﻿705 
  

  

  Ramsay 
  (J. 
  T.). 
  Potato 
  Culture. 
  — 
  Jl. 
  Dept. 
  Agric., 
  Victoria, 
  Melbourne, 
  

   xii, 
  pt. 
  8, 
  August 
  1914, 
  pp. 
  483-499, 
  1 
  table, 
  5 
  figs. 
  

  

  In 
  this 
  article 
  on 
  potato 
  culture 
  it 
  is 
  recommended 
  that 
  seed 
  potatoes 
  

   should 
  be 
  dipped 
  for 
  two 
  hours 
  in 
  a 
  solution 
  of 
  corrosive 
  subhmate, 
  

   1 
  oz. 
  to 
  6 
  gallons 
  of 
  water, 
  before 
  planting. 
  The 
  following 
  spray 
  

   solution 
  is 
  recommended 
  as 
  a 
  good 
  insecticide 
  : 
  2 
  lb. 
  copper 
  sulphate, 
  

   2J 
  lb. 
  washing 
  soda 
  to 
  10 
  gallons 
  water, 
  1 
  oz. 
  Paris 
  green. 
  

  

  Froggatt 
  (W. 
  W.). 
  a 
  Descriptive 
  Catalogue 
  of 
  the 
  Scale-Insects 
  

   (Coccidae) 
  of 
  Australia. 
  — 
  Agric. 
  Gaz. 
  of 
  N.S.W., 
  Sydney, 
  xxxv. 
  

   pt. 
  8, 
  August 
  1914, 
  pp. 
  677-684, 
  1 
  pi. 
  

  

  Two 
  new 
  species 
  are 
  included 
  in 
  this 
  catalogue, 
  viz. 
  : 
  — 
  Lepidosaphes 
  

   lobulatus, 
  sp. 
  n., 
  from 
  Casuarina 
  sp. 
  ; 
  L. 
  mulgae, 
  sp. 
  n., 
  from 
  the 
  

   Mulga 
  ; 
  descriptions 
  are 
  also 
  given 
  of 
  L. 
  (Aspidiotus) 
  gloveri, 
  Packard, 
  

   recorded 
  from 
  Victoria 
  and 
  N.S.W. 
  upon 
  oranges 
  and 
  probably 
  intro- 
  

   duced 
  from 
  the 
  United 
  States, 
  and 
  of 
  Lepidosaphes 
  uhni, 
  L. 
  (pomorum 
  

   Bouche) 
  on 
  Ulmus 
  campestris. 
  

  

  GuRNEY 
  (W. 
  B.). 
  Thrips 
  in 
  Orchards. 
  A 
  Warning 
  to 
  Fruit-growers. 
  

  

  — 
  Agric. 
  Gaz. 
  of 
  N.S.W. 
  , 
  Sydtiey, 
  xxv, 
  pt. 
  8, 
  August 
  1914, 
  

   pp. 
  685-687. 
  

  

  There 
  was 
  a 
  serious 
  infestation 
  of 
  Thrips 
  tabaci 
  in 
  N.S.W. 
  , 
  in 
  Sep- 
  

   tember 
  and 
  October, 
  1913, 
  on 
  a 
  great 
  variety 
  of 
  cultivated 
  and 
  

   uncultivated 
  plants. 
  Widely 
  separated 
  districts 
  suffered 
  and 
  the 
  losses 
  

   amounted 
  in 
  some 
  cases 
  to 
  75 
  per 
  cent, 
  of 
  the 
  crop. 
  In 
  orchards 
  all 
  

   refuse 
  under 
  or 
  between 
  the 
  trees 
  should 
  be 
  destroyed 
  before 
  the 
  end 
  

   of 
  August 
  and 
  the 
  soil 
  ploughed 
  as 
  close 
  to 
  the 
  trees 
  as 
  possible. 
  The 
  

   fruit 
  trees 
  should 
  be 
  sprayed 
  as 
  late 
  as 
  possible 
  before 
  the 
  buds 
  open, 
  

   with 
  the 
  hme-sulphur 
  wash 
  recommended 
  (53 
  lb. 
  freshly 
  burned 
  

   quick 
  -lime, 
  100 
  lb. 
  flowers 
  of 
  sulphur, 
  50 
  gallons 
  water), 
  

   diluted 
  with 
  7 
  gallons 
  of 
  water 
  ; 
  as 
  the 
  buds 
  are 
  opening, 
  use 
  

   tobacco 
  wash 
  (1 
  lb. 
  to 
  2 
  gallons 
  water) 
  with 
  high 
  pressure. 
  The 
  

   development 
  of 
  this 
  Thrips 
  from 
  egg 
  to 
  adult 
  occupies 
  from 
  16-21 
  

   days 
  under 
  warm 
  conditions, 
  longer 
  in 
  cool 
  weather. 
  The 
  eggs, 
  which 
  

   are 
  deposited 
  in 
  twigs 
  and 
  flowers, 
  hatch 
  in 
  4-7 
  days 
  ; 
  the 
  young 
  forms 
  

   feed 
  and 
  grow 
  for 
  two 
  weeks, 
  during 
  which 
  they 
  moult 
  three 
  times. 
  

   There 
  may 
  be 
  many 
  generations 
  during 
  the 
  summer 
  and 
  all 
  stages 
  

   of 
  development 
  are 
  to 
  be 
  found 
  in 
  the 
  same 
  flower 
  at 
  the 
  same 
  time. 
  

  

  Green 
  (E. 
  E.). 
  A 
  New 
  British 
  Coccid 
  {Kuwania 
  britannica.) 
  — 
  Ent. 
  

   Monthly 
  Mag., 
  London, 
  xxv, 
  no. 
  296, 
  August 
  1914, 
  pp. 
  197-199. 
  

  

  A 
  new 
  Coccid, 
  obtained 
  from 
  birches 
  in 
  Camberley, 
  Surrey, 
  is 
  

   described, 
  viz., 
  Kuwania 
  britannica, 
  sp. 
  no 
  v. 
  This 
  is 
  a 
  particularly 
  

   interesting 
  record, 
  because 
  this 
  insect 
  belongs 
  to 
  the 
  sub-family 
  

   Margarodinae, 
  of 
  which 
  there 
  have 
  hitherto 
  been 
  no 
  British 
  repre- 
  

   sentatives 
  and 
  the 
  other 
  two 
  known 
  species 
  of 
  the 
  genus 
  occur 
  in 
  

   Japan 
  and 
  Ceylon. 
  

  

  (C98) 
  c 
  

  

  