﻿Ileterocera 
  from 
  Costa 
  Rica. 
  361 
  

  

  inner 
  margin 
  deeply 
  lobed 
  on 
  basal 
  two-thirds 
  to 
  vein 
  2, 
  then 
  

   straight 
  to 
  tornus 
  at 
  vein 
  3, 
  silvery 
  white 
  ; 
  the 
  lobe 
  on 
  inner 
  

   margin 
  brown-grey 
  ; 
  the 
  costa 
  finely 
  ochreous. 
  Hind 
  wings 
  

   broad, 
  the 
  outer 
  margin 
  rounded, 
  silvery 
  white 
  ; 
  a 
  large 
  

   yellow 
  patch 
  of 
  androconia 
  at 
  base 
  in 
  cell, 
  covered 
  by 
  lobe 
  of 
  

   fore 
  wings 
  ; 
  some 
  buff 
  shadings 
  below 
  and 
  beyond 
  cell 
  to 
  

   near 
  apex 
  ; 
  a 
  postmeclial 
  brown-grey 
  shade 
  above 
  vein 
  2 
  ; 
  

   the 
  inner 
  margin 
  dull 
  white. 
  Fore 
  wings 
  below 
  white; 
  a 
  

   fuscous 
  streak 
  on 
  base 
  of 
  costa 
  ; 
  a 
  streak 
  of 
  cinnamon- 
  brown 
  

   androconia 
  below 
  cell 
  ; 
  the 
  medial 
  space 
  roughly 
  scaled, 
  

   yellow 
  ; 
  the 
  outer 
  margin 
  suffused 
  with 
  light 
  brownish 
  grey. 
  

   Hind 
  wings 
  below 
  black-brown 
  ; 
  some 
  ochreous 
  shadings 
  at 
  

   base 
  ; 
  the 
  inner 
  margin 
  white 
  ; 
  the 
  outer 
  margin 
  above 
  vein 
  3 
  

   shaded 
  with 
  white. 
  

  

  Expanse 
  35 
  mm. 
  

  

  Hab. 
  Juan 
  Vinas, 
  Sixola. 
  

  

  Belongs 
  to 
  a 
  new 
  section 
  near 
  A. 
  ai'geniea, 
  Wlk. 
  

  

  Balbura 
  fasciata 
  i 
  sp. 
  n. 
  

  

  Body 
  black 
  ; 
  the 
  patagia 
  roseate. 
  Fore 
  wings 
  light 
  buff- 
  

   brown; 
  the 
  submedian 
  fold, 
  costa, 
  and 
  inner 
  margin 
  finely 
  

   black; 
  some 
  roseate 
  at 
  base, 
  limited 
  by 
  a 
  black 
  shade; 
  a 
  

   fuscous 
  streak 
  on 
  costal 
  margin 
  and 
  one 
  in 
  cell 
  suffusing 
  at 
  

   end 
  of 
  cell 
  with 
  a 
  broad, 
  transverse, 
  medial, 
  fuscous 
  shade, 
  

   which 
  extends 
  from 
  costal 
  to 
  inner 
  margins 
  ; 
  long 
  terminal 
  

   black 
  intervenal 
  streaks 
  between 
  veins 
  3-7, 
  the 
  streak 
  between 
  

   5 
  and 
  6 
  extending 
  from 
  cell; 
  cilia 
  black. 
  Hind 
  wings 
  dark 
  

   brown. 
  Underneath 
  dark 
  brown. 
  

  

  Expanse 
  34 
  mm. 
  

  

  Hab. 
  Guapiles, 
  Sixola. 
  

  

  Differs 
  from 
  typical 
  Balbura 
  in 
  having, 
  on 
  hind 
  wings, 
  

   veins 
  4 
  and 
  5 
  from 
  lower 
  angle, 
  and 
  6 
  and 
  7 
  from 
  upper 
  

   angle 
  of 
  cell. 
  

  

  Balbura 
  intervenata, 
  sp. 
  n. 
  

  

  $ 
  . 
  Head, 
  collar, 
  and 
  abdomen 
  black. 
  Thorax 
  red 
  ; 
  the 
  

   patagia 
  fringed 
  with 
  black 
  outwardly. 
  Fore 
  wings 
  fuscous 
  

   brown 
  ; 
  the 
  inner 
  margin 
  broadly 
  black 
  ; 
  terminal 
  black 
  

   streaks 
  between 
  the 
  veins, 
  the 
  streak 
  between 
  5 
  and 
  6 
  from 
  

   within 
  cell. 
  Hind 
  wings 
  black 
  ; 
  the 
  cell, 
  below 
  and 
  beyond 
  

   it 
  semihyaline. 
  

  

  Expanse 
  27 
  mm. 
  

  

  Bab. 
  Sixola. 
  

  

  In 
  this 
  species 
  veins 
  4 
  and 
  5 
  on 
  hind 
  wings 
  are 
  from 
  lower 
  

   angle 
  of 
  cell. 
  

  

  Ann. 
  & 
  Mag. 
  N. 
  Hist. 
  Ser. 
  8. 
  Vol. 
  vii. 
  24 
  

  

  