﻿HELEID 
  MIDGES, 
  GENUS 
  MONOHELEA 
  — 
  WIRTH 
  145 
  

  

  hind 
  tibia 
  with 
  broad 
  basal 
  and 
  apical 
  rings, 
  and 
  a 
  band 
  just 
  before 
  

   middle, 
  brown; 
  tarsi 
  dull 
  yellowish. 
  Proportions 
  of 
  segments 
  of 
  

   hind 
  legs 
  as 
  in 
  table 
  1; 
  hind 
  femur 
  and 
  tibia 
  with 
  rather 
  long 
  hairs; 
  

   hind 
  basitarsus 
  with 
  strong 
  basal 
  spine. 
  Claws 
  on 
  forelegs 
  long 
  and 
  

   equal, 
  nearly 
  as 
  long 
  as 
  fom-th 
  and 
  fifth 
  segments 
  combined; 
  midtarsi 
  

   broken 
  ; 
  on 
  hind 
  leg 
  a 
  single 
  long 
  claw 
  half 
  again 
  as 
  long 
  as 
  fifth 
  segment. 
  

  

  Wing 
  grayish 
  hyaline, 
  with 
  very 
  extensive 
  gray 
  maculations 
  as 
  in 
  

   figure; 
  maculations 
  of 
  hieroglyphica 
  type, 
  but 
  much 
  more 
  extensive, 
  

   with 
  an 
  extra 
  distal, 
  separate 
  spot 
  narrowly 
  connected 
  to 
  the 
  X-shaped 
  

   mark 
  in 
  cell 
  R5, 
  and 
  the 
  subapical 
  mark 
  in 
  cells 
  Mi 
  and 
  M2 
  quite 
  broad. 
  

   First 
  radial 
  cell 
  about 
  half 
  as 
  long 
  as 
  second; 
  macrotrichiae 
  very 
  ex- 
  

   tensive, 
  sparsely 
  covering 
  distal 
  third 
  of 
  wing 
  and 
  including 
  most 
  of 
  

   cell 
  M 
  3 
  4. 
  4 
  and 
  anal 
  cell. 
  Halteres 
  not 
  visible. 
  Abdomen 
  uniformly 
  

   dark, 
  pruinose 
  brown, 
  spermathecae 
  not 
  examined. 
  

  

  Types.—Holotjpe, 
  9, 
  USNM 
  61093, 
  Santa 
  Rosa 
  Island, 
  Escambia 
  

   County, 
  Florida, 
  Oct. 
  10, 
  1949, 
  Butler. 
  

  

  Remarks.-— 
  The 
  wing, 
  mesonotal, 
  and 
  leg 
  markings 
  are 
  so 
  distinctive 
  

   that 
  I 
  do 
  not 
  hesitate 
  to 
  describe 
  M. 
  (M.) 
  ornata 
  from 
  the 
  single 
  female. 
  

  

  8. 
  Monohelea 
  {Monohelea) 
  brasiliensis 
  Lane, 
  1948 
  

  

  Monohelea 
  brasiliensis 
  Lane, 
  Arq. 
  Fac. 
  Hig. 
  Saude 
  Pub. 
  Univ. 
  Sao 
  Paulo, 
  vol. 
  1, 
  

   p. 
  226, 
  1948 
  (9, 
  Brazil). 
  

  

  Description. 
  — 
  ^I 
  have 
  not 
  seen 
  this 
  species, 
  which 
  is 
  known 
  only 
  from 
  

   the 
  type 
  female. 
  Length 
  1.2 
  mm., 
  wing 
  1.3 
  mm.; 
  mesonotum 
  chest- 
  

   nut, 
  yellowish 
  on 
  sides 
  and 
  in 
  prescutellar 
  depression; 
  scutellum 
  

   whitish. 
  Legs 
  yellowish, 
  fore 
  femur 
  dark 
  at 
  base, 
  mudfemur 
  dark 
  on 
  

   basal 
  half; 
  fore 
  tibia 
  and 
  mid 
  tibia 
  dark 
  at 
  apices; 
  hind 
  femur 
  with 
  two 
  

   dark 
  rings, 
  one 
  at 
  apex 
  of 
  basal 
  third 
  and 
  one 
  in 
  middle, 
  hind 
  tibia 
  dark 
  

   at 
  base 
  and 
  apex 
  and 
  indistinctly 
  so 
  in 
  middle. 
  Hind 
  basitarsus 
  1.8 
  

   times 
  as 
  long 
  as 
  second 
  segment. 
  Wing 
  with 
  about 
  20 
  black 
  dots 
  in 
  

   addition 
  to 
  irregular 
  grayish 
  markings; 
  macrotrichiae 
  numerous 
  on 
  

   distal 
  third 
  of 
  wing; 
  first 
  radial 
  cell 
  slightly 
  over 
  half 
  as 
  long 
  as 
  

   second 
  (from 
  original 
  description). 
  

  

  Type. 
  — 
  In 
  collection 
  of 
  University 
  of 
  Sao 
  Paulo, 
  Brazil, 
  No. 
  6781, 
  

   9, 
  Brazil, 
  Rio 
  de 
  Janeiro, 
  Estrada 
  Rio-Sao 
  Paulo, 
  km. 
  47. 
  

  

  midnlineata 
  — 
  group 
  

  

  Diagnosis. 
  — 
  Wings 
  with 
  two 
  large 
  anterior 
  dark 
  patches 
  and 
  other 
  

   fainter 
  irregular 
  markings; 
  scutellum 
  dark 
  in 
  middle; 
  legs 
  dark 
  with 
  

   yellow 
  laiee 
  spots; 
  hind 
  legs 
  slender, 
  the 
  tarsi 
  long 
  and 
  unspined; 
  

   ninth 
  sternite 
  of 
  male 
  with 
  median, 
  convex 
  lobe 
  and 
  several 
  long 
  

   hairs, 
  aedeagus 
  long 
  and 
  narrow, 
  parameres 
  very 
  long, 
  with 
  sharp 
  

   apices. 
  

  

  