﻿Maskell. 
  — 
  On 
  some 
  Coccidge 
  in 
  New 
  Zealand. 
  197 
  

  

  Males 
  of 
  this 
  species 
  are 
  not 
  so 
  rare 
  as 
  in 
  some 
  others, 
  and 
  I 
  hope 
  before 
  

   long 
  to 
  have 
  a 
  perfect 
  specimen.* 
  

  

  Subsection 
  2. 
  — 
  Aspidiotds, 
  Bouche. 
  

  

  This 
  genus 
  is 
  characterised 
  by 
  a 
  round, 
  or 
  nearly 
  round, 
  puparium 
  ; 
  the 
  

   discarded 
  pellicles 
  are 
  in 
  the 
  middle, 
  and 
  usually 
  their 
  major 
  axes 
  are 
  inclined 
  

   to 
  each 
  other. 
  Several 
  species 
  are 
  known 
  in 
  Europe. 
  

  

  1. 
  Aspidiotns 
  epidendri, 
  Bouche. 
  

  

  This 
  is 
  a 
  well-known 
  species. 
  In 
  Mr. 
  Duncan's 
  hothouses 
  it 
  may 
  be 
  

   found 
  in 
  abundance 
  upon 
  the 
  Seaforthia 
  palm, 
  upon 
  Lcelia 
  anceps 
  and 
  other 
  

   orchids, 
  and 
  on 
  several 
  other 
  plants. 
  

  

  The 
  puparium 
  is 
  round, 
  flat, 
  of 
  a 
  dirty 
  white 
  colour, 
  sometimes 
  (as 
  on 
  

   the 
  wattle) 
  brownish 
  ; 
  the 
  pelUcles 
  in 
  the 
  centre 
  are 
  yellow 
  ; 
  the 
  fibres 
  

   run 
  in 
  interlacing 
  circles. 
  

  

  The 
  eggs 
  are 
  yellow 
  ; 
  the 
  young 
  insect 
  is 
  oval, 
  somewhat 
  broader 
  than 
  

   in 
  Mytilaspis 
  pomorum, 
  and 
  has 
  at 
  the 
  posterior 
  extremity 
  two 
  protruding 
  

   lobes 
  with 
  a 
  pair 
  of 
  very 
  minute 
  lobes 
  between 
  them. 
  

  

  As 
  a 
  rule, 
  the 
  insects 
  are 
  found 
  in 
  considerable 
  numbers, 
  in 
  colonies, 
  

   the 
  puparia 
  of 
  the 
  females 
  intermingled 
  with 
  the 
  young 
  and 
  with 
  the 
  

   cocoons 
  of 
  the 
  males. 
  

  

  The 
  pelhcle 
  of 
  the 
  second 
  stage 
  is 
  oval, 
  tapering 
  to 
  the 
  posterior 
  

   extremity. 
  

  

  The 
  adult 
  female 
  is 
  almost 
  round, 
  or 
  rather 
  in 
  the 
  shape 
  of 
  a 
  peg-top. 
  

   Plate 
  v., 
  figs. 
  6a 
  and 
  b, 
  show 
  the 
  insect 
  and 
  its 
  puparium. 
  The 
  curve 
  of 
  the 
  

   cephalic 
  portion 
  is 
  circular 
  and 
  smooth 
  ; 
  no 
  hairs 
  are 
  visible, 
  but 
  the 
  two 
  

   rudimentary 
  antenn® 
  can 
  be 
  seen. 
  The 
  abdominal 
  region 
  is 
  yellow, 
  ending 
  

   in 
  lobes 
  of 
  which 
  the 
  two 
  middle 
  ones 
  are 
  the 
  largest 
  ; 
  between 
  the 
  lobes 
  

   are 
  very 
  fine 
  hairs. 
  The 
  pygidium 
  has 
  four 
  groups 
  of 
  spinnerets 
  ; 
  the 
  two 
  

   upper 
  groups 
  have 
  from 
  eight 
  to 
  ten 
  openings, 
  the 
  two 
  lower 
  from 
  six 
  to 
  

   eight. 
  Many 
  single 
  spinnerets. 
  

  

  The 
  puparium 
  of 
  the 
  male 
  is 
  elongated, 
  cylindrical. 
  At 
  one 
  end 
  is 
  seen 
  

   the 
  pelhcle 
  of 
  the 
  first 
  stage. 
  The 
  male 
  escapes 
  from 
  this 
  cocoon, 
  when 
  

   perfect, 
  backwards. 
  This 
  mode 
  of 
  egress 
  is, 
  as 
  I 
  understand, 
  not 
  uncom- 
  

   mon 
  amongst 
  the 
  Coccidse. 
  

  

  In 
  the 
  pupa 
  stage 
  the 
  male 
  (plate 
  V., 
  fig. 
  6d) 
  exhibits 
  the 
  wings, 
  legs 
  

   and 
  abdominal 
  spike 
  coiled 
  up 
  to 
  fit 
  the 
  cocoon. 
  

  

  * 
  Since 
  ■writing 
  this 
  paper 
  I 
  have 
  obtained 
  a 
  specimen 
  of 
  the 
  adult 
  male. 
  The 
  wings 
  

   are 
  about 
  equal 
  in 
  length 
  to 
  the 
  body. 
  The 
  antennse 
  have 
  ten 
  joints, 
  of 
  which 
  the 
  two 
  

   first 
  are 
  very 
  short 
  and 
  thick, 
  the 
  rest 
  very 
  long 
  and 
  thin, 
  (jovered 
  with 
  hairs' 
  and 
  equal 
  

   to 
  each 
  other 
  with 
  the 
  exception 
  of 
  the 
  last 
  which 
  is 
  spindle-shaped. 
  These 
  antennae 
  

   resemble 
  those 
  of 
  the 
  male 
  of 
  Biaspls 
  gigas 
  described 
  below. 
  The 
  thoracic 
  band 
  is 
  

   inconspicuous. 
  The 
  legs 
  have 
  a 
  rather 
  large 
  tarsus 
  and 
  are 
  hairy. 
  

  

  