergite 
  are 
  only 
  half 
  as 
  long 
  as 
  the 
  

   segment 
  and 
  the 
  intervening 
  grooves 
  are 
  deeper; 
  the 
  anterior 
  wings 
  

   may 
  extend 
  to 
  the 
  apex 
  of 
  the 
  thu'd 
  tergite 
  or 
  scarcely 
  extend 
  past 
  

   its 
  base. 
  

  

  TyjJe 
  locality. 
  — 
  Ottawa, 
  Canada. 
  

  

  Ty^e.— 
  U.S.N.M. 
  No. 
  2244. 
  

  

  The 
  description 
  and 
  notes 
  on 
  variation 
  given 
  above 
  are 
  based 
  on 
  a 
  

   number 
  of 
  specimens 
  in 
  the 
  author's 
  collection 
  procured 
  from 
  the 
  

   following 
  localities: 
  Ottawa, 
  Canada 
  (three 
  specimens); 
  McLean, 
  

   N. 
  Y. 
  (two 
  specimens 
  collected 
  June 
  21, 
  1924, 
  from 
  spider 
  material 
  

   by 
  sifting); 
  McLean 
  Bogs, 
  N. 
  Y. 
  (tliree 
  specimens. 
  May 
  16, 
  1925); 
  

   Cinnamon 
  Lake, 
  Schuyler 
  County, 
  N. 
  Y. 
  (two 
  specimens, 
  June 
  5, 
  

   1925) 
  ; 
  Nigger 
  Pond, 
  Oswego 
  County, 
  N. 
  Y. 
  (one 
  specimen, 
  September 
  

   3, 
  1926); 
  Ithaca, 
  N. 
  Y. 
  (one 
  specimen. 
  May 
  1924); 
  Woodwardia 
  

   Swamp 
  in 
  Freeville, 
  N. 
  Y. 
  (one 
  specimen, 
  July 
  28, 
  1929); 
  and 
  two 
  

   specimens 
  labeled 
  Wachocastinook 
  Creek, 
  Salisbury, 
  Conn., 
  June 
  29, 
  

   1930. 
  All 
  this 
  New 
  York 
  material 
  was 
  sent 
  to 
  me 
  for 
  identification 
  

   by 
  Profs. 
  C. 
  R. 
  Crosby 
  and 
  M. 
  D. 
  Leonard, 
  of 
  Cornell 
  University. 
  

  

  (5) 
  TRIMORUS 
  GRANDIS 
  (Brues) 
  

  

  Hoplognjon 
  grandis 
  Brues, 
  Bull. 
  Wisconsin 
  Soc. 
  Nat. 
  Hist., 
  ser. 
  2, 
  vol. 
  5, 
  p. 
  102, 
  

   1907.— 
  KiEFFER, 
  Das 
  Tierreich, 
  Lief. 
  48, 
  p. 
  218, 
  1926.— 
  Fouts, 
  Cornell 
  

   Univ. 
  Mem. 
  101, 
  p. 
  964, 
  1928. 
  

  

  Tyjie 
  locality. 
  — 
  Long 
  Island, 
  N. 
  Y. 
  

   Type.—V.S.N.M. 
  No. 
  42705. 
  

  

  (6) 
  TRIMORUS 
  PULCHRICORNIS. 
  new 
  species 
  

  

  Female. 
  — 
  Length 
  1.9 
  mm. 
  Head 
  twice 
  as 
  wide 
  as 
  long, 
  one 
  and 
  

   one-third 
  times 
  as 
  wide 
  as 
  the 
  thorax, 
  as 
  wide 
  as 
  the 
  abdomen; 
  frons 
  

  

  