﻿NO. 
  1966. 
  SYNOPSIS 
  OF 
  NEOTROPICAL 
  LIMN 
  OBINM— 
  ALEXANDER. 
  519 
  

  

  Male. 
  — 
  ^Length, 
  2.3 
  mm; 
  wing, 
  2.9 
  mm. 
  

  

  Female. 
  — 
  Length, 
  2.2-3.4 
  mm.; 
  wing, 
  3.9-4 
  mm. 
  

  

  Head: 
  rostrum 
  and 
  palpi 
  brown; 
  antennae, 
  two 
  basal 
  segments 
  

   dark 
  b^o^vn, 
  flagellum 
  brown 
  with 
  pale 
  hairs; 
  front 
  and 
  vertex 
  

   brown, 
  the 
  caudal 
  portion 
  of 
  the 
  vertex 
  and 
  the 
  occiput 
  dull 
  yellow. 
  

  

  Thorax: 
  pronotum 
  light 
  yellow 
  above, 
  on 
  sides 
  deep 
  brownish- 
  

   black 
  forming 
  a 
  U-shaped 
  mark 
  around 
  the 
  scutum. 
  Mesonotum: 
  

   extreme 
  lateral 
  edges 
  of 
  the 
  praescutum 
  pale 
  white, 
  pale 
  median 
  

   stripe 
  rather 
  broad, 
  grayish-yellow, 
  pale 
  lateral 
  stripes, 
  strongly 
  

   tinged 
  with 
  brown, 
  the 
  usual 
  brown 
  stripes, 
  broad, 
  distinct; 
  scutum 
  

   bro^vnish-yellow 
  with 
  four 
  brown 
  stripes; 
  scutellum 
  pale; 
  post- 
  

   notum 
  pale, 
  darker 
  caudad. 
  Tuberculate 
  pits 
  dark 
  brown, 
  sepa- 
  

   rated 
  from 
  one 
  another 
  by 
  a 
  distance 
  equal 
  to 
  from 
  one 
  and 
  one-half 
  

   to 
  two 
  times 
  the 
  diameter 
  of 
  either. 
  Pseudosuture 
  rather 
  deep, 
  

   elongate, 
  broadest 
  at 
  the 
  proximal 
  end, 
  pale 
  brown. 
  Pleurae 
  with 
  

   distinct 
  alternate 
  dark 
  and 
  pale 
  stripes, 
  there 
  being 
  thi-ee 
  brown 
  and 
  

   two 
  pale, 
  the 
  second 
  pale 
  band 
  is 
  broad, 
  silvery 
  white; 
  sternum 
  dull 
  

   gray. 
  Halteres 
  pale, 
  knob 
  brown. 
  Legs: 
  coxa 
  grayish; 
  trochanter 
  

   yellow; 
  femora 
  dark 
  yellow 
  with 
  a 
  narrow 
  brown 
  subapical 
  rmg; 
  

   tibiae 
  and 
  tarsi 
  yellow, 
  the 
  tarsal 
  segments 
  3 
  to 
  5 
  darker, 
  brownish. 
  

  

  Wings: 
  hyaline 
  unmarked; 
  veins 
  brown; 
  costa 
  more 
  yellowish; 
  

   an 
  indication 
  of 
  darker 
  along 
  vem 
  Cu. 
  (See 
  fig. 
  20.) 
  

  

  Abdomen: 
  tergum 
  dark 
  brown, 
  with 
  no 
  distinct 
  darker 
  median 
  

   stripe; 
  sternum 
  brown. 
  

  

  Habitat. 
  — 
  Holotype. 
  — 
  Male, 
  Bluefield, 
  Nicaragua, 
  November, 
  1900 
  

   (L. 
  A. 
  Wailes). 
  Allotype. 
  — 
  Female, 
  Cordoba, 
  Mexico, 
  December 
  25, 
  

   1907 
  (F. 
  Knab). 
  Paratypes. 
  — 
  One 
  female, 
  one 
  male, 
  Aguna, 
  Guate- 
  

   mala 
  (D. 
  G. 
  Eisen); 
  one 
  female, 
  Cordoba, 
  Mexico, 
  December 
  23, 
  1907 
  

   (F. 
  Knab). 
  

  

  Type. 
  — 
  In 
  U. 
  S. 
  National 
  Museum 
  collection 
  (No. 
  14926). 
  

  

  The 
  Guatemalan 
  specimens 
  are 
  very 
  small, 
  but 
  undoubtedly 
  belong 
  

   to 
  the 
  same 
  species. 
  

  

  ERIOPTERA 
  (MESOCYPHONA) 
  BICINCTIPES, 
  new 
  species. 
  

  

  Resembles 
  E. 
  immaculata 
  of 
  ]\lexico 
  and 
  Central 
  America 
  in 
  its 
  

   unspotted 
  wings. 
  It 
  differs 
  as 
  follows: 
  Flagellum 
  of 
  the 
  antennae 
  

   much 
  lighter 
  colored 
  (yellow) 
  than 
  the 
  brown 
  scape. 
  Thorax: 
  

   pronotum 
  hght 
  colored 
  (whitish) 
  with 
  a 
  V-shaped 
  mark 
  on 
  the 
  

   scutum, 
  very 
  conspicuous. 
  Mesonotum: 
  yellowish, 
  brown 
  stripes 
  

   not 
  clear 
  cut. 
  Femora 
  with 
  the 
  usual 
  subapical 
  brown 
  band 
  and 
  with 
  

   a 
  subequal 
  post-median 
  band, 
  this 
  latter 
  marking 
  less 
  strongly 
  

   indicated 
  on 
  tlie 
  forelegs. 
  

  

  Ten 
  specimens, 
  one 
  male, 
  nine 
  females. 
  

  

  