﻿SOME 
  CEYLON 
  COCClDAE. 
  267 
  

  

  Two 
  pectinae 
  between 
  the 
  median 
  lobes, 
  two 
  between 
  median 
  and 
  second 
  lobes, 
  

   and 
  about 
  eight 
  laterad 
  of 
  second 
  lobes 
  ; 
  groups 
  of 
  3, 
  2, 
  2, 
  2 
  on 
  margin 
  cephalad 
  

   of 
  these. 
  The 
  pectinae 
  are 
  somewhat 
  indefinite 
  in 
  shape, 
  but 
  some 
  are 
  distinctly 
  

   two-pronged 
  at 
  the 
  apex 
  and 
  chitinised 
  on 
  each 
  side 
  at 
  the 
  base. 
  

  

  On 
  the 
  edges 
  of 
  the 
  leaves 
  of 
  Mesua 
  ferrea 
  ; 
  very 
  inconspicuous. 
  

  

  When 
  mounted 
  the 
  insect 
  and 
  exuviae 
  are 
  not 
  infrequently 
  folded 
  longitudinally, 
  

   so 
  that 
  the 
  structure 
  of 
  the 
  pygidium 
  is 
  difficult 
  to 
  make 
  out. 
  

  

  In 
  the 
  broad, 
  lobe-like 
  pectinae 
  that 
  form 
  the 
  boundary 
  of 
  the 
  notch 
  containing 
  

   the 
  pore 
  the 
  insect 
  bears 
  a 
  strong 
  resemblance 
  to 
  species'of 
  Fiorinia. 
  The 
  puparium, 
  

   however, 
  is 
  not 
  quite 
  closed 
  and 
  the 
  broad, 
  marginal 
  pores 
  suggest 
  a 
  relationship 
  

   to 
  the 
  genus 
  Parlatoria. 
  

  

  Ceronema 
  koebeli, 
  Gr. 
  

  

  I 
  found 
  what 
  are 
  probably 
  insects 
  of 
  this 
  species 
  on 
  the 
  twigs 
  of 
  Pithecolobium 
  

   soman 
  at 
  Peradeniya 
  in 
  June. 
  The 
  male 
  scales 
  are 
  very 
  conspicuous, 
  being 
  white, 
  

   with 
  the 
  purplish 
  insect 
  shining 
  through. 
  Males 
  were 
  emerging. 
  The 
  costal 
  vein 
  

   stands 
  out 
  as 
  a 
  prominent 
  band 
  near 
  the 
  costal 
  margin 
  of 
  the 
  wing 
  and 
  stops 
  abruptly 
  

   before 
  the 
  apex 
  ; 
  it 
  looked 
  dark 
  brown 
  in 
  colour 
  rather 
  than 
  " 
  deep 
  red 
  " 
  (Green). 
  

   The 
  male 
  puparium 
  is 
  composed 
  of 
  14 
  plates. 
  

  

  The 
  males 
  were 
  observed 
  in 
  the 
  act 
  of 
  copulation. 
  The 
  copulatory 
  organ, 
  which 
  

   is 
  curved, 
  is 
  inserted 
  between 
  the 
  anal 
  plates. 
  During 
  copulation 
  the 
  antennae 
  are 
  

   vibrated 
  slightly 
  and 
  the 
  female 
  is 
  patted 
  with 
  the 
  first 
  pair 
  of 
  legs. 
  The 
  male 
  has 
  

   some 
  difficulty 
  in 
  orienting 
  himself 
  properly 
  and 
  seems 
  to 
  be 
  guided 
  at 
  least 
  partly 
  

   by 
  a 
  tactile 
  sense 
  in 
  the 
  copulatory 
  organ. 
  The 
  female 
  at 
  the 
  time 
  of 
  fertilisation 
  

   is 
  flat 
  and 
  inconspicuous, 
  owing 
  to 
  the 
  fact 
  that 
  the 
  underlying 
  bark 
  shows 
  through. 
  

   She 
  is 
  white 
  or 
  pinkish- 
  white, 
  and 
  the 
  white 
  of 
  the 
  spiracular 
  grooves 
  is 
  clearly 
  visible. 
  

   There 
  is 
  a 
  median, 
  dorsal, 
  longitudinal 
  rounded 
  ridge, 
  while 
  the 
  rest 
  of 
  the 
  surface 
  

   is 
  corrugated. 
  The 
  eyes 
  are 
  black 
  and 
  are 
  situated 
  well 
  caudad 
  of 
  the 
  anterior 
  

   margin. 
  The 
  insects 
  are 
  considerably 
  longer 
  than 
  broad, 
  oval 
  and 
  blunt 
  at 
  both 
  

   ends. 
  The 
  anal 
  plates 
  are 
  brownish 
  or 
  black. 
  In 
  this 
  stage 
  the 
  labial 
  curve 
  of 
  the 
  

   anal 
  plate 
  is 
  not 
  waved 
  as 
  in 
  Green's 
  figure 
  of 
  the 
  adult. 
  

  

  Adult 
  insects 
  were 
  also 
  present 
  with 
  eggs 
  and 
  larvae. 
  The 
  eggs 
  are 
  white 
  or 
  

   orange, 
  the 
  larvae 
  white 
  or 
  reddish 
  white 
  with 
  crimson 
  spots. 
  

  

  The 
  part 
  of 
  the 
  dorsum 
  that 
  becomes 
  denuded 
  of 
  wax 
  in 
  old 
  specimens 
  is 
  the 
  

   region 
  of 
  the 
  anal 
  scales 
  ; 
  it 
  is 
  black 
  and 
  shining 
  and 
  the 
  anal 
  scales 
  are 
  very 
  small. 
  

  

  The 
  antenna 
  in 
  the 
  specimens 
  examined 
  has 
  eight 
  segments, 
  of 
  which 
  the 
  third 
  

   is 
  the 
  longest. 
  The 
  fifth 
  segment 
  bears 
  a 
  long 
  slender 
  hair 
  which 
  reaches 
  well 
  towards 
  

   the 
  distal 
  end 
  of 
  the 
  seventh 
  segment. 
  The 
  polygonal 
  cells 
  of 
  the 
  derm 
  look 
  oval 
  

   when 
  the 
  specimen 
  has 
  been 
  subjected 
  to 
  prolonged 
  boiling 
  in 
  KOH. 
  The 
  stig- 
  

   matic 
  spines 
  are 
  nine 
  or 
  ten 
  in 
  number. 
  There 
  seem 
  to 
  be 
  ten 
  setae 
  on 
  the 
  anal 
  

   ring, 
  one 
  or 
  two 
  of 
  which, 
  however, 
  are 
  slender. 
  

  

  The 
  insect 
  is 
  subject 
  to 
  the 
  attack 
  of 
  Hymenopterous 
  parasites. 
  As 
  many 
  as 
  four 
  

   exit 
  holes 
  were 
  observed 
  in 
  one 
  scale. 
  Emergence 
  had 
  taken 
  place 
  before 
  the 
  test 
  

   had 
  been 
  fully 
  developed. 
  

  

  