﻿506 
  PROCEEDINGS 
  OP 
  THE 
  NATIONAL 
  MUSEUM. 
  vol.44. 
  

  

  GONOMYIA 
  (LEIPONEURA) 
  PUER. 
  new 
  species. 
  

  

  Brownish-gray; 
  sciiteilum 
  pale 
  on 
  caudal 
  margin; 
  pleurae 
  plumb- 
  

   eous, 
  striped 
  with 
  yellow; 
  wings 
  hyaline. 
  

  

  Female. 
  — 
  Length, 
  4 
  5-5 
  mm; 
  wing, 
  4-4.5 
  mm. 
  Head: 
  rostrum 
  

   brownish-yellow; 
  palpi 
  dark 
  brown; 
  antennae 
  light 
  brown; 
  front 
  

   whitish, 
  flesh 
  color, 
  semituberculate; 
  vertex 
  and 
  occiput 
  bluish-gray 
  

   pruinose; 
  genae 
  brighter 
  blue-gray. 
  

  

  Thorax: 
  mesonotum, 
  praescutum 
  brownish 
  -gray 
  except 
  the 
  

   extreme 
  lateral 
  margin 
  which 
  is 
  light 
  yellow, 
  broadest 
  anteriorly; 
  

   pseudosuture 
  elongate-triangular, 
  reddish-brown; 
  scutum 
  browuish- 
  

   gray, 
  paler 
  medially 
  and 
  on 
  the 
  externo-caudal 
  angles; 
  scutellum 
  

   yellow; 
  post-notum 
  brownish-gray, 
  thickly 
  blue 
  pruinose. 
  Pleurae 
  

   plumbeous 
  with 
  a 
  yellow 
  stripe 
  beginning 
  above 
  the 
  fore 
  coxa, 
  con- 
  

   tinuing 
  caudad 
  to 
  below 
  the 
  halteres, 
  brightest 
  anteriorly; 
  sternum 
  

   yellowish. 
  Halteres 
  pale, 
  knob 
  slightly 
  darker. 
  Legs: 
  coxse 
  and 
  

   trochanters 
  yellow; 
  femora, 
  tibiae 
  and 
  tarsi 
  yellowish-brown, 
  uniform. 
  

  

  Wings: 
  hyaline, 
  stigma 
  very 
  faintly 
  mdicated. 
  (See 
  fig. 
  14.) 
  

  

  Abdomen: 
  dorsum 
  dark 
  brown; 
  genital 
  segment 
  dull 
  reddish- 
  

   yellow. 
  

  

  Type. 
  — 
  In 
  U. 
  S. 
  National 
  Museum 
  collection 
  (No. 
  14932). 
  

  

  Paratypes. 
  — 
  Females: 
  mesonotum 
  grayish- 
  brown, 
  the 
  cephalic 
  and 
  

   lateral 
  margins 
  of 
  the 
  praescutum 
  pale, 
  cream-color; 
  pale 
  pleural 
  

   stripes 
  broader; 
  lateral 
  margins 
  of 
  the 
  abdominal 
  tergit'es 
  pale 
  on 
  

   their 
  basal 
  half, 
  givmg 
  a 
  semiannulated 
  appearance. 
  

  

  Habitat. 
  — 
  Holotype. 
  — 
  Female, 
  Santo 
  Domingo, 
  West 
  Lidies 
  (Aug., 
  

   1905), 
  (Busck, 
  coll.). 
  

  

  Paratypes. 
  — 
  Females, 
  with 
  the 
  type 
  (San 
  Francisco 
  Mountams; 
  

   Sept., 
  1905). 
  

  

  GONOMYIA 
  (GONOMYIA) 
  DELICATA, 
  new 
  species. 
  

  

  Antennae 
  with 
  two 
  basal 
  segments 
  light 
  yellow; 
  head 
  light 
  yellow 
  

   with 
  a 
  dark 
  line 
  on 
  vertex; 
  mesonotum 
  bro-wn; 
  pleurae 
  yellow 
  with 
  

   distinct 
  brown 
  stripes; 
  legs 
  unicolorous, 
  yeUowish-brown; 
  wings 
  

   hyaline; 
  stigma 
  pale 
  brown. 
  

  

  Female. 
  — 
  Length, 
  4.6 
  mm.; 
  wing, 
  6 
  mm. 
  Head: 
  rostrum 
  and 
  palpi 
  

   dark 
  brownish-black; 
  antennae, 
  two 
  basal 
  segments 
  light 
  yellow, 
  

   remainder 
  dark 
  brownish-black; 
  front 
  and 
  occiput 
  light 
  yellow; 
  

   vertex 
  light 
  yellow 
  with 
  a 
  linear 
  dark 
  brown 
  medial 
  stripe; 
  gena3 
  

   faintly 
  tinged 
  with 
  darker. 
  

  

  Thorax: 
  pronotum 
  light 
  yellow 
  with 
  a 
  broad 
  median 
  grayish- 
  

   brown 
  stripe; 
  mesonotum 
  bro\^^l; 
  pseudosuture 
  elongate, 
  triangular, 
  

   deep, 
  shiny 
  reddish; 
  a 
  pale 
  line 
  from 
  the 
  mesal 
  end 
  of 
  this 
  fovea 
  

   continuing 
  back 
  to 
  the 
  transverse 
  suture. 
  Lateral 
  margin 
  of 
  the 
  

   praescutum 
  bright 
  light 
  yellow, 
  broadest 
  behind. 
  Scutum 
  brown, 
  

   indistinctly 
  paler 
  medially; 
  scutellum 
  light 
  V>rown; 
  post-notum 
  

  

  