﻿132 
  PROCEEDINGS 
  OF 
  THE 
  NATIONAL 
  MUSEUM 
  vol.98 
  

  

  area 
  medially 
  on 
  each 
  side 
  just 
  within 
  the 
  lateral 
  striae, 
  with 
  small 
  

   scattered 
  punctures 
  above; 
  vertex 
  reticulate; 
  occiput 
  impressed 
  retic- 
  

   ulate; 
  thorax 
  a 
  little 
  longer 
  than 
  wide, 
  convex 
  dorsally; 
  parapsidal 
  

   grooves 
  short; 
  mesonotum 
  roughly 
  sculptured, 
  reticulate, 
  irregularly 
  

   transversely 
  wrinkled 
  anteriorly, 
  more 
  strongly 
  longitudinally 
  wrinlded 
  

   posteriorly; 
  scutellum 
  smooth, 
  without 
  sculpture, 
  sparsely 
  covered 
  

   with 
  fine 
  hairs; 
  metanotal 
  spine 
  triangular, 
  broad 
  at 
  base, 
  acute 
  at 
  

   apex, 
  about 
  half 
  as 
  long 
  as 
  the 
  scutellum; 
  wings 
  faintly 
  brownish, 
  

   extending 
  about 
  one-ninth 
  the 
  length 
  of 
  the 
  abdomen 
  past 
  the 
  latter's 
  

   apex; 
  abdomen 
  1.7 
  times 
  as 
  long 
  as 
  wide, 
  1.1 
  times 
  as 
  wide 
  as 
  the 
  

   thorax, 
  convex 
  dorsally; 
  petiole 
  1.3 
  times 
  as 
  wide 
  as 
  long, 
  with 
  several 
  

   longitudinal 
  ridges 
  extending 
  its 
  entire 
  length, 
  very 
  slightly 
  trans- 
  

   versely 
  depressed 
  in 
  front 
  of 
  middle; 
  second 
  tergite 
  1.2 
  times 
  as 
  wide 
  

   as 
  long, 
  1.6 
  times 
  as 
  long 
  as 
  the 
  petiole, 
  with 
  numerous 
  longitudinal 
  

   parallel 
  or 
  diverging 
  ridges 
  to 
  apical 
  fifth; 
  several 
  of 
  these 
  ridges 
  

   bifurcate 
  before 
  middle; 
  third 
  tergite 
  1.45 
  times 
  as 
  wide 
  as 
  long, 
  twice 
  

   as 
  long 
  as 
  the 
  second, 
  sparsely 
  pubescent 
  laterallj'" 
  and 
  posteriorly, 
  

   smooth, 
  without 
  sculpture 
  of 
  any 
  kind; 
  fourth 
  tergite 
  longer 
  than 
  the 
  

   following 
  combined, 
  finely 
  reticulate 
  anteriorly; 
  black; 
  legs 
  dark 
  

   brown, 
  the 
  trochanters, 
  tibiae 
  basally 
  and 
  apically, 
  and 
  metatarsus 
  

   of 
  each 
  leg, 
  reddish 
  brown. 
  

  

  Type 
  locality. 
  — 
  Hollyburn, 
  British 
  Columbia. 
  

  

  T2/2)e.— 
  U.S.N.M. 
  No. 
  57805. 
  

  

  One 
  specimen 
  collected 
  on 
  September 
  27, 
  1929, 
  by 
  Oscar 
  Whittaker. 
  

  

  (57) 
  TRIMORUS 
  CALIFGRNICUS 
  (Ashmead) 
  

  

  Prosacantha 
  californica 
  Ashmead, 
  U. 
  S. 
  Nat. 
  Mus. 
  Bull. 
  4.5, 
  p. 
  190, 
  1S93 
  (female) 
  

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

   Das 
  Tierreich, 
  Lief. 
  48, 
  p. 
  229, 
  1926. 
  

  

  Type 
  locality. 
  — 
  Santa 
  Cruz 
  Mountains, 
  Calif. 
  

   Type.— 
  U.S. 
  ^.M. 
  No. 
  24499. 
  

  

  (58) 
  TRIMORUS 
  SILVATICUS. 
  new 
  species 
  

  

  Female. 
  — 
  Length 
  1.36 
  mm. 
  Head 
  about 
  twice 
  as 
  wide 
  as 
  long, 
  1.1 
  

   times 
  as 
  wide 
  as 
  the 
  thorax, 
  about 
  as 
  wide 
  as 
  the 
  abdomen; 
  occiput 
  

   and 
  vertex 
  laterally 
  with 
  close 
  impressed 
  reticulation; 
  frons 
  striate 
  

   below 
  and 
  laterally 
  nearly 
  to 
  top 
  of 
  eye, 
  pubescent 
  above, 
  with 
  a 
  

   carina 
  to 
  anterior 
  ocellus 
  ; 
  thorax 
  scarcely 
  longer 
  than 
  wide 
  ; 
  mesonotum 
  

   scaly-reticulate 
  anteriorly, 
  irregularly 
  wrinkled 
  posteriorly, 
  subopaque, 
  

   covered 
  with 
  short 
  semierect 
  hairs; 
  parapsidal 
  grooves 
  briefly 
  indi- 
  

   cated 
  posteriorly; 
  scutellum 
  smooth, 
  without 
  distinct 
  sculpture; 
  spine 
  

   on 
  metanotum 
  rather 
  short, 
  acute; 
  lateral 
  angles 
  of 
  propodeum 
  very 
  

   short, 
  tubercle-like; 
  anterior 
  wings 
  nearly 
  four 
  times 
  as 
  long 
  as 
  wide, 
  

   not 
  quite 
  attaining 
  the 
  tip 
  of 
  the 
  abdomen, 
  light 
  brownish; 
  abdomen 
  

   1.75 
  times 
  as 
  long 
  as 
  wide, 
  1.75 
  times 
  as 
  long 
  as 
  the 
  thorax; 
  petiole 
  

  

  