﻿541 
  

  

  has 
  obtained 
  a 
  pupa 
  from 
  the 
  stone, 
  it 
  is 
  evident 
  that 
  in 
  Ceylon 
  the 
  

   insect 
  passes 
  through 
  all 
  its 
  stages 
  — 
  egg, 
  larva 
  and 
  pupa 
  — 
  in 
  the 
  seed, 
  

   though 
  according 
  to 
  Lefroy, 
  this 
  insect 
  in 
  Florida 
  pupates 
  in 
  the 
  soil. 
  

   As 
  the 
  weevils 
  remain, 
  even 
  as 
  adults, 
  for 
  a 
  time 
  in 
  the 
  seed, 
  the 
  former 
  

   condition 
  affords 
  a 
  better 
  opportunity 
  for 
  their 
  collection 
  and 
  des- 
  

   truction, 
  but 
  also 
  increases 
  the 
  danger 
  of 
  the 
  pest 
  being 
  distributed. 
  

   Fumigation 
  does 
  not 
  appear 
  to 
  be 
  a 
  certain 
  method 
  of 
  kilUng 
  the 
  

   larvae 
  in 
  the 
  seed, 
  and 
  therefore 
  all 
  fallen 
  or 
  infested 
  fruit 
  should 
  be 
  

   destroyed. 
  The 
  author 
  also 
  suggests 
  that 
  spraying 
  at 
  intervals 
  with 
  

   arsenate 
  of 
  lead 
  (2 
  lb. 
  to 
  50 
  gallons 
  of 
  water) 
  would 
  poison 
  the 
  weevils, 
  

   which 
  are 
  not 
  known 
  to 
  have 
  any 
  other 
  food-plant. 
  

  

  Rutherford 
  (A.). 
  The 
  Bean 
  Fly 
  (Agromyza 
  phaseoli, 
  Coq.) 
  — 
  Trop. 
  

   Agric, 
  Peradeniya, 
  xhi, 
  no. 
  5, 
  May 
  1914, 
  pp. 
  411-413. 
  

  

  In 
  Ceylon, 
  when 
  Agromyza 
  phaseoli, 
  Coq., 
  is 
  present, 
  the 
  bean 
  crop 
  

   is 
  often 
  a 
  complete 
  failure. 
  A 
  recent 
  correspondent 
  informed 
  the 
  

   author 
  that 
  out 
  of 
  over 
  600 
  seeds 
  planted 
  only 
  20 
  plants 
  were 
  

   obtained. 
  The 
  bean 
  in 
  question 
  is 
  the 
  cherry 
  bean 
  (Vigna 
  sinensis), 
  

   known 
  locally 
  as 
  " 
  Me-karal 
  " 
  or 
  " 
  Wanduru-me." 
  Peas 
  are 
  also 
  said 
  

   to 
  be 
  attacked. 
  In 
  Australia 
  this 
  fly 
  attacks 
  French, 
  Lima, 
  and 
  

   Madagascar 
  beans, 
  cowpeas 
  and 
  Phaseoliis 
  sp. 
  The 
  author 
  has 
  reared 
  

   A, 
  phaseoli 
  from 
  green 
  gram 
  and 
  black 
  gram, 
  and 
  although 
  growing 
  

   in 
  neighbouring 
  plots 
  the 
  former 
  was 
  the 
  worse 
  attacked. 
  Several 
  

   Chalcids 
  have 
  been 
  bred 
  from 
  infested 
  material 
  by 
  the 
  author. 
  

   Referring 
  to 
  an 
  article 
  by 
  Jarvis 
  [see 
  this 
  Review, 
  Ser. 
  A, 
  ii, 
  p. 
  18] 
  the 
  

   author 
  says 
  that 
  the 
  rooting 
  up 
  and 
  burning 
  of 
  plants 
  has 
  the 
  dis- 
  

   advantage 
  of 
  destroying 
  any 
  parasites 
  that 
  may 
  be 
  present. 
  A 
  cage 
  

   provided 
  with 
  a 
  covering 
  of 
  fine 
  mushn 
  would 
  permit 
  the 
  parasites 
  

   to 
  escape, 
  while 
  retaining 
  the 
  flies. 
  

  

  Morrill 
  (A.W.) 
  Grasshoppers. 
  — 
  Arizona 
  Agric. 
  Expt. 
  Sta., 
  Tucson, 
  

   Timely 
  Hints 
  for 
  Farmers, 
  no. 
  104, 
  1st 
  May 
  1914, 
  1 
  fig., 
  n. 
  p. 
  

  

  Nearly 
  all 
  Arizona 
  crops 
  are 
  subject 
  to 
  grasshopper 
  attack, 
  but 
  

   lucerne 
  probably 
  suffers 
  the 
  greatest 
  total 
  loss. 
  In 
  the 
  control 
  of 
  grass- 
  

   hoppers, 
  all 
  stages 
  — 
  egg, 
  nymph 
  and 
  adult 
  — 
  should 
  be 
  given 
  attention. 
  

   For 
  the 
  wholesale 
  destruction 
  of 
  these 
  pests 
  in 
  lucerne 
  fields 
  the 
  

   hopperdozer 
  is 
  reconamended. 
  This 
  consists 
  of 
  a 
  shallow 
  elongated 
  

   pan 
  with 
  a 
  high 
  back-shield 
  arranged 
  for 
  dragging 
  across 
  the 
  fields 
  

   for 
  the 
  collection 
  of 
  the 
  hoppers. 
  The 
  pan 
  is 
  of 
  galvanized 
  sheet 
  iron 
  

   and 
  divided 
  into 
  compartments, 
  each 
  of 
  which 
  when 
  in 
  use 
  contains 
  

   water 
  with 
  coal 
  oil 
  on 
  the 
  surface. 
  The 
  shields 
  and 
  sides 
  are 
  preferably 
  

   made 
  of 
  a 
  smooth 
  cloth, 
  such 
  as 
  oil 
  cloth, 
  and 
  the 
  runners 
  may 
  be 
  waggon 
  

   tyre, 
  iron 
  or 
  wood, 
  or 
  the 
  hopperdozer 
  may 
  be 
  provided 
  with 
  small 
  

   wheels. 
  A 
  figure, 
  with 
  measurements, 
  is 
  given 
  of 
  a 
  large 
  example 
  

   to 
  be 
  drawTi 
  by 
  two 
  horses. 
  Small 
  hopperdozers, 
  which 
  can 
  easily 
  be 
  

   drawn 
  by 
  two 
  men 
  or 
  boys, 
  can 
  be 
  constructed 
  more 
  cheaply, 
  but 
  the 
  

   author 
  points 
  out 
  that 
  the 
  comparatively 
  low 
  back 
  is 
  a 
  weak 
  feature, 
  

   since 
  too 
  many 
  of 
  the 
  hoppers 
  would 
  fly 
  or 
  hop 
  entirely 
  over 
  it; 
  

   £2 
  85. 
  6d. 
  is 
  the 
  approximate 
  cost 
  of 
  the 
  large 
  hopperdozer 
  which 
  is 
  

   figured, 
  the 
  back 
  of 
  which 
  is 
  4 
  feet 
  in 
  height. 
  This 
  apparatus 
  is 
  best 
  

   used 
  before 
  the 
  insects 
  have 
  reached 
  the 
  winged 
  stage, 
  and 
  immediately 
  

   after 
  the 
  hay 
  crop 
  is 
  cut 
  and 
  stacked. 
  When 
  the 
  lucerne 
  is 
  six 
  inches 
  

  

  