﻿126 
  PROCEEDINGS 
  OF 
  THE 
  NATIONAL 
  MUSEUM 
  vol.98 
  

  

  (41) 
  TRIMORUS 
  FLAVICOXA 
  (Aehmead) 
  

  

  Promcantha 
  flaticoxa 
  Ashmead, 
  U. 
  S. 
  Nat. 
  Mus. 
  Bull. 
  45, 
  p. 
  196, 
  1893 
  (female). 
  

   Hoplogryon 
  flavicoxa, 
  Kieffeh, 
  Genera 
  insectoruin, 
  fasc. 
  SOB, 
  p. 
  95, 
  1910; 
  Das 
  

   Tierreich, 
  Lief. 
  48, 
  p. 
  231, 
  1926. 
  

  

  Type 
  locality. 
  — 
  Virginia. 
  

   Type.—U.S.^M. 
  No. 
  24512. 
  

   Described 
  from 
  a 
  single 
  specimen. 
  

  

  (42) 
  TRIMORUS 
  XANTHOPUS. 
  new 
  species 
  

  

  Female. 
  — 
  Length 
  1.43 
  mm. 
  Head 
  about 
  twice 
  as 
  wide 
  as 
  long, 
  as 
  

   wide 
  as 
  the 
  thorax, 
  as 
  wide 
  as 
  the 
  abdomen; 
  frons 
  with 
  short 
  striae 
  

   below, 
  narrowly 
  striate 
  laterally 
  to 
  middle 
  of 
  eyes, 
  with 
  small 
  scattered 
  

   punctures 
  on 
  upper 
  half, 
  with 
  a 
  fine 
  median 
  carina 
  to 
  anterior 
  ocellus; 
  

   vertex 
  reticulate; 
  occiput 
  and 
  cheeks 
  smooth, 
  without 
  sculpture; 
  

   thorax 
  about 
  as 
  wide 
  as 
  long, 
  convex 
  above 
  anteriorly, 
  flattened 
  

   posteriorly; 
  mesonotum 
  strongly 
  sculptured, 
  coarsely 
  and 
  confluently 
  

   punctate, 
  the 
  punctures 
  more 
  distinct 
  medially, 
  coarsely 
  reticulate 
  

   posteriorly, 
  the 
  enclosed 
  areas 
  large; 
  parapsidal 
  grooves 
  briefly 
  

   indicated 
  posteriorly, 
  not 
  clearly 
  indicated; 
  scutellum 
  rouglily 
  

   sculptured, 
  with 
  large 
  punctures, 
  a 
  median 
  posterior 
  area 
  smooth, 
  

   polished; 
  metanotal 
  spine 
  triangular 
  in 
  shape, 
  broad 
  basally, 
  acute 
  

   apically, 
  slightly 
  more 
  than 
  half 
  as 
  long 
  as 
  the 
  scutellum; 
  abdomen 
  

   1.75 
  times 
  as 
  long 
  as 
  wide, 
  convex 
  dorsally; 
  petiole 
  about 
  as 
  long 
  as 
  

   wide, 
  with 
  numerous 
  longitudinal 
  ridges 
  extending 
  its 
  entire 
  length, 
  

   not 
  elevated 
  anteriorly 
  and 
  without 
  a 
  transverse 
  depression; 
  secoad 
  

   tergite 
  1.2 
  times 
  as 
  wide 
  as 
  long, 
  1.3 
  times 
  as 
  long 
  as 
  the 
  petiole, 
  with 
  

   many 
  parallel 
  or 
  slightly 
  diverging 
  ridges 
  extending 
  nearly 
  to 
  the 
  

   posterior 
  margin 
  of 
  the 
  segment; 
  third 
  tergite 
  1.3 
  times 
  as 
  wide 
  as 
  

   long, 
  2.2 
  times 
  as 
  long 
  as 
  the 
  second, 
  striate 
  basally, 
  these 
  striae 
  

   continued 
  posteriorly 
  as 
  fine 
  wavy 
  aciculations 
  nearly 
  to 
  the 
  apex 
  of 
  

   the 
  segment; 
  third 
  tergite 
  sparsely 
  pubescent 
  laterally, 
  without 
  

   pubescence 
  anteriorly 
  and 
  medially; 
  black; 
  scape 
  and 
  pedicel 
  brown, 
  

   the 
  former 
  somewhat 
  paler 
  basally; 
  legs 
  (including 
  coxae) 
  yellow; 
  

   wings 
  hyaline. 
  

  

  Type 
  locality. 
  — 
  Glen 
  Echo, 
  Md. 
  

  

  TT/pe.— 
  U.S.N. 
  M. 
  No. 
  57798. 
  

  

  One 
  specimen 
  collected 
  September 
  29, 
  1917, 
  by 
  the 
  author. 
  

  

  (43) 
  TRIMORUS 
  FUSCIPENNIS 
  (Ashmead) 
  

  

  Prosacantha 
  fuscipennif; 
  Ashmead, 
  Ent. 
  Amer., 
  vol. 
  3, 
  p. 
  117, 
  1887 
  (male); 
  U. 
  S. 
  

  

  Nat. 
  Mus. 
  Bull. 
  45, 
  p. 
  194, 
  1893. 
  

   HoplogrTjon 
  fuscipennis, 
  Kieffer, 
  Genera 
  insectorum, 
  fa-^c. 
  SOB, 
  p. 
  9r., 
  1910; 
  Das 
  

  

  Tierreich, 
  Lief. 
  48, 
  p. 
  225, 
  1926. 
  

  

  Type 
  locality. 
  — 
  Jacksonville, 
  Fla. 
  

   Type.— 
  V.S.N. 
  M. 
  No. 
  24506. 
  

  

  