﻿286 
  On 
  Heteroeeva 
  from 
  Costa 
  Rica. 
  

  

  Hemiceras 
  torva 
  1 
  sp. 
  n. 
  

  

  Palpi 
  buff 
  in 
  front, 
  brown 
  behind. 
  Head 
  : 
  frons 
  lilacin© 
  

   brown 
  ; 
  a 
  white 
  band 
  behind 
  ; 
  vertex 
  white 
  irrorated 
  with 
  

   brown. 
  Collar 
  buff 
  shaded 
  with 
  brown 
  and 
  violaceous 
  be- 
  

   hind. 
  Thorax 
  violaceous 
  ; 
  patagia 
  ochreous 
  buff. 
  Abdomen 
  

   light 
  brown 
  above. 
  Body 
  yellowish 
  white 
  underneath. 
  Fore 
  

   wings 
  ochreous 
  buff; 
  a 
  fine 
  wavy 
  antemedial 
  line, 
  faintly 
  

   punctiform 
  on 
  veins 
  ; 
  a 
  small 
  brownish 
  spot 
  at 
  end 
  of 
  cell, 
  

   preceded 
  by 
  a 
  point 
  below 
  subcostal 
  ; 
  a 
  row 
  of 
  fuscous 
  points 
  

   on 
  veins 
  from 
  costa 
  at 
  2 
  mm. 
  from 
  apex 
  to 
  a 
  large 
  spot 
  on 
  

   inner 
  margin 
  at 
  excision, 
  this 
  spot 
  somewhat 
  reniform, 
  brown 
  

   broadly 
  edged 
  with 
  dark 
  violaceous 
  ; 
  the 
  lobe 
  and 
  excision 
  

   on 
  inner 
  margin 
  finely 
  edged 
  with 
  dark 
  violaceous 
  ; 
  a 
  sub- 
  

   terminal 
  dentate 
  pale 
  brownish 
  shade 
  from 
  vein 
  4 
  to 
  apex. 
  

   Hind 
  wings 
  brownish 
  white 
  ; 
  the 
  veins 
  terminally, 
  inner 
  and 
  

   outer 
  margins 
  more 
  distinctly 
  brown; 
  the 
  stigma 
  still 
  

   darker. 
  

  

  Expanse 
  41 
  mm. 
  

  

  Hah. 
  Sixola, 
  Guapiles. 
  

  

  Close 
  to 
  II. 
  vaJkeri, 
  Schs. 
  

  

  Hemiceras 
  zula, 
  sp. 
  n. 
  

  

  Head: 
  frons 
  reddish 
  brown; 
  vertex 
  grey 
  mottled 
  with 
  

   white. 
  Collar 
  and 
  thorax 
  greyish, 
  irrorated 
  with 
  reddish 
  

   brown. 
  Abdomen 
  above 
  fuscous 
  grey. 
  Body 
  below 
  whitish. 
  

   Fore 
  wings 
  silky 
  grey, 
  palest 
  on 
  costal 
  margin 
  ; 
  antemedial 
  

   line 
  fine, 
  dark 
  brown, 
  outwardly 
  oblique 
  across 
  cell, 
  indentate 
  

   below 
  cell, 
  then 
  outwardly 
  oblique 
  but 
  slightly 
  indentate 
  on 
  

   submedian, 
  with 
  black 
  points 
  at 
  subcostal 
  and 
  at 
  angles 
  ; 
  

   postmedial 
  very 
  fine, 
  brown, 
  lunular, 
  dentate 
  with 
  black 
  

   points 
  on 
  veins 
  ; 
  a 
  faint 
  silky 
  brown 
  shade 
  from 
  vein 
  2 
  to 
  

   inner 
  margin 
  crossed 
  by 
  postmedial 
  ; 
  some 
  faint 
  silky 
  brown 
  

   shades 
  on 
  outer 
  margin 
  ; 
  inner 
  margin 
  lobed 
  and 
  excised. 
  

   Hind 
  wings 
  greyish 
  brown 
  ; 
  a 
  whitish 
  shade 
  in 
  and 
  beyond 
  

   cell 
  ; 
  cilia 
  white, 
  opaque 
  spot 
  concolorous. 
  

  

  Expanse 
  42 
  mm. 
  

  

  The 
  female 
  has 
  pectinated 
  antenna;. 
  

  

  Expanse 
  46 
  mm. 
  

  

  Hab. 
  Tuis. 
  

  

  Distinguished 
  from 
  H. 
  deornala, 
  Wlk., 
  by 
  the 
  pectinated 
  

   antennas 
  in 
  the 
  female 
  and 
  the 
  more 
  angular 
  antemedial 
  

   line. 
  

  

  