﻿546 
  PROCEEDI^'aS 
  of 
  the 
  national 
  museum. 
  vol.44. 
  

  

  side 
  of 
  the 
  median 
  line, 
  and 
  a 
  broader 
  one 
  extending 
  from 
  behind 
  

   the 
  pseudosuture 
  back 
  to 
  the 
  transverse 
  suture. 
  The 
  venation 
  

   seems 
  to 
  be 
  almost 
  as 
  variable 
  as 
  in 
  the 
  northern 
  L. 
  lenta 
  Osten 
  

   Sacken, 
  

  

  Habitat. 
  — 
  Ilolotype. 
  — 
  Male, 
  Totonicipan, 
  Guatemala, 
  Central 
  Ameri- 
  

   can, 
  1902 
  (G. 
  Eisen). 
  Allotype. 
  — 
  Female 
  with 
  the 
  type. 
  Paratypes. 
  — 
  

   Three 
  males 
  with 
  the 
  type. 
  

  

  Type. 
  — 
  In 
  U. 
  S. 
  National 
  Museum 
  collection 
  (No. 
  14939). 
  

  

  LIMNOPmLA 
  CINERACEA 
  Phllippt. 
  

  

  Limnophila 
  cineracea 
  Philippi, 
  Verh. 
  Zool. 
  Bot. 
  Ges. 
  Wien., 
  vol. 
  15, 
  1865, 
  p, 
  

   611.— 
  Hunter, 
  Trans. 
  Amer. 
  Eilt. 
  Soc, 
  vol. 
  26, 
  1900, 
  p. 
  292.— 
  Kertesz, 
  Caf. 
  

   Dipt., 
  vol. 
  2, 
  1902, 
  p. 
  228. 
  

  

  Male. 
  — 
  Length, 
  G.5 
  mm.; 
  wing, 
  7.6 
  mm. 
  

  

  Head: 
  rostrum 
  black; 
  antennae 
  short, 
  the 
  segments 
  rounded 
  or 
  

   subglobular, 
  black; 
  front, 
  vertex 
  and 
  occiput 
  brown 
  with 
  a 
  light 
  

   gray 
  bloom: 
  numerous 
  long, 
  scattered 
  hairs 
  behind 
  the 
  eyes. 
  

  

  Thorax: 
  pronotum: 
  scutum 
  gray, 
  strongly 
  suffused 
  with 
  brown 
  in 
  

   the 
  middle; 
  scutellum 
  gray, 
  more 
  brownish 
  on 
  the 
  lateral 
  margins; 
  

   mesonotum: 
  pra^scutum 
  pale 
  brown 
  with 
  a 
  Ught 
  gray 
  bloom, 
  a 
  more 
  

   or 
  less 
  distinct 
  brown 
  stripe 
  along 
  the 
  middle, 
  extending 
  from 
  the 
  

   transverse 
  suture 
  almost 
  to 
  the 
  cephalic 
  margin 
  of 
  the 
  sclerite; 
  

   pseudo-suture 
  black, 
  comma-shaped; 
  tuberculate 
  pits 
  not 
  visible; 
  

   scutum, 
  scuteUum 
  and 
  post-no 
  turn 
  black, 
  dusted 
  with 
  light 
  grey; 
  

   pleurae 
  dark, 
  dusted 
  uniformly 
  with 
  light 
  gray. 
  Haltercs 
  pale 
  

   throughout. 
  Legs: 
  coxae 
  gray; 
  trochanters 
  yellowish-brown; 
  femora 
  

   brown, 
  more 
  yellowish 
  basaUy; 
  tibiae 
  and 
  tarsi 
  brown. 
  

  

  Wings 
  whitish, 
  subhyaline; 
  veins 
  brown; 
  a 
  very 
  pale, 
  ill-defined, 
  

   brown 
  stigma. 
  Venation: 
  Sc. 
  long, 
  extending 
  almost 
  to 
  the 
  fork 
  of 
  

   Rs.; 
  cross 
  vein 
  r^m 
  very 
  strongly 
  arcuated, 
  U-shaped; 
  cell 
  first 
  M, 
  

   long 
  and 
  narrow; 
  deflection 
  of 
  M3 
  longer 
  than 
  the 
  cross 
  vein 
  m; 
  basal 
  

   deflection 
  of 
  Cuj 
  in 
  under 
  cell 
  first 
  Mj. 
  

  

  Abdomen: 
  tergum 
  brown; 
  lateral 
  margins 
  of 
  the 
  sclerites 
  paler, 
  

   yellowish; 
  hypopygium 
  reddish 
  brown. 
  

  

  "Chile,"E. 
  C. 
  Reed, 
  coU. 
  

  

  Specimen 
  in 
  U. 
  S. 
  National 
  Museum 
  collection. 
  

  

  The 
  species 
  belongs 
  to 
  the 
  lenta 
  group 
  of 
  the 
  genus, 
  in 
  which 
  cell 
  

   M, 
  is 
  entirely 
  lacking, 
  

  

  LIMNOPmLA 
  GUTTULATISSIMA, 
  new 
  species. 
  

  

  Light 
  brown, 
  the 
  thorax 
  with 
  darker 
  spots; 
  legs 
  yellow; 
  wings 
  

   subhyaline, 
  with 
  abundant 
  brown 
  dots. 
  

  

  Male. 
  — 
  Length, 
  8.2 
  mm.; 
  wing, 
  10 
  mm.; 
  hind 
  leg, 
  femur, 
  7.5 
  mm.: 
  

   tibia, 
  8.4 
  mm.; 
  tarsus, 
  C.6 
  mm. 
  

  

  Head: 
  rostrum 
  and 
  palpi 
  dark 
  brownish-black; 
  antennae, 
  basal 
  

   segment 
  black, 
  remainder 
  broken. 
  Front 
  and 
  vertex 
  gray 
  with 
  a 
  

  

  