﻿Heterocera 
  from 
  Costa 
  Rica. 
  73 
  

  

  tip. 
  Fore 
  wings 
  slightly 
  produced 
  at 
  apex 
  and 
  veins 
  4-5, 
  

   otherwise 
  crenulate. 
  Hind 
  wings 
  cvenulate, 
  slightly 
  pro- 
  

   duced 
  at 
  vein 
  4. 
  Head, 
  collar, 
  and 
  thorax 
  brown. 
  Abdomen 
  

   fuscous 
  brown 
  above. 
  Legs 
  with 
  long 
  grey 
  hairs 
  ; 
  tarsi 
  

   brown, 
  inwardly 
  paler. 
  Fore 
  wings 
  dull 
  brown, 
  shaded 
  with 
  

   blackish 
  grey 
  on 
  outer 
  margin 
  ; 
  the 
  basal 
  line 
  black, 
  out- 
  

   wardly 
  edged 
  with 
  white 
  ; 
  the 
  antemedial 
  lunular 
  black, 
  

   inwardly 
  edged 
  with 
  white 
  ; 
  the 
  orbicular 
  round, 
  black 
  

   circled 
  with 
  white; 
  a 
  dentate 
  lilacine 
  brown 
  shade 
  medially 
  

   from 
  cell 
  to 
  inner 
  margin, 
  preceded 
  and 
  followed 
  by 
  darker 
  

   brown 
  ; 
  the 
  reniform 
  large 
  outlined 
  with 
  white, 
  filled 
  in 
  with 
  

   light 
  and 
  dark 
  brown 
  ; 
  a 
  blackish 
  dentate 
  line 
  from 
  below 
  

   reniform 
  to 
  inner 
  margin, 
  slightly 
  edged 
  with 
  white 
  ; 
  the 
  

   postmedial 
  wavy 
  and 
  nearly 
  straight 
  to 
  inner 
  margin, 
  followed 
  

   by 
  white 
  and 
  lilacine 
  shades 
  on 
  costa 
  to 
  near 
  apex 
  ; 
  a 
  diffuse 
  

   dark 
  subterminal 
  shade 
  and 
  marginal 
  black 
  points. 
  Hind 
  

   wings 
  : 
  the 
  postmedial 
  space 
  below 
  cell 
  lighter 
  brown 
  ; 
  the 
  

   black 
  antemedial 
  line 
  followed 
  by 
  a 
  light 
  brown 
  shade; 
  the 
  

   medial 
  black, 
  geminate 
  on 
  costa, 
  coalescing 
  below 
  cell 
  to 
  

   inner 
  margin 
  ; 
  the 
  subterminal 
  geminate, 
  the 
  outer 
  part 
  very 
  

   broad 
  from 
  vein 
  5 
  to 
  inner 
  margin; 
  the 
  outer 
  margin 
  blackish 
  

   from 
  vein 
  4 
  to 
  anal 
  angle. 
  Underneath 
  dark 
  grey, 
  irrorated 
  

   with 
  white 
  and 
  with 
  oblique 
  darker 
  shades 
  and 
  wavy 
  lines 
  ; 
  

   the 
  postmedial 
  outwardly 
  shaded 
  with 
  white 
  ; 
  the 
  fore 
  wings 
  

   have 
  the 
  basal 
  half 
  above 
  fold 
  nearly 
  white 
  with 
  a, 
  few 
  dark 
  

   irrorations 
  ; 
  the 
  costal 
  margin 
  beyond 
  postmedial 
  and 
  above 
  

   vein 
  6 
  thickly 
  irrorated 
  with 
  white. 
  

  

  Expanse 
  42 
  mm. 
  

  

  Hab. 
  Tuis. 
  

  

  Focilla 
  terraba, 
  sp. 
  n. 
  

  

  Body 
  and 
  wings 
  lilacine 
  brown. 
  Fore 
  wings 
  : 
  outer 
  

   margin 
  deeply 
  incurved 
  between 
  apex 
  and 
  vein 
  4, 
  then 
  

   oblique 
  and 
  faintly 
  crenulate 
  ; 
  a 
  faint 
  black 
  basal 
  line; 
  ante- 
  

   medial 
  fine, 
  black, 
  consisting 
  of 
  clusters 
  of 
  scales 
  inset 
  in 
  

   cell 
  ; 
  a 
  small 
  black 
  spot 
  as 
  orbicular 
  ; 
  a 
  wavy, 
  geminate, 
  

   black 
  medial 
  line; 
  reniform 
  large, 
  indistinct, 
  partly 
  outlined 
  

   with 
  white 
  ; 
  postmedial 
  very 
  fine, 
  black, 
  wavy, 
  outcurved 
  to 
  

   vein 
  3, 
  then 
  inset 
  below 
  reniform 
  ; 
  outer 
  margin 
  below 
  vein 
  7 
  

   shaded 
  with 
  grey 
  ; 
  an 
  oblique 
  black 
  streak 
  from 
  vein 
  6 
  

   tapering 
  to 
  vein 
  3; 
  a 
  short 
  streak 
  above 
  it 
  from 
  7-5; 
  from 
  

   vein 
  3 
  to 
  tornus 
  the 
  margin 
  terminally 
  blackish, 
  on 
  which 
  

   the 
  marginal 
  points 
  are 
  yellow; 
  above 
  vein 
  3 
  the 
  marginal 
  

   points 
  are 
  white 
  shaded 
  with 
  black. 
  Hind 
  wings 
  produced 
  

   at 
  veins 
  7 
  and 
  4, 
  also 
  crenulate; 
  a 
  straight 
  roseate 
  line 
  from 
  

   apex 
  to 
  anal 
  angle, 
  preceded 
  by 
  a 
  broad 
  black 
  shade, 
  and 
  

  

  