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  653 
  

  

  Faure 
  (J. 
  C). 
  An 
  interesting 
  larval 
  habit 
  of 
  the 
  pepper-tree 
  cater- 
  

   pillar 
  {Bombycomorpha 
  bifascia, 
  Walk.). 
  — 
  Agric. 
  J 
  I. 
  Union 
  

   S. 
  Africa, 
  Pretoria, 
  viii, 
  no. 
  1, 
  July 
  1914, 
  pp. 
  75-76. 
  

  

  The 
  migratory 
  habits 
  of 
  the 
  full-grown 
  larvae 
  of 
  Bombycomorpha 
  

   bifascia, 
  the 
  pepper-tree 
  caterpillar 
  [see 
  this 
  Review, 
  Ser. 
  A, 
  i, 
  p. 
  12] 
  

   just 
  before 
  pupation 
  are 
  very 
  marked. 
  About 
  the 
  middle 
  of 
  

   April 
  many 
  second-brood 
  larvae 
  were 
  seen 
  in 
  Pretoria 
  feeding 
  

   upon 
  the 
  soil 
  under 
  a 
  pepper 
  tree 
  that 
  had 
  been 
  practically 
  

   defoHated 
  by 
  them, 
  and 
  on 
  examination 
  the 
  ahmentary 
  canal 
  was, 
  

   in 
  some 
  cases, 
  found 
  to 
  be 
  completely 
  filled 
  with 
  very 
  fine 
  particles 
  

   of 
  soil. 
  The 
  earth 
  had 
  probably 
  been 
  ground 
  up 
  between 
  the 
  mandibles 
  

   or 
  else 
  only 
  the 
  very 
  finest 
  material 
  was 
  taken 
  in. 
  The 
  cocoons 
  can 
  

   be 
  found 
  in 
  a 
  great 
  variety 
  of 
  situations 
  (tree-trunks, 
  fence-posts, 
  

   walls, 
  stones, 
  etc.) 
  as 
  much 
  as 
  thirty 
  yards 
  from 
  the 
  nearest 
  pepper 
  

   tree. 
  The 
  actual 
  making 
  of 
  the 
  cocoon 
  was 
  not 
  observed, 
  and 
  it 
  w^ould 
  

   be 
  interesting 
  to 
  know 
  whether 
  the 
  " 
  cocoon 
  paste 
  " 
  is 
  produced 
  from 
  

   the 
  mouth 
  or 
  the 
  anus. 
  There 
  can 
  be 
  no 
  doubt 
  that 
  the 
  larva 
  uses 
  

   finely 
  divided 
  soil 
  as 
  the 
  principal 
  ingredient 
  of 
  the 
  paste 
  with 
  which 
  

   it 
  makes 
  its 
  cocoon, 
  and 
  that 
  the 
  soil 
  is 
  first 
  taken 
  into 
  the 
  intestine 
  

   by 
  direct 
  feeding. 
  A 
  large 
  percentage 
  of 
  the 
  larvae 
  were 
  parasitised 
  

   by 
  a 
  Tachinid 
  fly 
  ; 
  some 
  of 
  them 
  died 
  before 
  pupation, 
  but 
  many 
  

   succeeded 
  in 
  constructing 
  their 
  cocoons. 
  Practically 
  all 
  the 
  young 
  

   larvae 
  and 
  many 
  of 
  the 
  larger 
  ones 
  were 
  killed 
  by 
  spraying 
  once 
  with 
  

   a 
  mixture 
  of 
  " 
  Katakilla 
  " 
  shghtly 
  stronger 
  than 
  that 
  recommended 
  

   by 
  the 
  makers. 
  

  

  LouNSBURY 
  (C. 
  P.). 
  Sodium 
  fluoride 
  for 
  cockroaches. 
  — 
  Agric. 
  JL 
  

   Union 
  S. 
  Africa, 
  Pretoria, 
  viii, 
  no. 
  1, 
  July 
  1914, 
  p. 
  76. 
  

  

  It 
  is 
  recorded 
  that 
  sodium 
  fluoride, 
  a 
  white 
  flour-hke 
  powder, 
  

   was 
  most 
  successfully 
  used 
  against 
  cockroaches 
  in 
  a 
  Durban 
  house, 
  

   which 
  was 
  overrun 
  with 
  a 
  very 
  large 
  native 
  species 
  and 
  the 
  small 
  

   common 
  Ectobia 
  germanica, 
  the 
  latter 
  predominating. 
  

  

  Phylloxera 
  in 
  the 
  Transvaal. 
  — 
  Agric. 
  Jl. 
  Union 
  S. 
  Africa, 
  Pretoria, 
  viii, 
  

   no. 
  1, 
  July 
  1914, 
  pp. 
  77-78. 
  

  

  The 
  introduction 
  of 
  grafted 
  vines 
  from 
  the 
  Western 
  Province 
  is 
  prob- 
  

   ably 
  responsible 
  for 
  the 
  estabhshment 
  of 
  Phylloxera 
  in 
  a 
  considerable 
  

   number 
  of 
  places 
  in 
  the 
  northern 
  provinces. 
  American 
  vines 
  used 
  as 
  

   stocks 
  are 
  all 
  more 
  or 
  less 
  subject 
  to 
  the 
  attack 
  of 
  Phylloxera, 
  but 
  are 
  

   able 
  generally 
  to 
  flourish 
  in 
  spite 
  of 
  being 
  infested, 
  though 
  some 
  stocks 
  

   used 
  in 
  the 
  Western 
  Province 
  possess 
  so 
  low 
  a 
  degree 
  of 
  resistance 
  

   that 
  they 
  have 
  succumbed 
  to 
  the 
  attack 
  in 
  the 
  course 
  of 
  a 
  few 
  years. 
  

   It 
  is 
  only 
  rarely 
  that 
  the 
  pest 
  has 
  been 
  actually 
  observed 
  in 
  a 
  vine 
  

   nursery, 
  but 
  it 
  is 
  probably 
  present 
  to 
  at 
  least 
  a 
  shght 
  extent 
  in 
  most 
  

   Western 
  Province 
  nurseries. 
  

  

  LouNSBURY 
  (C. 
  p.). 
  The 
  Vine 
  Mealy 
  Bug. 
  — 
  Agric. 
  Jl. 
  Union 
  S. 
  Africa, 
  

   Pretoria, 
  viii, 
  no. 
  1, 
  July 
  1914, 
  pp. 
  98-99. 
  

  

  This 
  note 
  cautions 
  growers 
  against 
  the 
  danger 
  of 
  introducing 
  and 
  

   spreading 
  the 
  Vine 
  Mealy 
  Bug 
  with 
  cuttings 
  or 
  young 
  vines. 
  If 
  

  

  