﻿OBSERVATIONS 
  ON 
  SCALE-INSECTS. 
  

  

  183 
  

  

  The 
  dorsum 
  and 
  venter 
  are 
  very 
  thinly 
  protected 
  with 
  white 
  powdery 
  wax, 
  this 
  

   secretion 
  adheres 
  to 
  the 
  food-plant, 
  but 
  readily 
  comes 
  away 
  from 
  the 
  insect 
  ; 
  beyond 
  

   the 
  body, 
  especially 
  in 
  the 
  posterior 
  region, 
  the 
  secretion 
  is 
  dense 
  and 
  completely 
  

   fills 
  the 
  narrow 
  space 
  between 
  the 
  stem 
  and 
  the 
  leaf-sheath. 
  The 
  general 
  of 
  facies 
  

   the 
  female, 
  together 
  with 
  the 
  secretionary 
  matter 
  (ovisac), 
  bears 
  a 
  striking 
  

   resemblance 
  to 
  Aclerda 
  berlesei, 
  Buff 
  a. 
  

  

  Fig. 
  6. 
  Antonina 
  vjaterstoni, 
  Newst., 
  sp. 
  n., 
  $ 
  ; 
  a, 
  terminal 
  seg- 
  

   ments 
  of 
  abdomen; 
  a 
  ± 
  , 
  terminal 
  segment 
  of 
  abdomen 
  with 
  anal 
  ring, 
  

   etc.; 
  b, 
  gland-pores 
  and 
  body 
  spines 
  ; 
  c, 
  marginal 
  gland-pores 
  ; 
  

   d, 
  dorsal 
  aspect 
  of 
  pupa 
  ; 
  e, 
  leg 
  i. 
  of 
  pupa 
  ; 
  /, 
  antenna 
  of 
  larva. 
  

  

  Male 
  (fig. 
  7, 
  a). 
  Rather 
  robust. 
  Head 
  almost 
  as 
  broad 
  as 
  the 
  thorax, 
  articula- 
  

   tion 
  faint. 
  Eyes 
  well 
  within 
  the 
  margin, 
  and 
  enclosed 
  by 
  two 
  longitudinal 
  curved 
  

   sclerites 
  ; 
  ocelli 
  slightly 
  smaller, 
  placed 
  between 
  the 
  antennae, 
  just 
  within 
  the 
  margin 
  

   of 
  the 
  frons, 
  ventrally. 
  Antennae 
  (fig. 
  7, 
  b) 
  of 
  nine 
  segments 
  ; 
  1st 
  and 
  2nd 
  very 
  robust; 
  

  

  