﻿70 
  PROCEEDINGS 
  OF 
  THE 
  NATIONAL 
  MUSEUM 
  vol. 
  103 
  

  

  30:32:32:42. 
  Palpal 
  segments 
  in 
  proportion 
  of 
  5:12:15:8:12, 
  

   third 
  segment 
  slightly 
  swollen, 
  with 
  large, 
  shallow 
  sensory 
  pit 
  near 
  

   apex. 
  

  

  Thorax 
  dark 
  reddish 
  brown, 
  with 
  dense 
  silvery 
  pruinescence 
  in 
  

   irregular 
  patches; 
  mesonotum 
  long, 
  with 
  prominent, 
  conical, 
  anterior 
  

   spine, 
  the 
  anterior 
  portion 
  markedly 
  sloping, 
  posterior 
  portion 
  flat- 
  

   tened 
  between 
  wing 
  bases; 
  covered 
  with 
  sparse, 
  long, 
  brown 
  hairs; 
  

   scutellum 
  with 
  four 
  long, 
  fine, 
  brown 
  hairs. 
  Legs 
  dark 
  brown, 
  all 
  

   femora 
  and 
  fore 
  tibiae 
  with 
  obscure 
  broad 
  median 
  light 
  bands, 
  mid- 
  

   tibia 
  and 
  hind 
  tibia 
  with 
  narrow 
  sub-basal 
  light 
  rings, 
  tarsi 
  yellow 
  

   except 
  fifth 
  segment 
  of 
  each 
  brown. 
  Proportions 
  of 
  segments 
  of 
  

   hind 
  leg 
  as 
  in 
  table 
  1 
  ; 
  legs 
  with 
  moderately 
  long, 
  black 
  hairs, 
  wliich 
  are 
  

   stronger 
  on 
  hind 
  tibia 
  ; 
  basitarsi 
  with 
  three 
  ventral 
  spines 
  on 
  foreleg, 
  

   four 
  on 
  midleg, 
  and 
  one 
  at 
  base 
  on 
  hind 
  leg; 
  fifth 
  segment 
  without 
  

   ventral 
  batonnets; 
  claws 
  very 
  slender 
  and 
  slightly 
  unequal, 
  the 
  longer 
  

   as 
  long 
  as 
  fifth 
  segment, 
  the 
  other 
  about 
  0.6 
  to 
  0.8 
  as 
  long. 
  

  

  Wing 
  hyaline, 
  without 
  macrotrichiae, 
  veins 
  infuscated, 
  a 
  large 
  

   brownish 
  spot 
  over 
  first 
  radial 
  cell 
  from 
  vein 
  Ri 
  to 
  crossvein 
  r-m; 
  

   apex 
  of 
  second 
  radial 
  cell 
  with 
  bro^vn 
  spot, 
  then 
  a 
  short 
  white 
  area 
  

   with 
  apex 
  of 
  wing 
  weakly 
  infuscated. 
  First 
  radial 
  cell 
  well 
  developed, 
  

   one-fourth 
  as 
  long 
  as 
  second 
  ; 
  r-m 
  crossvein 
  faint 
  in 
  middle, 
  forming 
  an 
  

   oblique 
  line 
  with 
  Ri, 
  petiole 
  of 
  media 
  as 
  long 
  as 
  crossvein. 
  Knobs 
  of 
  

   halteres 
  black. 
  

  

  Abdomen 
  black, 
  distal 
  half 
  of 
  tergites 
  1 
  to 
  3 
  and 
  narrow 
  distal 
  

   margins 
  of 
  remaining 
  tergites 
  with 
  silvery, 
  pruinose 
  bands. 
  Sper- 
  

   mathecae 
  two, 
  subequal, 
  pyriform. 
  

  

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

   antennal 
  plumes 
  golden. 
  Ninth 
  sternite 
  over 
  twice 
  as 
  broad 
  as 
  long, 
  

   with 
  caudal 
  excavation 
  to 
  half 
  its 
  length, 
  the 
  membrane 
  bare; 
  ninth 
  

   tergite 
  rounded 
  with 
  a 
  pair 
  of 
  membranous, 
  setigerous, 
  apicolateral 
  

   lobes. 
  Basistyles 
  simple, 
  about 
  2.5 
  times 
  as 
  long 
  as 
  broad; 
  dististyles 
  

   slender, 
  nearly 
  as 
  long 
  as 
  basistyles, 
  gently 
  curved, 
  with 
  pointed 
  

   incurved 
  apices. 
  Aedeagus 
  with 
  a 
  pair 
  of 
  heavj^, 
  oblique, 
  crooked, 
  

   lateral 
  sclerites 
  meeting 
  mesad 
  subapically, 
  with 
  apices 
  pointed 
  and 
  

   abruptly 
  bent 
  ventrolaterad. 
  Parameres 
  with 
  heavy, 
  platelike, 
  

   V-shaped, 
  basal 
  apodemes; 
  stems 
  straight 
  and 
  contiguous 
  mesad, 
  

   slightly 
  expanded 
  midway, 
  with 
  lateral 
  wall 
  folded 
  ventrad 
  and 
  mesad 
  

   and 
  apparently 
  fusing 
  on 
  midline 
  on 
  distal 
  third; 
  extreme 
  apices 
  

   slender, 
  flattened 
  dorsoventrally 
  and 
  abruptly 
  bent 
  ventrad. 
  

  

  Types. 
  — 
  USNM 
  60695, 
  holotype, 
  cf, 
  and 
  allotype. 
  Crystal 
  River, 
  

   Citrus 
  County, 
  Fla., 
  June 
  7, 
  1950, 
  Hudson, 
  light 
  trap. 
  Parat3T)es: 
  

   Florida: 
  10 
  cf 
  cf 
  , 
  17 
  99, 
  same 
  data 
  as 
  type 
  except 
  dates, 
  June 
  5-July 
  17, 
  

   1949-50; 
  6 
  99, 
  Grayton 
  Beach, 
  Walton 
  County, 
  May 
  10, 
  1949, 
  Butler; 
  

   15 
  99, 
  Santa 
  Rosa, 
  Walton 
  County, 
  June 
  7, 
  1949, 
  Peterson. 
  Missis- 
  

   sippi: 
  4 
  99, 
  Horn 
  Island, 
  June, 
  July, 
  1944, 
  Richmond. 
  

  

  