﻿180 
  Mr. 
  W. 
  Schaus 
  on 
  

  

  vein 
  2. 
  Hind 
  wings 
  : 
  the 
  apex 
  and 
  inner 
  margin 
  more 
  

   broadly 
  black. 
  

  

  Expanse 
  25 
  mm. 
  

  

  Hab. 
  Juan 
  Vinas. 
  

  

  Argyroeides 
  sjyectrum, 
  sp. 
  n. 
  

  

  Antenna? 
  reddish 
  brown, 
  the 
  pectinations 
  black. 
  Body 
  

   above 
  black 
  ; 
  a 
  transverse 
  buff 
  streak 
  behind 
  metathorax. 
  

   Abdomen 
  : 
  a 
  lateral 
  white 
  streak 
  on 
  three 
  basal 
  segments 
  ; 
  a 
  

   ventral 
  white 
  streak. 
  Thorax 
  below 
  with 
  some 
  white 
  streaks. 
  

   Legs 
  light 
  brown. 
  Wings 
  hyaline. 
  Fore 
  wings 
  : 
  the 
  veins, 
  

   base 
  of 
  inner 
  margin, 
  outer 
  half 
  of 
  costal 
  margin, 
  and 
  cilia 
  

   light 
  reddish 
  brown 
  ; 
  the 
  outer 
  margin 
  from 
  above 
  vein 
  4 
  to 
  

   apex 
  narrowly 
  dark 
  brown, 
  irrorated 
  with 
  light 
  reddish 
  brown. 
  

   Hind 
  wings 
  : 
  the 
  outer 
  margin 
  from 
  before 
  vein 
  3 
  to 
  apex 
  

   broadly 
  dark 
  brown. 
  

  

  Expanse 
  28 
  mm. 
  

  

  Hub, 
  Volcano 
  Poas. 
  

  

  Chrysostola 
  mellita, 
  sp. 
  n. 
  

  

  Palpi, 
  head, 
  collar, 
  and 
  thorax 
  black 
  ; 
  opalescent 
  lilacine 
  

   purple 
  spots 
  on 
  vertex 
  and 
  tegula? 
  in 
  front. 
  Abdomen 
  : 
  first 
  

   segment 
  above 
  black, 
  mixed 
  with 
  yellow 
  hairs 
  dorsally; 
  

   segments 
  2-5 
  yellow; 
  last 
  segments 
  black, 
  shot 
  with 
  lilacine 
  

   purple 
  ; 
  underneath 
  yellow, 
  except 
  last 
  two 
  segments, 
  which 
  

   are 
  black. 
  Thorax 
  below 
  and 
  legs 
  yellow 
  ; 
  tarsi 
  black. 
  

   Wings 
  hyaline. 
  Fore 
  wings 
  : 
  the 
  basal 
  half 
  of 
  costal 
  mar- 
  

   gin 
  and 
  veins, 
  also 
  inner 
  margin 
  to 
  near 
  tornus, 
  yellow, 
  

   irrorated 
  with 
  black 
  at 
  base 
  ; 
  the 
  outer 
  half 
  of 
  veins 
  and 
  

   margins 
  otherwise 
  finely 
  black 
  ; 
  the 
  apex 
  broadly 
  black 
  ; 
  a 
  

   black 
  streak 
  on 
  discocellular. 
  Hind 
  wings 
  : 
  costal 
  margin, 
  

   veins, 
  and 
  inner 
  margin 
  yellow, 
  the 
  latter 
  with 
  some 
  fuscous 
  

   hairs; 
  the 
  apex 
  broadly 
  black, 
  narrowing 
  to 
  vein 
  2; 
  the 
  

   veins 
  black 
  close 
  to 
  black 
  area. 
  

  

  Expanse 
  30 
  mm. 
  

  

  IJab. 
  Sixola. 
  

  

  Ecdemus 
  obscuration, 
  sp. 
  n. 
  

  

  Palpi 
  ochreous 
  and 
  white 
  at 
  base, 
  otherwise 
  black, 
  streaked 
  

   with 
  white 
  in 
  front 
  ; 
  some 
  ochreous 
  below 
  and 
  at 
  sides 
  of 
  

   eyes. 
  Antennee 
  black, 
  irrorated 
  witli 
  white 
  at 
  tips. 
  Collar 
  

   and 
  thorax 
  black. 
  Abdomen 
  blue-black 
  above, 
  white 
  ven- 
  

   trally 
  ; 
  coxa3 
  white 
  ; 
  some 
  whitish 
  streaks 
  on 
  legs. 
  Fore 
  

   wings 
  black, 
  the 
  veins 
  distinct 
  ; 
  a 
  hyaline 
  streak 
  above 
  and 
  

   below 
  median 
  vein, 
  with 
  short 
  streaks 
  between 
  veins 
  2-5, 
  

  

  