﻿NO. 
  19G6. 
  SYNOPSIS 
  OF 
  NEOTROPICAL 
  LniNOBINM— 
  ALEXANDER. 
  529 
  

  

  Habitat 
  — 
  HoJotype. 
  — 
  Male, 
  Igarape 
  Assu, 
  Para, 
  Brazil; 
  February 
  4, 
  

   1912 
  (Parish). 
  Allotype. 
  — 
  Female, 
  Igarape 
  Assti, 
  Para, 
  Brazil; 
  F'eb- 
  

   ruary 
  7, 
  1912 
  (Parish). 
  Paratype.— 
  Female, 
  Igarape 
  Assti, 
  Para, 
  

   Brazil; 
  January 
  19, 
  1912 
  (Parish). 
  

  

  Types. 
  — 
  In 
  Cornell 
  University 
  collection. 
  

  

  Paratype. 
  — 
  In 
  author's 
  collection. 
  

  

  POLYMERA 
  CONJUNCTA, 
  new 
  species. 
  

  

  Size 
  small 
  ; 
  flagellar 
  segments 
  of 
  the 
  antennae 
  bi-nodose 
  ; 
  wing 
  with 
  

   cell 
  Mj 
  absent; 
  Mg 
  +Cui 
  longer 
  than 
  M3 
  alone; 
  tarsi 
  not 
  lighter 
  colored 
  

   than 
  the 
  tibiae; 
  thoracic 
  pleurae 
  unicolorous 
  with 
  the 
  dorsum. 
  

  

  Male. 
  — 
  Length 
  (abdomen 
  unbroken) 
  ; 
  female, 
  2.8 
  mm. 
  ; 
  wing, 
  male, 
  

   3.5 
  mm. 
  

  

  Female. 
  — 
  Length, 
  3 
  mm. 
  ; 
  antennae, 
  male, 
  4.4 
  mm. 
  

  

  Male. 
  — 
  Antennae 
  dark 
  brownish-black, 
  not 
  annulated, 
  the 
  flagellar 
  

   segments 
  bi-nodose, 
  deeply 
  but 
  broadly 
  constricted 
  medially; 
  a 
  group 
  

   of 
  outstretched 
  hairs 
  extending 
  from 
  each 
  node. 
  

  

  Thorax 
  light 
  brown, 
  rather 
  yello-wish 
  ; 
  mesothoracic 
  postnotum 
  

   dark 
  colored; 
  pleurae 
  not 
  clearly 
  darker 
  than 
  the 
  rest 
  of 
  the 
  thorax. 
  

   Ilalteres 
  pale. 
  Legs 
  brown, 
  the 
  tarsi 
  not 
  paler, 
  excepting 
  the 
  poste- 
  

   rior 
  tarsi, 
  which 
  are 
  rather 
  paler 
  brown. 
  

  

  Wings 
  light 
  brownish-gray. 
  Venation: 
  Sc 
  short, 
  Sci 
  ending 
  

   slightly 
  before, 
  or 
  opposite 
  to, 
  the 
  fork 
  of 
  Rs; 
  Rs 
  rather 
  square 
  at 
  

   its 
  origin; 
  R2+3 
  long; 
  basal 
  deflection 
  of 
  R4+5 
  long. 
  M^+j 
  fused 
  

   to 
  the 
  wing 
  margin. 
  Cui 
  -I-M3 
  much 
  longer 
  than 
  M3 
  alone. 
  Basal 
  

   deflection 
  of 
  Cui 
  slightly 
  before, 
  or 
  opposite 
  to, 
  the 
  fork 
  of 
  M. 
  

   (See 
  fig. 
  7.) 
  

  

  Abdomen 
  brown, 
  darker 
  than 
  the 
  thorax. 
  

  

  Female. 
  — 
  Antennae 
  short, 
  segments 
  simple, 
  brown; 
  coloration 
  as 
  

   in 
  the 
  male. 
  Venation 
  as 
  in 
  the 
  male, 
  but 
  cross 
  vein 
  r 
  inserted 
  

   nearer 
  to 
  the 
  fork 
  of 
  R2+3, 
  and 
  Rg 
  is 
  almost 
  at 
  a 
  right 
  angle 
  to 
  R3 
  

   at 
  its 
  origin. 
  

  

  HaUiat 
  — 
  Holotype.—Male, 
  Igarape 
  Assu, 
  Para, 
  Brazil, 
  Feb. 
  4, 
  1912 
  

   (Parish). 
  Allotype. 
  — 
  Female 
  Igarape 
  Assu, 
  Para, 
  Brazil, 
  Feb. 
  4, 
  1912 
  

   (Parish). 
  

  

  Types. 
  — 
  In 
  Cornell 
  University 
  collection. 
  

  

  POLYMERA 
  OBSCURA 
  Macquart. 
  

  

  Polymera 
  obscura 
  Macquart, 
  Dipt. 
  Exot., 
  vol. 
  1, 
  pt. 
  1, 
  1838, 
  p. 
  65, 
  pi. 
  8. 
  — 
  

   WiLLisTON, 
  Trans. 
  Ent. 
  See. 
  Lond., 
  1896, 
  p. 
  297. 
  — 
  Hunter, 
  Trans. 
  Amer. 
  

   Ent. 
  Soc, 
  vol. 
  26, 
  1900, 
  p. 
  292.— 
  Alexander, 
  Psyche, 
  1911, 
  p. 
  200. 
  

  

  Polymera/usca 
  Kertesz, 
  Cat. 
  Dipt., 
  vol. 
  2, 
  1902, 
  p. 
  242. 
  

  

  Male. 
  — 
  Length, 
  5.2 
  mm.; 
  wing, 
  5.8 
  mm.; 
  antennae, 
  7.5 
  mm. 
  

   (about). 
  ; 
  hind 
  leg, 
  femur, 
  4.6 
  mm. 
  ; 
  tibia, 
  4.8 
  mm. 
  ; 
  middle 
  leg, 
  femur, 
  

   4.8 
  mm.; 
  tibia, 
  5.3 
  mm. 
  

  

  69077°— 
  Proc.N.M.vol.44— 
  13 
  34 
  

  

  