﻿NO. 
  1966. 
  SYNOPSIS 
  OF 
  NEOTROPICAL 
  LIMNOBIN^— 
  ALEXANDER. 
  545 
  

  

  whitish-yellow 
  apically, 
  remaining 
  segments, 
  except 
  the 
  last, 
  white, 
  

   ultimate 
  segment 
  black. 
  Front 
  rather 
  broad; 
  head 
  triangular 
  behind; 
  

   eyes 
  conical, 
  with 
  coarse 
  ommatidia; 
  front, 
  vertex, 
  and 
  occiput 
  light 
  

   silvery 
  gray. 
  

  

  Thorax: 
  pronotum 
  white; 
  mesonotum: 
  praescutum 
  pearl 
  gray, 
  

   whitish 
  along 
  the 
  lateral 
  margin; 
  no 
  evidence 
  of 
  a 
  pseudo 
  sutural 
  

   pit 
  or 
  fovea; 
  scutum 
  gray, 
  yellower 
  caudad; 
  post-notum 
  dull 
  gray. 
  

   PleuraB 
  light 
  browmish-yellow, 
  the 
  sternum 
  clear 
  light 
  yellow. 
  Hal- 
  

   teres 
  long, 
  slender, 
  light 
  brown. 
  Legs 
  long, 
  slender; 
  coxae 
  light 
  yel- 
  

   low^; 
  remainder 
  of 
  the 
  legs 
  light 
  brownish-yellow, 
  the 
  apical 
  segments 
  

   darker. 
  

  

  Wings 
  pearly 
  white; 
  stigma 
  pale 
  brown; 
  veins 
  light 
  brownish- 
  

   yellow. 
  Venation: 
  Sc 
  long, 
  Sc^ 
  ending 
  about 
  opposite 
  to 
  the 
  fork 
  

   of 
  the 
  sector; 
  Scj 
  near 
  its 
  tip; 
  R^ 
  long, 
  rather 
  close 
  to 
  Rj- 
  R5 
  short, 
  

   gently 
  arcuated; 
  R2+3 
  gently 
  arcuated, 
  short, 
  equal 
  to 
  Rj; 
  R2 
  

   short, 
  oblique; 
  R3 
  long, 
  feebly 
  sinuated. 
  M^+g 
  fused 
  to 
  the 
  wing 
  

   margin; 
  cross- 
  vein 
  m 
  obliterated; 
  fusion 
  of 
  Cu^ 
  with 
  Mg 
  about 
  equal 
  

   to 
  ^klg 
  before 
  the 
  basal 
  deflection 
  of 
  Cui, 
  both 
  shorter 
  than 
  the 
  deflec- 
  

   tion; 
  second 
  anal 
  long, 
  gently 
  sinuated. 
  (See 
  fig. 
  19.) 
  

  

  Abdomen 
  brown, 
  the 
  ovipositor 
  yellow. 
  

  

  Habitat. 
  — 
  Holofype. 
  — 
  Female, 
  Cinchona, 
  Jamaica, 
  West 
  Indies, 
  Feb. 
  

   24, 
  1911. 
  

  

  Type. 
  — 
  In 
  American 
  Museum 
  of 
  Natural 
  History. 
  

  

  The 
  open 
  ceU 
  first 
  Mj 
  may 
  be 
  an 
  abnormality 
  of 
  the 
  specimen; 
  if 
  

   not, 
  the 
  insect 
  may 
  be 
  the 
  representative 
  of 
  a 
  new 
  subgenus. 
  

  

  LIMNOPHILA 
  LENTOIDES, 
  new 
  species. 
  

  

  Male. 
  — 
  Length, 
  5.2-5.4 
  mm; 
  wing, 
  6.9-7 
  mm. 
  Head: 
  Rostrum 
  

   and 
  palpi 
  brown; 
  antennas: 
  basal 
  segment 
  elongate-cylindrical, 
  

   second 
  globular, 
  cyatliiform, 
  dull 
  yellow; 
  flagellar 
  segments 
  rather 
  

   regularly 
  oval, 
  clothed 
  with 
  a 
  fine 
  pubescence, 
  dark 
  brownish-black. 
  

   Front 
  and 
  anterior 
  portion 
  of 
  the 
  vertex 
  gray; 
  caudal 
  portion 
  of 
  the 
  

   vertex, 
  and 
  the 
  occiput, 
  gradually 
  darker 
  brown. 
  

  

  Thorax: 
  pronotum 
  chstinct, 
  brown 
  with 
  a 
  grey 
  bloom. 
  Mesonotum 
  

   brown 
  with 
  a 
  3'ellowish-grey 
  bloom; 
  pseudosutural 
  pit 
  on 
  the 
  praescu- 
  

   tum, 
  small, 
  semilunate, 
  black. 
  Pleurae 
  light 
  gray. 
  Halteres 
  long, 
  

   light 
  brown. 
  Legs: 
  coxae 
  and 
  trochanters 
  llight 
  yelow; 
  femora 
  

   yeUowish-brown 
  ; 
  tibiae 
  and 
  tarsi 
  light 
  brown. 
  

  

  Wings 
  subhyaHne, 
  with 
  brownish-j^eUow 
  veins. 
  (See 
  fig. 
  21.) 
  

  

  Abdomen: 
  tergites 
  brown; 
  sternites 
  duU 
  yellow. 
  

  

  Female. 
  — 
  The 
  female 
  is 
  larger 
  and 
  has 
  the 
  wmgs 
  strongly 
  tinged 
  

   with 
  3'eUow 
  (length, 
  8.S 
  mm.; 
  wing. 
  8.8 
  mm.). 
  This 
  specimen 
  lacks 
  

   a 
  cell 
  first 
  Mj 
  in 
  both 
  wings. 
  

  

  Paratype 
  No. 
  1 
  is 
  like 
  the 
  type, 
  but 
  the 
  mesothoracic 
  pr^scutum 
  

   shows 
  four 
  indistmct 
  brown 
  stripes, 
  two 
  long, 
  narrow 
  ones 
  on 
  either 
  

   G90T7°— 
  rroc.N.M.vol.44— 
  13 
  3.5 
  

  

  