﻿NO. 
  196G. 
  SYNOPSIS 
  OF 
  XEOTROPICAL 
  LIMNOBIX.^— 
  ALEXANDER. 
  517 
  

  

  gins 
  of 
  the 
  sclerite 
  wliite, 
  caiidad 
  of 
  this 
  broadly 
  brownish, 
  especially 
  

   behind; 
  the 
  stripe 
  confluent 
  in 
  front; 
  a 
  rather 
  broad 
  uniform 
  stripe 
  

   on 
  either 
  side 
  of 
  the 
  middle 
  Une; 
  tuberculate 
  pits 
  and 
  pseudosuture 
  

   very 
  pale, 
  reddish; 
  the 
  pseudo-suture 
  very 
  shallow, 
  not 
  prominent, 
  

   located 
  in 
  the 
  pale 
  patch 
  between 
  the 
  brown 
  prsescutal 
  stripes. 
  

   Scutum 
  yellowish-brown 
  with 
  four 
  stripes, 
  continuations 
  of 
  the 
  

   uninterrupted 
  prsescutal 
  stripes; 
  scutellum 
  and 
  post-notum 
  yellow- 
  

   Lsh-bro^vn, 
  the 
  latter 
  darker 
  medially. 
  Pleurse 
  light 
  brown 
  ; 
  a 
  narrow 
  

   white 
  obhque 
  stripe 
  runs 
  from 
  the 
  cervical 
  region 
  back 
  toward 
  the 
  

   wing-basis; 
  a 
  very 
  broad 
  white 
  area, 
  originating 
  behind 
  the 
  precoxa 
  

   runnmg 
  backward 
  obhquely 
  to 
  the 
  halteres, 
  narrowest 
  anteriorly. 
  

   Sternum 
  pale 
  greyish-brown 
  with 
  a 
  pale 
  stripe 
  across 
  the 
  post 
  and 
  

   meso 
  coxae. 
  Halteres 
  white 
  except 
  the 
  knob, 
  which 
  is 
  darker. 
  Legs: 
  

   coxae 
  and 
  trochanters 
  white; 
  femora 
  pale 
  yellowish, 
  palest 
  at 
  the 
  

   extremities, 
  with 
  an 
  mdistinct 
  brown 
  subapical 
  ring; 
  tibiae 
  and 
  tarsi 
  

   pale 
  yellowish-white, 
  last 
  two 
  tarsal 
  segments 
  darker. 
  

  

  Wings: 
  costal, 
  subcostal, 
  and 
  radial 
  cells 
  brown; 
  median, 
  cubital 
  

   and 
  anal 
  cells 
  grey; 
  about 
  sixteen 
  large 
  rounded 
  spots 
  on 
  the 
  wing 
  

   arranged 
  about 
  as 
  follows: 
  (1), 
  in 
  base 
  of 
  cell 
  R; 
  (2), 
  under 
  origin 
  

   of 
  Rs; 
  (3), 
  at 
  Sca; 
  (4), 
  at 
  tip 
  of 
  Sc^; 
  (5), 
  at 
  tip 
  of 
  R^; 
  (6), 
  at 
  fork 
  of 
  

   ^2+3'y 
  (7), 
  several 
  confluent 
  along 
  the 
  cord; 
  (8), 
  at 
  the 
  tip 
  of 
  each 
  

   of 
  the 
  longitudinal 
  veins; 
  (9), 
  at 
  fork 
  of 
  M^+g, 
  and 
  (10), 
  in 
  cell 
  R5. 
  

   (See 
  fig. 
  26.) 
  

  

  Abdomen: 
  brown 
  with 
  an 
  indistinct 
  darker 
  median 
  line 
  on 
  the 
  

   tergum. 
  

  

  Habitat. 
  — 
  Holotype. 
  — 
  Male, 
  Aguna, 
  Guatemala, 
  Central 
  America 
  

   (2,000 
  feet) 
  (G. 
  Eisen). 
  Allotype. 
  — 
  Female, 
  with 
  the 
  type. 
  Para- 
  

   tijpes. 
  — 
  Three 
  males, 
  three 
  females 
  with 
  the 
  type. 
  

  

  Type. 
  — 
  In 
  U. 
  S. 
  National 
  Museum 
  collection 
  (No. 
  14923). 
  

  

  ERIOPTERA 
  (MESOCYPHONA) 
  COSTALIS, 
  new 
  species. 
  

  

  Vertex 
  unicolorous, 
  clear 
  brown; 
  mesonotum 
  clear 
  brown, 
  narrowly 
  

   trivittate; 
  pleural 
  stripes 
  indistinct. 
  Legs 
  pale 
  except 
  a 
  narrow 
  

   subapical 
  band 
  on 
  femora; 
  costal 
  and 
  subcostal 
  cells 
  of 
  wings 
  dark 
  

   with 
  a 
  few 
  small 
  dots. 
  

  

  Male. 
  — 
  Length, 
  2.8 
  mm.; 
  wing, 
  2.9 
  mm. 
  Head: 
  rostrum 
  and 
  palpi 
  

   dark 
  brown; 
  antennae, 
  front, 
  vertex 
  and 
  occiput 
  clear 
  light 
  brown. 
  

  

  Thorax: 
  pronotum 
  light 
  yellow, 
  the 
  scutellum 
  rather 
  darker 
  me- 
  

   dially. 
  Mensonotu: 
  praescutum 
  uniformly 
  light 
  brown 
  with 
  three 
  

   very 
  narrow 
  mdistinct 
  dark 
  brown 
  Imes, 
  the 
  medial 
  one 
  beginning 
  at 
  

   the 
  cephalic 
  margin 
  of 
  the 
  sclerite, 
  continumg 
  backward, 
  passing 
  

   between 
  the 
  tuberculate 
  pits; 
  lateral 
  stripes 
  mdistinct 
  at 
  the 
  ends, 
  

   strongly 
  bent 
  proximad 
  near 
  the 
  middle 
  by 
  the 
  pseudosuture. 
  Tuber- 
  

   culate 
  pits 
  separated 
  from 
  one 
  another 
  by 
  a 
  distance 
  equal 
  to 
  one 
  and 
  

   one-half 
  the 
  diameter 
  of 
  either; 
  pits 
  black; 
  pseudosuture 
  elongate 
  

  

  