﻿( 
  473 
  ) 
  

  

  XIX. 
  Neiv 
  species 
  of 
  Heterocera 
  from 
  the 
  Khasia 
  Hills. 
  

   Part 
  I. 
  By 
  Colonel 
  Charles 
  Swinhoe, 
  F.L.S., 
  

   F.Z.S., 
  &c. 
  

  

  [Bead 
  July 
  1st, 
  1891.] 
  

  

  Plate 
  XIX. 
  

  

  BOMBYCES. 
  

  

  SYNTOMIDiE. 
  

   Hydrusa, 
  Walker, 
  ii., 
  p. 
  255 
  (1854). 
  

   1. 
  Hydrusa 
  era, 
  n. 
  sp. 
  (PL 
  XIX., 
  fig. 
  15). 
  

   <y 
  . 
  Palpi 
  and 
  antennae 
  black, 
  tips 
  of 
  antennae 
  white 
  above 
  ; 
  

   frons, 
  head, 
  and 
  body 
  bright 
  ochreous 
  ; 
  space 
  between 
  the 
  antennae, 
  

   a 
  thin 
  line 
  behind, 
  three 
  longitudinal 
  stripes 
  on 
  thorax, 
  segmental 
  

   bands 
  on 
  abdomen, 
  and 
  tips 
  of 
  abdomen, 
  deep 
  black. 
  Wings 
  

   hyaline, 
  veins 
  broadly 
  ochreous, 
  a 
  blackish 
  limular 
  mark 
  in 
  the 
  

   ochreous 
  band 
  on 
  disco-cellular 
  vein 
  of 
  fore 
  wings, 
  and 
  some 
  black 
  

   atoms 
  on 
  the 
  outer 
  ochreous 
  veinlets 
  of 
  both 
  wings 
  ; 
  the 
  whole 
  

   space 
  below 
  submedian 
  vein 
  on 
  fore 
  wings 
  and 
  above 
  subcostal 
  

   vein 
  on 
  hind 
  wings 
  ochreous 
  ; 
  costal 
  and 
  inner 
  margins, 
  and 
  mar- 
  

   ginal 
  band 
  on 
  both 
  wings 
  deep 
  black, 
  the 
  inner 
  border 
  of 
  the 
  latter 
  

   irregular 
  and 
  deepest 
  at 
  the 
  apices. 
  Under 
  side 
  : 
  wings 
  and 
  body 
  

   coloured 
  and 
  banded 
  as 
  above, 
  slighly 
  paler, 
  and 
  bands 
  thinner 
  on 
  

   abdoraen 
  ; 
  legs 
  black, 
  striped 
  with 
  ochreous 
  grey. 
  Expanse 
  of 
  

   wings 
  ItI 
  in. 
  

  

  One 
  specimen. 
  

  

  Somewhat 
  resembles 
  Syntomis 
  grotei, 
  Moore, 
  in 
  colora- 
  

   tion 
  and 
  markings, 
  and 
  has 
  the 
  same 
  peculiar 
  ochreous 
  

   tinge 
  and 
  black 
  anal 
  tip. 
  

  

  2. 
  Hydrusa 
  haicea, 
  n. 
  sp. 
  (PI. 
  XIX., 
  fig. 
  10). 
  

  

  $ 
  ? 
  . 
  Palpi 
  and 
  antennae 
  black, 
  antennae 
  white 
  above 
  towards 
  

   the 
  tips 
  ; 
  frons, 
  head, 
  and 
  body 
  bright 
  ochreous 
  ; 
  space 
  between 
  

   the 
  antennae, 
  a 
  thin 
  band 
  behind, 
  three 
  longitudinal 
  stripes 
  on 
  

   thorax, 
  which 
  meet 
  in 
  a 
  band 
  before 
  and 
  behind, 
  segmental 
  bands 
  

   on 
  abdomen, 
  and 
  extreme 
  tip, 
  deep 
  black. 
  Wings 
  mostly 
  hyaline, 
  

   with 
  black 
  veins 
  and 
  borders. 
  Fore 
  wings 
  with 
  the 
  costal 
  line 
  

  

  TRANS. 
  ENT. 
  SOC. 
  LOND. 
  1891. 
  — 
  PART 
  IV. 
  (DEC.) 
  2 
  K 
  

  

  