﻿124 
  

  

  DAVID 
  MILLER. 
  

  

  The 
  abdominal 
  segments 
  slightly 
  produced 
  laterally, 
  except 
  the 
  seventh 
  ; 
  the 
  

   lateral 
  hair 
  tufts 
  longer 
  on 
  the 
  anterior 
  segments. 
  

   Length 
  of 
  full-grown 
  larva 
  12-5 
  mm. 
  

  

  Pupa. 
  

  

  Thorax 
  with 
  a 
  distmct 
  pale 
  brown, 
  medio-longitudinal 
  keel-like 
  ridge, 
  divided 
  

  

  Fig. 
  20. 
  Thorax 
  of 
  pupa, 
  lateral 
  aspect. 
  

  

  iiwt 
  behind 
  the 
  head 
  ending 
  posteriorly 
  in 
  the 
  transversely 
  corrugated 
  area, 
  which 
  

   SS 
  but 
  nfeLt 
  each 
  Jnd. 
  where 
  it 
  joins 
  the 
  ^nteru. 
  and 
  poster^ 
  

   portion 
  of 
  the 
  median 
  ridge. 
  When 
  examined 
  from 
  above 
  he 
  corrugated^ 
  area 
  » 
  

   broader 
  anteriorly 
  and 
  narrows 
  posteriorly 
  where 
  the 
  median 
  n^dge 
  rao. 
  he 
  

   posterior 
  section 
  of 
  the 
  ridge 
  is 
  crescentic 
  but 
  much 
  loj«8»dk^ 
  than 
  the 
  an 
  tenor 
  

   ending 
  some 
  distance 
  before 
  the 
  posterior 
  margin 
  of 
  the 
  thorax 
  the 
  e£^**n 
  

   sections 
  of 
  this 
  ridge 
  is 
  supported 
  by 
  a 
  _somew 
  h 
  a 
  tlncken^ 
  magn. 
  On 
  ~ch 
  s^e 
  

   of 
  the 
  posterior 
  section 
  is 
  a 
  lower 
  one 
  (figs. 
  21 
  II) 
  arising 
  to 
  waro 
  l 
  i 
  

   of 
  the 
  corrugated 
  area 
  and 
  extending 
  almost 
  to 
  the 
  postenoi 
  i 
  nargin 
  o 
  ft 
  he 
  thorax^ 
  

   the 
  area 
  enclosed 
  by 
  the 
  two 
  outer 
  ridges 
  is 
  do 
  ^.^*J^ 
  i 
  J?gSaSf 
  

   (fig 
  21) 
  Each 
  outer 
  ridge 
  is 
  armed 
  with 
  short 
  spine-hke 
  hairs 
  along 
  the 
  innei 
  side, 
  

  

  