﻿HELEID 
  MIDGES, 
  GENUS 
  STILOBEZZIA 
  — 
  WIRTH 
  77 
  

  

  with 
  first 
  radial 
  cell 
  a 
  fifth 
  as 
  long 
  as 
  second; 
  petiole 
  of 
  media 
  a 
  fourth 
  

   as 
  long 
  as 
  distal 
  portion. 
  Legs 
  slender, 
  nearly 
  bare, 
  proportions 
  of 
  

   segments 
  of 
  hind 
  leg 
  as 
  in 
  table 
  1 
  ; 
  basitarsi 
  unspined, 
  fifth 
  segment 
  

   with 
  a 
  pair 
  of 
  ventral 
  batonnets. 
  

  

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

   plumes 
  of 
  antennae 
  yellow. 
  Ninth 
  sternite 
  about 
  four 
  times 
  as 
  broad 
  

   as 
  long, 
  with 
  a 
  very 
  shallow, 
  broad, 
  posterior 
  excavation, 
  the 
  posterior 
  

   membrane 
  spiculate; 
  ninth 
  tergite 
  tapered, 
  much 
  longer 
  than 
  basi- 
  

   styles, 
  with 
  very 
  short, 
  setigerous, 
  apicolateral 
  lobes. 
  Basistyles 
  broad 
  

   at 
  bases, 
  attenuated 
  distad, 
  simple, 
  with 
  an 
  irregular, 
  hyaline 
  mem- 
  

   brane 
  connecting 
  the 
  inner 
  margins 
  about 
  two-thirds 
  way 
  to 
  apices; 
  

   dististyles 
  about 
  as 
  long 
  as 
  basistyles, 
  slightly 
  curved 
  and 
  tapered 
  to 
  a 
  

   slender, 
  pointed 
  tip. 
  Aedeagus 
  with 
  a 
  pair 
  of 
  slender, 
  sclerotized, 
  

   oblique 
  rods 
  with 
  straight 
  apices, 
  the 
  curved 
  bases 
  continuous 
  with 
  

   anterior 
  margins 
  of 
  basistyles. 
  Parameres 
  with 
  bases 
  very 
  stout 
  and 
  

   conical, 
  and 
  with 
  greatly 
  narrowed 
  apices 
  recurved 
  ventrolaterad, 
  the 
  

   bases 
  connected 
  by 
  a 
  narrow, 
  sclerotized 
  band. 
  

  

  Type.— 
  Vii'NM 
  5482, 
  9, 
  New 
  Jersey, 
  Riverton. 
  

  

  Material 
  examined. 
  — 
  New 
  Jersey: 
  Riverton, 
  July 
  3, 
  Johnson, 
  1 
  9 
  

   (type). 
  

  

  Virginia: 
  Falls 
  Church, 
  July 
  4, 
  Aug. 
  6, 
  1950, 
  Wu'th, 
  4 
  cf 
  cf 
  , 
  3 
  99. 
  

  

  Georgia: 
  Thomasville, 
  May 
  15-30, 
  1949, 
  Palmer, 
  1 
  cf 
  , 
  2 
  99. 
  

  

  11. 
  Stilobezzia 
  (Stilobezzia) 
  glauca 
  Macfie, 
  1939 
  

  

  Figure 
  12, 
  h 
  

  

  Stilobezzia 
  glauca 
  Macfie, 
  Rev. 
  Ent., 
  vol. 
  10, 
  p. 
  204, 
  1939 
  (cf, 
  Brazil). 
  — 
  Lane, 
  Rev. 
  

   Ent., 
  vol. 
  18, 
  p. 
  207, 
  1947 
  ( 
  9 
  ). 
  

  

  Diagnostic 
  characters. 
  — 
  A 
  rather 
  small, 
  bright, 
  pale 
  green 
  species 
  

   with 
  whitish 
  antennae, 
  legs, 
  wings, 
  and 
  halteres; 
  mesonotum 
  exten- 
  

   sively 
  dark, 
  shining 
  brown; 
  abdomen 
  with 
  black 
  band 
  across 
  third 
  

   tergite 
  and 
  lateral 
  spots 
  on 
  fifth. 
  

  

  Description. 
  — 
  Female: 
  Length 
  1.8 
  mm., 
  wing 
  1.7 
  mm. 
  by 
  0.6 
  mm. 
  

   Head 
  yellowish 
  brown, 
  antennae 
  whitish 
  at 
  bases, 
  last 
  five 
  segments 
  

   and 
  palpi 
  pale 
  brownish. 
  Flagellar 
  segments 
  in 
  proportion 
  of 
  

   25:15:15:15:16:17:18:20:40:40:35:35:45. 
  Palpi 
  long, 
  segments 
  in 
  pro- 
  

   portion 
  of 
  4:7:15:8:12; 
  third 
  segment 
  not 
  swollen, 
  pit 
  absent. 
  

  

  Thorax 
  pale 
  green; 
  mesonotum 
  with 
  median 
  third 
  of 
  anterior 
  margin 
  

   shining 
  brownish 
  black, 
  forming 
  a 
  broad, 
  V-shaped 
  mark 
  caudad, 
  the 
  

   sides 
  of 
  mesonotum 
  broadly 
  dark 
  to 
  ends 
  of 
  scutellum, 
  and 
  the 
  median 
  

   area 
  between 
  the 
  dark 
  bands 
  yellowish. 
  Vestiture 
  consisting 
  of 
  a 
  few 
  

   long, 
  brown 
  bristles; 
  scutellum 
  with 
  four 
  weak, 
  marginal 
  bristles. 
  

   Postscutellum 
  and 
  a 
  faint 
  pleural 
  spot 
  brown. 
  Legs 
  whitish, 
  hind 
  

   femur 
  and 
  tibia 
  with 
  very 
  faint 
  dark, 
  apical 
  spot. 
  Proportions 
  of 
  

   segments 
  of 
  hind 
  leg 
  as 
  in 
  table 
  1 
  ; 
  basitarsus 
  without 
  spines, 
  fifth 
  seg- 
  

  

  