﻿544 
  PROCEEDINGS 
  OF 
  THE 
  NATIONAL 
  MUSEUM. 
  vol.44. 
  

  

  femora 
  yellow, 
  gradually 
  darker, 
  more 
  brownish, 
  toward 
  the 
  tip 
  of 
  

   the 
  segment; 
  remainder 
  of 
  the 
  legs 
  light 
  yellow. 
  

  

  Wings 
  hyaline; 
  cells 
  C, 
  Sc, 
  Scj, 
  first 
  Ri, 
  second 
  Rj, 
  Rj 
  and 
  the 
  ante- 
  

   rior 
  border 
  of 
  R 
  light 
  brown; 
  a 
  light 
  yellow 
  spot 
  near 
  the 
  djstal 
  end 
  of 
  

   ceUs 
  C 
  and 
  Sc; 
  a 
  clear 
  yellow 
  spot 
  on 
  the 
  basal 
  third 
  of 
  cell 
  Scj, 
  at 
  end 
  

   of 
  ceUs'second 
  Rj 
  and 
  Rj; 
  a 
  dark 
  brown 
  suffusion 
  at 
  the 
  end 
  of 
  veins 
  

   Sc 
  and 
  Scz, 
  R2, 
  R3 
  and 
  a 
  very 
  large 
  one 
  at 
  the 
  end 
  of 
  R^. 
  Remainder 
  

   of 
  the 
  wing 
  witli 
  light 
  brown 
  markings 
  as 
  follows: 
  along 
  the 
  cord, 
  

   in 
  cell 
  R3, 
  excepting 
  tliree 
  hyaline 
  spots 
  at 
  the 
  base, 
  at 
  the 
  first 
  

   quarter, 
  and 
  a 
  rectangular 
  spot 
  at 
  the 
  middle, 
  cell 
  R5, 
  apex 
  and 
  

   middle 
  brown; 
  a 
  brown 
  cloud 
  along 
  the 
  cross-vein 
  m 
  and 
  second 
  

   deflection 
  of 
  M^, 
  a 
  continuation 
  of 
  the 
  medial 
  band 
  in 
  cell 
  R5; 
  brown 
  

   marks 
  in 
  base 
  and 
  apex 
  of 
  cell 
  M^, 
  apex 
  of 
  cell 
  second 
  Mj; 
  apex 
  and 
  

   middle 
  of 
  Mg 
  ; 
  a 
  large 
  cloud 
  at 
  the 
  end 
  of 
  Cu, 
  and 
  first 
  A 
  ; 
  around 
  the 
  

   basal 
  deflection 
  of 
  Cu^, 
  at 
  the 
  fork 
  of 
  Rg, 
  and 
  two 
  eye-like 
  spots 
  in 
  

   the 
  middle 
  of 
  cell 
  Cu 
  and 
  above 
  the 
  end 
  of 
  second 
  anal. 
  Venation: 
  

   Sc 
  rather 
  long, 
  extending 
  to 
  opposite 
  the 
  fork 
  of 
  R2+3; 
  Scj 
  at 
  the 
  tip 
  

   of 
  Scj 
  ; 
  r 
  far 
  removed 
  from 
  the 
  tip 
  of 
  Rj 
  ; 
  R2+3 
  short, 
  rather 
  longer 
  than 
  

   the 
  basal 
  deflection 
  of 
  Cuj 
  ; 
  basal 
  deflection 
  of 
  R4+5 
  arcuated, 
  nearer 
  

   the 
  base 
  of 
  the 
  wing 
  than 
  the 
  rest 
  of 
  the 
  cord; 
  M^+a 
  beyond 
  7n 
  (i. 
  e., 
  

   petiole 
  of 
  cell 
  M^) 
  very 
  short, 
  shorter 
  than 
  the 
  cross-vein 
  r; 
  basal 
  

   deflection 
  of 
  Cuj 
  far 
  anterior 
  to 
  the 
  fork 
  of 
  M, 
  the 
  distance 
  that 
  M 
  

   is 
  fused 
  with 
  Cuj 
  greater 
  than 
  the 
  deflection 
  of 
  Cu^ 
  alone. 
  (See 
  fig. 
  ' 
  

   40.) 
  

  

  Abdomen: 
  tergum 
  brown, 
  bases 
  and 
  apices 
  of 
  segments 
  yeUow; 
  

   a 
  narrow, 
  transverse, 
  yeUow 
  band 
  near 
  the 
  middle 
  of 
  each 
  segment 
  

   interrupted 
  mediaUy, 
  forming 
  two 
  rectangular 
  spots; 
  on 
  segments 
  

   5-8 
  the 
  yeUow 
  bases 
  to 
  the 
  segments 
  are 
  not 
  evident, 
  but 
  are 
  re- 
  

   placed 
  by 
  small, 
  square 
  or 
  rounded 
  dots 
  at 
  the 
  latero-cephalic 
  margin 
  

   of 
  the 
  sclerites; 
  ovipositor 
  with 
  short 
  yellowish 
  valves; 
  sternum, 
  yel- 
  

   low, 
  with 
  a 
  broad, 
  brown 
  subbasal 
  blotch 
  on 
  each 
  sclerite, 
  triangular 
  

   on 
  its 
  anterior 
  margin. 
  

  

  Habitat. 
  — 
  Holotype. 
  — 
  Female, 
  Igarape 
  Assu, 
  Para, 
  Brazil; 
  January 
  

   30, 
  1912 
  (Parish, 
  coll.). 
  

  

  Type. 
  — 
  In 
  Cornell 
  University 
  collection. 
  

  

  LIMNOPHILA 
  NACREA, 
  new 
  species. 
  

  

  Color, 
  silvery 
  gray, 
  antennae 
  white, 
  excepting 
  segments 
  1, 
  2, 
  and 
  16, 
  

   which 
  are 
  dark. 
  

  

  Female. 
  — 
  Length, 
  8.2 
  mm.; 
  wing, 
  8.4 
  mm. 
  Head: 
  rostrum 
  and 
  

   palpi 
  dark 
  brown 
  ; 
  antennae 
  : 
  first 
  segment 
  short, 
  cylindrical, 
  second 
  

   of 
  the 
  same 
  diameter, 
  short, 
  flagellar 
  segments 
  elongate, 
  graduaUy 
  

   shorter 
  to 
  the 
  end, 
  with 
  a 
  few 
  long 
  hairs 
  on 
  the 
  basal 
  half 
  of 
  each 
  

   segment, 
  each 
  segment 
  being 
  covered 
  with 
  a 
  dense 
  pubescence, 
  two 
  

   scapal 
  segments 
  dark 
  brown, 
  third 
  segment 
  brownish 
  at 
  base. 
  

  

  