﻿Tleterocera 
  from 
  Costa 
  Rica. 
  77 
  

  

  Focilla 
  deterrimctj 
  sp. 
  n. 
  

  

  Body 
  and 
  wings 
  fuscous 
  brown 
  faintly 
  glossed 
  with 
  blue 
  

   and 
  violaceous. 
  Fore 
  wings 
  : 
  the 
  lines 
  black, 
  irregular, 
  

   almost 
  imperceptible; 
  an 
  antemedial, 
  medial, 
  and 
  postniedial 
  

   line, 
  the 
  latter 
  only 
  slightly 
  outcurved 
  ; 
  the 
  subterminal 
  only 
  

   vi-il>le 
  from 
  vein 
  5 
  to 
  tornus, 
  consisting 
  of 
  four 
  fine 
  wavy 
  

   lines 
  ; 
  marginal 
  black 
  points 
  ; 
  the 
  renifbrm 
  consisting 
  of 
  a 
  

   dark 
  annular 
  line; 
  fringe 
  light 
  brown 
  tipped 
  with 
  white. 
  

   Hind 
  wings 
  : 
  the 
  antemedial 
  and 
  postniedial 
  lines 
  nearly 
  

   straight 
  and 
  broad 
  ; 
  the 
  medial 
  line 
  finely 
  wavy 
  irrorated 
  

   with 
  grey 
  ; 
  from 
  angle 
  at 
  veiu 
  4 
  to 
  anal 
  angle 
  the 
  fringe 
  is 
  

   black, 
  above 
  vein 
  4 
  as 
  on 
  fore 
  wings. 
  Wings 
  below 
  light 
  

   brown 
  ; 
  a 
  black 
  point 
  in 
  cell 
  ; 
  a 
  medial 
  and 
  a 
  postniedial 
  

   black 
  line, 
  the 
  latter 
  outwardly 
  edged 
  with 
  white 
  in 
  places 
  ; 
  

   a 
  subterminal 
  dark 
  shade 
  on 
  hind 
  wings 
  ; 
  marginal 
  black 
  

   points. 
  

  

  Expanse 
  39 
  mm. 
  

  

  Hab. 
  Tuis. 
  

  

  Focilla 
  laloides, 
  sp. 
  n. 
  

  

  Head, 
  thorax, 
  and 
  wings 
  dark 
  brown 
  tinged 
  with 
  purplish, 
  

   and 
  thinly 
  irrorated 
  with 
  white 
  scales. 
  Abdomen 
  fuscous 
  

   brown 
  above. 
  Fore 
  wings 
  : 
  the 
  lines 
  darker 
  ; 
  the 
  antemedial 
  

   dentate 
  and 
  lunular, 
  mottled 
  with 
  grey 
  ; 
  a 
  medial 
  line 
  greyish 
  

   on 
  costa 
  only, 
  slightly 
  wavy 
  followed 
  by 
  a 
  fine 
  paler 
  shade 
  ; 
  

   the 
  postniedial 
  tine 
  dentate 
  lunular, 
  outcurved 
  around 
  cell, 
  

   followed 
  by 
  a 
  broad 
  bluish-grey 
  shade 
  irrorated 
  with 
  white 
  

   on 
  costa 
  ; 
  a 
  light 
  brown 
  subterminal 
  shade, 
  flecked 
  with 
  

   white 
  towards 
  costa, 
  broadly 
  shaded 
  with 
  fuscous 
  brown, 
  

   inwardly 
  on 
  costa 
  and 
  outwardly 
  at 
  tornus 
  ; 
  the 
  outer 
  margin 
  

   shaded 
  with 
  grey 
  and 
  thickly 
  irrorated 
  with 
  white 
  between 
  

   veins 
  3 
  and 
  5 
  ; 
  a 
  marginal 
  row 
  of 
  black 
  points 
  ; 
  renifbrm 
  

   large, 
  round, 
  grey 
  ; 
  fringe 
  brown, 
  tipped 
  with 
  white. 
  Hind 
  

   wings 
  darkest 
  on 
  outer 
  margin; 
  a 
  dark 
  medial 
  line; 
  an 
  

   irregular 
  postmedial 
  line 
  irrorated 
  with 
  grey 
  below 
  vein 
  6 
  

   and 
  followed 
  by 
  a 
  broad 
  bluish-grey 
  shade. 
  Underneath 
  

   light 
  brown 
  irrorated 
  with 
  dark 
  brown 
  ; 
  antemedial 
  and 
  post- 
  

   medial 
  lines 
  ; 
  a 
  geminate 
  subterminal 
  dark 
  shade 
  ; 
  black 
  

   marginal 
  points 
  ; 
  the 
  costal 
  margin 
  of 
  fore 
  wings 
  broadly 
  

   greyish. 
  

  

  Expanse 
  41 
  mm. 
  

  

  llab. 
  Tuis, 
  Juan 
  Vinas. 
  

  

  The 
  sexes 
  absolutely 
  similar. 
  

  

  The 
  species 
  is 
  allied 
  to 
  F. 
  lola, 
  Druce. 
  

  

  