﻿452 
  

  

  Marie 
  (P.). 
  Rapport 
  du 
  Directeur 
  du 
  Service 
  de 
  I'Entomologie 
  agricole. 
  

  

  [Report 
  of 
  the 
  Director 
  of 
  the 
  Department 
  of 
  Agricultural 
  Ento- 
  

   mology.] 
  — 
  Supplement 
  au 
  Bull. 
  Soc. 
  Agric, 
  France, 
  Paris, 
  xlv, 
  

   no. 
  1, 
  15th 
  March 
  1914, 
  pp. 
  73-80. 
  

  

  This 
  is 
  the 
  first 
  report 
  of 
  the 
  entomological 
  department 
  since 
  its 
  

   inauguration 
  as 
  part 
  of 
  the 
  French 
  Society 
  of 
  Agriculturists 
  in 
  1913. 
  

   A 
  brief 
  general 
  account 
  is 
  given 
  of 
  the 
  lines 
  upon 
  which 
  work 
  has 
  been 
  

   carried 
  out, 
  namely 
  instruction 
  as 
  to 
  harmful 
  insects, 
  the 
  damage 
  they 
  

   do, 
  methods 
  of 
  destroying 
  them, 
  and 
  secondly, 
  experimental 
  and 
  

   research 
  work. 
  The 
  report 
  gives 
  also 
  the 
  information 
  furnished 
  by 
  

   the 
  department 
  in 
  answer 
  to 
  inquiries 
  received 
  during 
  the 
  year. 
  

  

  La 
  lutte 
  centre 
  la 
  mouche 
  de 
  I'olivier 
  en 
  Italic. 
  [Combating 
  the 
  oHve 
  

   fly 
  in 
  Italy.] 
  — 
  Bull, 
  bi-mens. 
  Off. 
  Gouv. 
  Gen. 
  Algerie, 
  Paris, 
  xx, 
  

   no. 
  6, 
  15th 
  March 
  1914, 
  pp. 
  98-100. 
  

  

  The 
  first 
  method 
  referred 
  to 
  is 
  that 
  of 
  Professor 
  Lotrionte 
  [see 
  

   this 
  Review, 
  Ser. 
  A, 
  ii, 
  p. 
  289], 
  with 
  the 
  following 
  additional 
  data. 
  

   Each 
  trap 
  (capanetta) 
  requires 
  just 
  under 
  IJ 
  oz. 
  of 
  mixture, 
  the 
  total 
  

   liquid 
  required 
  per 
  tree 
  being 
  about 
  8 
  oz. 
  and 
  costing 
  a 
  fraction 
  over 
  a 
  

   penny. 
  The 
  total 
  cost 
  is 
  nearly 
  2\d. 
  per 
  tree 
  per 
  annum 
  or 
  101. 
  per 
  

   1,000 
  trees. 
  An 
  account 
  is 
  also 
  given 
  of 
  experiments 
  by 
  Professor 
  

   Berlese, 
  which 
  aimed 
  at 
  reducing 
  to 
  a 
  minimum 
  the 
  practice 
  of 
  spraying 
  

   the 
  trees, 
  using 
  instead 
  traps 
  consisting 
  of 
  wide-mouthed 
  jars 
  containing 
  

   poisoned 
  bait, 
  or 
  bundles 
  of 
  straw 
  soaked 
  in 
  poisonous 
  liquids. 
  In 
  the 
  

   traps, 
  arsenite 
  of 
  soda 
  was 
  used 
  with 
  sugary 
  solutions 
  ; 
  experiments 
  

   tended 
  to 
  show 
  that 
  the 
  sugar 
  in 
  the 
  solution 
  does 
  not 
  play 
  an 
  important 
  

   part 
  in 
  attracting 
  the 
  flies, 
  soapy 
  solutions 
  containing 
  no 
  sugar 
  proving 
  

   equally, 
  if 
  not 
  more 
  efiicacious 
  in 
  this 
  respect. 
  The 
  poisoned 
  bundles 
  

   of 
  straw, 
  one 
  below 
  each 
  tree, 
  proved 
  very 
  effective 
  in 
  attracting 
  and 
  

   poisoning 
  the 
  flies. 
  Berlese 
  concludes 
  that 
  meteorological 
  conditions 
  

   greatly 
  aflect 
  the 
  efficiency 
  of 
  traps. 
  When 
  a 
  hot 
  summer 
  is 
  followed 
  

   by 
  a 
  cold 
  autumn, 
  the 
  traps 
  are 
  less 
  efiicacious 
  than 
  when 
  summer 
  and 
  

   autumn 
  are 
  both 
  very 
  hot. 
  He 
  recommends 
  in 
  all 
  cases 
  a 
  mixed 
  

   treatment 
  consisting 
  of 
  spraying 
  in 
  the 
  early 
  part 
  of 
  July 
  followed 
  

   immediately 
  by 
  the 
  use 
  of 
  traps. 
  

  

  Bauer 
  ( 
  — 
  ). 
  Riickblick 
  auf 
  das 
  Jahr 
  1913 
  — 
  Allgemeine 
  Lage 
  des 
  

   pfalzischen 
  Weinbaues. 
  [Survey 
  of 
  the 
  year 
  1913— 
  General 
  con- 
  

   ditions 
  of 
  the 
  Palatinate 
  vineyards.] 
  — 
  Weinhau 
  der 
  Rheinpfah, 
  

   Neustadt 
  a. 
  d. 
  Hdt., 
  ii, 
  no. 
  6, 
  15th 
  March 
  1914, 
  pp. 
  63-66. 
  

  

  A 
  general 
  account 
  is 
  given 
  of 
  the 
  conditions 
  of 
  the 
  Palatinate 
  vine- 
  

   yards 
  in 
  1913. 
  Contrary 
  to 
  what 
  is 
  usually 
  the 
  case, 
  Polychrosis 
  

   botrana 
  appeared 
  later 
  than 
  Clysia 
  ambiguella, 
  which 
  was 
  very 
  abun- 
  

   dant 
  towards 
  the 
  end 
  of 
  April, 
  The 
  damage, 
  which 
  was 
  caused 
  chiefly 
  

   by 
  C. 
  ambiguella, 
  was 
  severe, 
  especially 
  in 
  the 
  case 
  of 
  backward 
  vines. 
  

   The 
  second 
  generation 
  appeared 
  about 
  the 
  middle 
  of 
  July, 
  and 
  weather 
  

   conditions 
  in 
  August 
  and 
  September 
  favouring 
  the 
  development 
  of 
  

   the 
  larvae, 
  much 
  damage 
  was 
  done 
  to 
  the 
  ripening 
  fruit. 
  Good 
  results 
  

   were 
  obtained 
  with 
  the 
  use 
  of 
  tobacco 
  extract 
  and 
  soap 
  solution, 
  but 
  

   it 
  is 
  thought 
  that 
  if 
  frost 
  had 
  appeared 
  earlier, 
  as 
  it 
  did 
  in 
  1912, 
  or 
  the 
  

   weather 
  conditions 
  had 
  been 
  otherwise 
  unfavourable, 
  it 
  would 
  have 
  

  

  