﻿NO. 
  19G6. 
  SYNOPSIS 
  OF 
  NEOTROPICAL 
  LIMNOBIN^— 
  ALEXANDER. 
  541 
  

  

  the 
  epipleurse 
  to 
  the 
  base 
  of 
  the 
  abdomen. 
  Halteres 
  long, 
  slender, 
  

   stem 
  yellow, 
  knob 
  bro\\Ti 
  with 
  the 
  extreme 
  margin 
  paler. 
  Legs: 
  

   coxae 
  and 
  trochanters 
  dull 
  j^ellow; 
  middle 
  coxa 
  with 
  a 
  broad 
  triangu- 
  

   lar 
  black 
  mark 
  on 
  its 
  caudal 
  aspect; 
  posterior 
  coxae 
  dark 
  brownish. 
  

   Hind 
  leg 
  only 
  remains; 
  femora 
  brown 
  except 
  the 
  base, 
  a 
  post-medial 
  

   and 
  a 
  sub-apical 
  band, 
  yellow; 
  tibiae 
  dark 
  brown; 
  tarsi 
  light 
  yellow- 
  

   ish-brown. 
  

  

  Wings 
  clear 
  hyaline 
  with 
  an 
  irregular 
  brown 
  picture; 
  the 
  brown 
  

   markings 
  not 
  edged 
  with 
  lighter 
  as 
  in 
  sackeni, 
  and 
  no 
  tawny 
  as 
  in 
  

   solatrix. 
  Venation 
  (see 
  fig. 
  36). 
  

  

  Abdomen: 
  first 
  segment 
  light 
  yellow; 
  tergites 
  dark 
  brown, 
  the 
  

   basal 
  half 
  clearer, 
  darker 
  brown, 
  the 
  apical 
  half 
  more 
  indistinct; 
  

   hypopygium 
  dull 
  yellow; 
  sternites 
  light 
  yellow. 
  

  

  Habitat. 
  — 
  Holotype. 
  — 
  Male, 
  San 
  Francisco 
  Mountains, 
  Santo 
  

   Domingo, 
  West 
  Indies, 
  Sept., 
  1905 
  (Aug. 
  Busck, 
  coll.). 
  

  

  Type. 
  — 
  In 
  U. 
  S. 
  National 
  Museum 
  collection 
  (No. 
  14938). 
  

  

  EPIPHRAGMA 
  ADSPERSA 
  Wiedemann. 
  

  

  Limnobia 
  adspersa 
  Wiedemann, 
  Auss. 
  Zweifl. 
  Inskt., 
  vol. 
  1, 
  1828, 
  p. 
  550 
  — 
  Hun- 
  

   ter, 
  Trans. 
  Amer. 
  Ent. 
  Soc, 
  vol. 
  26, 
  1900, 
  p. 
  288.— 
  Kertesz, 
  Cat. 
  Dipt., 
  

   vol. 
  2, 
  1902, 
  p. 
  169. 
  

  

  Length, 
  male, 
  8.25 
  mm.; 
  wing, 
  10.2 
  mm. 
  

  

  Head: 
  rostrum 
  and 
  palpi 
  brown; 
  antennae: 
  first 
  segment 
  dark 
  

   bro\vn 
  with 
  a 
  gray 
  bloom, 
  second 
  dark, 
  brownish-black, 
  third 
  light 
  

   yellow, 
  fourth 
  pale 
  brownish-yellow, 
  remainder 
  dark 
  brownish- 
  

   black. 
  Front 
  rather 
  broad, 
  tawny 
  yellow, 
  a 
  median 
  brown 
  line 
  only 
  

   on 
  the 
  occiput 
  and 
  caudal 
  end 
  of 
  the 
  vertex. 
  

  

  Thorax 
  : 
  pronotum, 
  yellow 
  with 
  an 
  indistinct 
  darker 
  median 
  line, 
  

   enlarged 
  behind; 
  mesonotum 
  yellow 
  anteriorly, 
  the 
  sclerite 
  is 
  nar- 
  

   rowl}' 
  brownish, 
  with 
  a 
  very 
  narrow 
  brown 
  line 
  running 
  backward 
  

   toward 
  the 
  suture; 
  on 
  the 
  sides 
  of 
  the 
  praescutum 
  the 
  brown 
  is 
  

   broader 
  and 
  clearer 
  except 
  anteriorly, 
  where 
  it 
  is 
  paler; 
  scutum 
  with 
  

   a 
  depressed 
  area 
  at 
  the 
  point 
  of 
  the 
  suture; 
  scutum, 
  scutellum, 
  post- 
  

   notum 
  and 
  meta-notum 
  dull 
  yellowish-brown. 
  Pleurae 
  pale 
  brown 
  

   with 
  the 
  usual 
  dusky 
  epipleural 
  stripe 
  leading 
  from 
  the 
  prosternum 
  

   backward, 
  and 
  the 
  dusky 
  color 
  on 
  the 
  venter. 
  Halteres 
  long, 
  pale 
  

   brown, 
  knob 
  not 
  conspicuously 
  brighter. 
  Legs: 
  middle 
  pair; 
  coxae 
  

   pale, 
  whitish; 
  trochanters 
  brown; 
  femora 
  dark 
  brown, 
  a 
  narrow 
  yellow 
  

   band 
  beyond 
  the 
  middle 
  and 
  a 
  broader 
  one 
  at 
  the 
  tip; 
  tibia, 
  base 
  

   broadly 
  yellow, 
  middle 
  tip 
  of 
  tibia 
  yellow; 
  tarsi 
  conspicuously 
  light 
  

   yellow, 
  the 
  last 
  segment 
  more 
  brown. 
  Hind 
  legs: 
  coxae 
  pale; 
  tro- 
  

   chanters 
  brown; 
  femora 
  dark, 
  the 
  band 
  beyond 
  the 
  middle 
  broader 
  

   than 
  in 
  the 
  middle 
  pair, 
  tip 
  of 
  femora 
  and 
  base 
  of 
  tibia 
  with 
  subequal 
  

   bands 
  of 
  pale 
  yellow; 
  tibia 
  almost 
  all 
  light 
  yellow 
  with 
  a 
  broad 
  brown 
  

   subapical 
  band; 
  tarsi, 
  basal 
  two-thirds 
  of 
  the 
  metatarsus 
  pale 
  yellow, 
  

   rest 
  of 
  the 
  tarsi 
  dark 
  brown. 
  

  

  