﻿80 
  PROCEEDINGS 
  OF 
  THE 
  NATIONAL 
  MUSEUM 
  vol. 
  i03 
  

  

  Description. 
  — 
  Female: 
  Length 
  2.4 
  mm., 
  wing 
  1.9 
  mm. 
  by 
  0.9 
  mm. 
  

   Head 
  pruinose 
  brown; 
  antennae 
  yellow, 
  apices 
  of 
  segments 
  3 
  to 
  10 
  

   and 
  aU 
  of 
  last 
  five 
  segments 
  brown; 
  palpi 
  black. 
  Flagellar 
  segments 
  

   in 
  proportion 
  of 
  28:18:18:18:18:18:20:20:38:38:40:40:55, 
  last 
  

   segment 
  with 
  very 
  slender 
  pointed 
  tip. 
  Papal 
  segments 
  in 
  proportion 
  

   of 
  5:10:16:8:20, 
  third 
  segment 
  slightly 
  swollen 
  with 
  a 
  small, 
  round, 
  

   subapical 
  pit. 
  

  

  Thorax 
  pruinose 
  brown, 
  margins 
  of 
  mesonotum, 
  broad 
  center 
  of 
  

   scatellum, 
  and 
  upper 
  half 
  of 
  pleiu-a 
  yellow. 
  Mesonotum 
  with 
  irregular, 
  

   silv^ery 
  pruinose 
  patches, 
  a 
  few 
  long, 
  brown 
  bristles; 
  scutellum 
  with 
  

   four 
  long, 
  marginal 
  bristles. 
  Coxae 
  and 
  trochanters 
  dark 
  brown, 
  

   rest 
  of 
  legs 
  yellow; 
  fore 
  femur 
  with 
  broad 
  sub-basal, 
  midfemur 
  with 
  

   narrow 
  basal, 
  and 
  hind 
  femur 
  with 
  narrow 
  apical 
  brown 
  bands; 
  all 
  

   tibiae 
  narrowly 
  brown 
  at 
  apices; 
  rows 
  of 
  small, 
  round, 
  brown 
  puncta- 
  

   tions 
  at 
  bases 
  of 
  hairs 
  on 
  all 
  femora 
  and 
  tibiae, 
  these 
  hairs 
  long 
  and 
  

   dark 
  on 
  hind 
  tibia. 
  Proportions 
  of 
  segments 
  of 
  hind 
  leg 
  as 
  in 
  table 
  

   1; 
  basitarsus 
  with 
  three 
  black 
  ventral 
  spines 
  on 
  forelegs, 
  two 
  on 
  

   midlegs 
  and 
  one 
  at 
  base 
  on 
  hind 
  legs; 
  fifth 
  tarsal 
  segment 
  without 
  

   batonnets; 
  claws 
  slender 
  and 
  unequal, 
  the 
  longer 
  claw 
  as 
  long 
  as 
  

   fifth 
  segment, 
  the 
  other 
  two-thirds 
  as 
  long. 
  

  

  Wing 
  hyaline, 
  anterior 
  veins 
  yellowish; 
  a 
  brown 
  spot 
  over 
  r-m 
  

   crossvein 
  and 
  a 
  very 
  small 
  one 
  over 
  vein 
  R2+3; 
  macrotrichiae 
  absent. 
  

   First 
  radial 
  cell 
  large, 
  one-fourth 
  as 
  long 
  as 
  second, 
  latter 
  to 
  0.8 
  wing 
  

   length; 
  petiole 
  of 
  media 
  as 
  long 
  as 
  r-m 
  crossvein. 
  Halteres 
  brown. 
  

  

  Abdomen 
  dull, 
  pruinose 
  yellowish, 
  tergites 
  with 
  irregular 
  brown 
  

   bands 
  in 
  middle 
  of 
  segments, 
  pleura 
  dark. 
  Spermathecae 
  three, 
  the 
  

   two 
  larger 
  subequal 
  and 
  oval 
  with 
  short, 
  sclerotized 
  ducts, 
  the 
  third 
  

   about 
  two-thirds 
  as 
  large 
  and 
  subspherical, 
  without 
  sclerotized 
  duct. 
  

  

  Male: 
  Similar 
  to 
  the 
  female 
  but 
  with 
  the 
  usual 
  sexual 
  differences; 
  

   plumes 
  of 
  antennae 
  golden 
  brown. 
  Ninth 
  sternite 
  a 
  very 
  narrow 
  band, 
  

   the 
  posterior 
  membrane 
  spiculate; 
  ninth 
  tergite 
  rounded, 
  with 
  small, 
  

   submedian, 
  setigerous 
  lobes 
  at 
  apex. 
  Basistyle 
  simple, 
  twice 
  as 
  long 
  

   as 
  broad; 
  dististyle 
  as 
  long 
  as 
  basistyle 
  and 
  rather 
  stout 
  to 
  apex, 
  

   slightly 
  bent 
  on 
  distal 
  third. 
  Aedeagus 
  with 
  an 
  oblique 
  pair 
  of 
  heavy 
  

   twice-sinuate 
  sclerites 
  with 
  apices 
  snoutlike 
  and 
  crossing 
  each 
  other 
  

   mesad. 
  Parameres 
  very 
  slender, 
  the 
  lateral 
  apodemes 
  evenly 
  curved 
  

   and 
  slender, 
  stems 
  nearly 
  straight 
  with 
  bases 
  slightly 
  enlarged, 
  

   gradually 
  tapered 
  to 
  sharp, 
  hooked 
  tips 
  abruptly 
  bent 
  ventrocephalad 
  

   at 
  two-thirds 
  total 
  length. 
  

  

  Ti/pes.— 
  USNM 
  60966, 
  holotype, 
  9, 
  Crystal 
  River, 
  Citrus 
  County, 
  

   Fla., 
  June 
  7, 
  1949, 
  Hudson, 
  light 
  trap; 
  allotype, 
  same 
  data 
  except 
  

   date, 
  Oct. 
  6, 
  1949. 
  Paratypes: 
  Florida: 
  11 
  d'cf, 
  23 
  99, 
  same 
  data 
  

   as 
  type 
  except 
  dates, 
  May-October 
  1949-50; 
  1 
  cT, 
  3 
  99, 
  Leesburg, 
  Lake 
  

   County, 
  Aug. 
  7, 
  1949, 
  Braddock; 
  Mexico: 
  4 
  99, 
  Ciudad 
  Monte, 
  

   Tamaulipas, 
  Nov. 
  22, 
  1943, 
  Brookman. 
  

  

  