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  stock 
  and 
  thus 
  escaping 
  detection 
  by 
  the 
  plant 
  inspectors. 
  The 
  

   injection 
  of 
  carbon 
  bisulphide 
  into 
  the 
  soil 
  and 
  spraying 
  or 
  painting 
  

   the 
  bared 
  roots 
  with 
  strong 
  tobacco 
  decoction 
  proved 
  satisfactory 
  

   remedies. 
  A 
  Rule 
  under 
  the 
  Diseases 
  of 
  Plants 
  Prevention 
  Ordinance 
  

   has 
  been 
  drafted 
  to 
  prohibit 
  the 
  importation 
  of 
  apple 
  trees 
  other 
  than 
  

   those 
  grafted 
  on 
  the 
  immune 
  Majetin 
  or 
  Northern 
  Spy 
  stocks. 
  Cut- 
  

   worms 
  have 
  given 
  great 
  trouble, 
  especially 
  in 
  tobacco 
  plantations, 
  

   and 
  though, 
  by 
  removing 
  the 
  attacked 
  plants 
  and 
  filhng 
  their 
  places 
  

   with 
  others, 
  the 
  pests 
  are 
  kept 
  down, 
  the 
  result 
  is 
  an 
  uneven 
  crop 
  

   which 
  causes 
  trouble 
  at 
  harvest 
  time. 
  Poisoned 
  bran 
  baits, 
  frequent 
  

   stirring 
  of 
  the 
  soil 
  and 
  the 
  collection 
  of 
  the 
  caterpillars 
  have 
  proved 
  

   useful. 
  

  

  The 
  wheat 
  aphis, 
  Toxoptera 
  graminis, 
  comes 
  and 
  goes 
  on 
  wheat 
  in 
  

   a 
  manner 
  difficult 
  to 
  explain 
  ; 
  it 
  was 
  very 
  abundant 
  during 
  the 
  year 
  

   under 
  report, 
  but 
  disappeared 
  almost 
  completely 
  in 
  a 
  very 
  short 
  time 
  

   after 
  a 
  shower 
  of 
  rain. 
  

  

  Anthores 
  leuconotus, 
  the 
  white 
  coffee 
  borer, 
  perhaps 
  the 
  worst 
  enemy 
  

   of 
  coffee 
  in 
  Africa, 
  is 
  only 
  known 
  at 
  present 
  in 
  one 
  locahty 
  in 
  the 
  

   Protectorate 
  — 
  at 
  the 
  Bura 
  Mission, 
  about 
  25 
  miles 
  from 
  Voi, 
  on 
  the 
  

   Voi-Taveta 
  road. 
  The 
  locality 
  is 
  isolated 
  and 
  no 
  other 
  coffee 
  is 
  grown 
  

   in 
  the 
  near 
  neighbourhood. 
  The 
  author 
  refers 
  for 
  remedies 
  to 
  Mor- 
  

   statt's 
  report 
  on 
  pests 
  of 
  coffee 
  [see 
  this 
  Review, 
  Ser. 
  A, 
  i, 
  pp. 
  104-108]. 
  

   Ajpate 
  monacha, 
  ¥., 
  has 
  been 
  reported 
  from 
  one 
  or 
  two 
  plantations, 
  

   in 
  each 
  case 
  near 
  the 
  forest 
  from 
  which 
  the 
  pest 
  has 
  spread 
  to 
  the 
  

   coffee. 
  Pruning, 
  burning 
  the 
  prunings 
  and 
  the 
  injection 
  of 
  carbon 
  

   bisulphide 
  into 
  the 
  boreholes 
  when 
  these 
  occurred 
  in 
  the 
  stem 
  sufficed 
  

   to 
  keep 
  this 
  Bostrychid 
  beetle 
  in 
  check. 
  The 
  carbon 
  bisulphide 
  

   apparently 
  had 
  the 
  effect 
  of 
  making 
  all 
  dormant 
  buds 
  develop. 
  

   Apate 
  also 
  attacks 
  wattle, 
  Casuarina 
  and 
  Grevillea. 
  The 
  following 
  

   beetles 
  are 
  numerous 
  and 
  have 
  done 
  some 
  damage 
  by 
  eating 
  the 
  

   leaves 
  of 
  coffee. 
  Pachnoda 
  sinuata, 
  F., 
  Adoretus 
  punctipennis, 
  Fahr., 
  

   and 
  A. 
  pagenstecJceri, 
  Gerst., 
  Anomala 
  kersteni, 
  Gerst., 
  species 
  of 
  

   Schizonycha, 
  Camenta 
  and 
  Dicasticus 
  and 
  Systates 
  crihripenniSy 
  

   Fairm. 
  Antestia 
  variegata, 
  Thunb. 
  var. 
  lineaticollis, 
  Stal, 
  occurs 
  

   in 
  all 
  coffee 
  plantations, 
  and 
  though 
  the 
  damage 
  as 
  yet 
  done 
  

   is 
  small 
  the 
  possibilities 
  are 
  serious 
  if 
  it 
  is 
  not 
  kept 
  in 
  check. 
  

   The 
  author 
  says 
  that 
  the 
  remedies 
  suggested 
  by 
  Morstatt 
  

   (loc. 
  cit.) 
  are 
  practically 
  useful. 
  Sphaerocoris 
  ocellus, 
  Klg., 
  Agonos- 
  

   celis 
  puberula, 
  Stal., 
  Bagrada 
  picta, 
  F., 
  and 
  Nezara 
  spp. 
  are 
  common 
  

   bugs 
  and 
  are 
  to 
  be 
  regarded 
  as 
  potential 
  pests. 
  The 
  locusts, 
  Phymateus 
  

   superbus 
  and 
  Zonocerus 
  elegans, 
  are 
  plentiful, 
  and 
  have 
  been 
  

   found 
  eating 
  the 
  leaves 
  of 
  coffee. 
  The 
  scale-insects 
  attacking 
  coffee 
  

   are 
  Lecanium 
  africanum, 
  Newst. 
  , 
  Coccus 
  viridis, 
  Green, 
  C. 
  hesperidum, 
  L. 
  , 
  

   Ceroplastes 
  sp., 
  and 
  Pseudoccocus 
  citri, 
  Risso. 
  The 
  larvae 
  of 
  Ceratitis 
  

   capitata, 
  Wied., 
  feed 
  on 
  the 
  pulp 
  of 
  ripe 
  or 
  over-ripe 
  berries, 
  but 
  are 
  

   killed 
  during 
  the 
  pulping. 
  They 
  are 
  hardly 
  to 
  be 
  regarded 
  as 
  a 
  pest. 
  

   Leucoptera 
  (Cemiostoma) 
  sp. 
  is 
  found 
  wherever 
  coffee 
  grows, 
  but 
  is 
  

   only 
  a 
  minor 
  pest. 
  

  

  Tobacco 
  has 
  been 
  damaged 
  by 
  the 
  split 
  worm 
  or 
  leaf 
  miner 
  

   (Phthorimaea 
  heliopa, 
  Lwr.), 
  which 
  spoils 
  "wrapper" 
  leaf. 
  The 
  moth 
  

   greatly 
  resembles 
  the 
  potato 
  tuber 
  moth, 
  and 
  the 
  author 
  thinks 
  

   that 
  it 
  was 
  possibly 
  introduced 
  with 
  seed 
  potatoes. 
  The 
  pupal 
  

  

  