﻿Ileterocera 
  from 
  Costa 
  Rica. 
  625 
  

  

  Hylesia 
  annulata, 
  sp. 
  n. 
  

  

  cJ 
  . 
  Palpi 
  light 
  brown, 
  streaked 
  with 
  dark 
  brown 
  behind 
  ; 
  

   frons 
  greyish 
  brown, 
  edged 
  laterally 
  with 
  ochreous 
  ; 
  collar 
  

   and 
  thorax 
  black, 
  with 
  a 
  few 
  scattered 
  hairs 
  ; 
  abdomen 
  

   dorsally 
  black, 
  subdorsally 
  golden 
  ochreous. 
  Fore 
  wings 
  

   brownish 
  grey 
  ; 
  the 
  inner 
  line 
  fuscous, 
  inwardly 
  shaded 
  with 
  

   greyish 
  buff' 
  on 
  costa, 
  outbent 
  in 
  cell, 
  limiting 
  a 
  light 
  brown 
  

   space 
  in 
  cell, 
  inset 
  below 
  cell, 
  deeply 
  outcurved 
  below 
  sub- 
  

   median 
  fold, 
  and 
  outbent 
  below 
  submedian, 
  partly 
  shaded 
  

   inwardly 
  with 
  light 
  brown, 
  where 
  crossing 
  a 
  fuscous 
  shade 
  

   which 
  extends 
  below 
  cell, 
  from 
  near 
  base 
  to 
  middle 
  of 
  wing 
  • 
  

   a 
  large 
  fuscous 
  annular 
  spot 
  at 
  end 
  of 
  cell 
  filled 
  in 
  with 
  

   light 
  brown 
  ; 
  the 
  outer 
  line 
  fine 
  dark 
  brown, 
  outwardly 
  edged 
  

   with 
  greyish 
  buff, 
  indicated 
  above 
  vein 
  7 
  by 
  a 
  fine 
  inbent 
  

   dark 
  line 
  ; 
  the 
  costa 
  apically 
  fuscous 
  ; 
  an 
  irregular 
  sub- 
  

   terminal 
  brownish 
  shade; 
  the 
  termen 
  darker 
  shaded 
  and 
  

   irrorated 
  with 
  olive-brown. 
  Hind 
  wings 
  olive-grey 
  ; 
  the 
  

   cell 
  and 
  inner 
  area 
  shaded 
  with 
  fuscous 
  ; 
  a 
  fuscous 
  line 
  on 
  

   discocellular, 
  surrounded 
  by 
  a 
  vague 
  round 
  shade 
  ; 
  a 
  fuscous 
  

   postmedial 
  line 
  and 
  rather 
  broad 
  subterminal 
  shade 
  ; 
  some 
  

   ochreous-buff 
  hairs 
  on 
  inner 
  margin. 
  

  

  Expanse 
  56 
  mm. 
  

  

  Ilab. 
  Sixola. 
  

  

  Hylesia 
  rosacea, 
  sp. 
  n. 
  

  

  <$ 
  . 
  Head, 
  collar, 
  and 
  thorax 
  olive-brown 
  ; 
  abdomen 
  dark 
  

   brown, 
  covered 
  with 
  ochreous 
  hairs. 
  Fore 
  wings 
  roseate 
  ; 
  a 
  

   dark 
  olive-brown 
  streak 
  at 
  base 
  of 
  inner 
  margin 
  ; 
  the 
  veins 
  

   finely 
  brownish 
  on 
  outer 
  half; 
  an 
  oblique 
  olive-brown 
  spot 
  

   on 
  discocellular; 
  a 
  fine 
  dark 
  postmedial 
  line; 
  a 
  marginal 
  

   brownish 
  shade 
  from 
  veins 
  7-3, 
  reaching 
  postmedial 
  below 
  

   vein 
  7, 
  and 
  tapering 
  to 
  vein 
  3 
  on 
  outer 
  margin. 
  Hind 
  wings 
  

   roseate, 
  darkest 
  on 
  inner 
  margin 
  ; 
  a 
  fine 
  postmedial 
  dark 
  

   line 
  ; 
  a 
  very 
  faint 
  postmedial 
  tine 
  shade. 
  The 
  apex 
  of 
  fore 
  

   wing 
  is 
  produced 
  and 
  somewhat 
  falcate. 
  

  

  Expanse 
  46 
  mm. 
  

  

  Hab. 
  Sixola. 
  

  

  Hylesia 
  hamata, 
  sp. 
  n. 
  

  

  <$ 
  . 
  Palpi 
  brown 
  ; 
  head, 
  collar, 
  and 
  thorax 
  black, 
  faintly 
  

   tinged 
  with 
  brown 
  ; 
  abdomen 
  ochreous. 
  Fore 
  wings 
  with 
  

   the 
  apex 
  falcate, 
  dark 
  lilacine, 
  the 
  apical 
  area 
  shaded 
  with 
  

   fuscous 
  ; 
  an 
  oblique 
  black 
  streak 
  from 
  base 
  of 
  costa 
  to 
  inner 
  

   margin 
  ; 
  a 
  fine 
  faint 
  darker 
  line 
  on 
  discocellular 
  ; 
  a 
  fine 
  dark 
  

   postmedial 
  line, 
  followed 
  by 
  a 
  less 
  distinct 
  fine 
  subterminal 
  

  

  