﻿OBSERVATIONS 
  ON 
  SCALE-INSECTS. 
  177 
  

  

  strongly 
  developed 
  clypeus 
  in 
  this 
  Coccid 
  it 
  is 
  unique, 
  and 
  is 
  probably 
  homologous 
  

   with 
  that 
  of 
  certain 
  members 
  of 
  the 
  Fulcoridea 
  belonging 
  to 
  the 
  genus 
  Cixius 
  

   and 
  other 
  allied 
  forms. 
  

  

  Aspidoproctus 
  gowdeyi, 
  sp. 
  nov. 
  

  

  Female 
  adult. 
  Completely 
  covered 
  dorsally 
  with 
  a 
  thick 
  and 
  densely 
  felted 
  layer 
  

   of 
  dusky 
  white 
  and 
  pale 
  yellow 
  wax 
  ; 
  the 
  wax 
  more 
  or 
  less 
  divided 
  into 
  segments 
  

   corresponding 
  to 
  the 
  segmentation 
  of 
  the 
  body. 
  Venter 
  pale 
  castaneous, 
  slightly 
  

   mealy 
  and 
  in 
  parts 
  covered 
  with 
  white 
  woolly 
  filaments. 
  Legs 
  pitchy 
  red. 
  

   Marsupium 
  well 
  developed, 
  the 
  secretionary 
  operculum 
  wanting, 
  but 
  apparently 
  

   broken 
  away. 
  

  

  ±<& 
  

  

  Fig. 
  2. 
  Aspidoproctus 
  

  

  gowdeyi, 
  Newst., 
  sp. 
  n., 
  

  

  ^ 
  genital 
  armature. 
  

  

  Male. 
  In 
  dry 
  specimens 
  the 
  body 
  is 
  uniformly 
  black 
  or 
  piceous. 
  Wings 
  very 
  

   dark 
  smoky 
  brown 
  or 
  blackish 
  ; 
  costa 
  black, 
  subcostal 
  vein 
  dull 
  crimson 
  ; 
  forked 
  

   pseudo-vein 
  dull 
  white 
  and 
  very 
  conspicuous. 
  Halteres 
  with 
  4-5 
  strongly 
  hooked 
  

   bristles. 
  Body 
  mealy. 
  On 
  maceration 
  in 
  KOH 
  the 
  softer 
  parts 
  of 
  the 
  integument 
  

   change 
  to 
  dull 
  crimson 
  ; 
  the 
  sclerites 
  and 
  also 
  the 
  legs 
  and 
  antennae., 
  piceous. 
  The 
  

   single 
  pair 
  of 
  central 
  processes 
  well 
  developed 
  ; 
  terminal 
  bristles 
  varying 
  in 
  length 
  

   and 
  thickness, 
  the 
  longest 
  about 
  four 
  times 
  the 
  length 
  of 
  the 
  process. 
  Genital 
  

   armature 
  (fig. 
  2) 
  shaped 
  somewhat 
  like 
  a 
  flask 
  or 
  ampulla 
  in 
  minature 
  ; 
  the 
  proximal 
  

   portion 
  broadest 
  ; 
  near 
  the 
  centre 
  of 
  the 
  dilated 
  proximal 
  portion 
  is 
  a 
  shallow 
  saucer- 
  

   shaped 
  appendage 
  suspended 
  to 
  the 
  walls 
  of 
  a 
  large, 
  ovate, 
  chitinous 
  ring 
  ; 
  distal 
  

   portion 
  cylindrical 
  and 
  densely 
  chitinised. 
  Intromittent 
  organ 
  not 
  observed. 
  

  

  Uganda 
  : 
  Kampala, 
  on 
  plumbago 
  and 
  rose, 
  15.x. 
  1918 
  (C. 
  C. 
  Gowdey). 
  

  

  The 
  males 
  hatched 
  apparently 
  during 
  transit 
  through 
  the 
  post 
  and 
  were 
  rather 
  

   badly 
  crumpled 
  and 
  otherwise 
  injured. 
  

  

  Walkeriana 
  digiiifrons, 
  sp. 
  nov. 
  

  

  Female, 
  adult 
  (Plate 
  xvi, 
  fig. 
  3). 
  Stationary. 
  Somewhat 
  pyriform. 
  narrowest 
  in 
  

   front 
  ; 
  highly 
  convex 
  and 
  sloping 
  gradually 
  towards 
  the 
  cephalic 
  margin. 
  Dorsum 
  

   more 
  or 
  less 
  covered 
  with 
  an 
  easily 
  deciduous 
  layer 
  of 
  white 
  or 
  pale 
  buff-white, 
  

   granular 
  wax 
  ; 
  margin 
  with 
  relatively 
  robust, 
  coalescing 
  plates 
  of 
  white 
  wax, 
  which, 
  

   when 
  perfect, 
  are 
  distinctly 
  laminated 
  transversely 
  ; 
  cephalic 
  margin 
  with 
  a 
  short 
  

   stout, 
  centrally 
  placed, 
  cylindrical 
  process. 
  Integument 
  very 
  hard, 
  dark 
  castaneous 
  

   or 
  piceous; 
  margin, 
  when 
  denuded, 
  with 
  a 
  series 
  of 
  large 
  blunt 
  tooth4ike 
  projections 
  

   or 
  tubercles, 
  arranged 
  rather 
  widely 
  apart 
  ; 
  dorsum 
  with 
  3-4 
  bilateral 
  rows 
  of 
  gland 
  

   pits, 
  in 
  which 
  the 
  granular 
  wax 
  generally 
  remains 
  more 
  or 
  less 
  intact 
  ; 
  abdominal 
  

   <C605) 
  g2 
  

  

  