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  PROCEEDINGS 
  OF 
  THE 
  FOrRTII 
  ENTOMOLOGICAL 
  MEETING 
  

  

  patches 
  which 
  make 
  the 
  grub 
  look 
  spotted. 
  The 
  tubular 
  anal 
  process 
  

   on 
  the 
  underside 
  of 
  the 
  anal 
  segment 
  is 
  made 
  use 
  of 
  in 
  locomotion. 
  

   The 
  spiracles 
  can 
  be 
  hardly 
  distinguished 
  but 
  a 
  white 
  tracheal 
  tube 
  

   is 
  visible 
  faintly 
  under 
  the 
  skin 
  running 
  along 
  the 
  spiracles. 
  The 
  pupa 
  

   is 
  white, 
  about 
  2-5 
  mm. 
  long 
  and 
  roughly 
  broadly 
  oval 
  in 
  shape 
  with 
  the 
  

   lobes 
  of 
  legs, 
  antennae 
  and 
  wings 
  free. 
  The 
  beetles 
  are 
  black. 
  

  

  Chrysomelid 
  beetle 
  (C. 
  S. 
  1640). 
  

  

  (Plate 
  XXIV, 
  fig. 
  2). 
  

  

  The 
  larvse 
  of 
  this 
  beetle 
  were 
  collected 
  in 
  large 
  numbers 
  from 
  sugar- 
  

   cane 
  fields 
  at 
  Pusa 
  in 
  July, 
  August 
  and 
  September. 
  The 
  pupal 
  stage 
  

   at 
  this 
  time 
  was 
  observed 
  to 
  be 
  about 
  five 
  days. 
  

  

  Aphodius 
  (C. 
  S. 
  959, 
  1290, 
  1350, 
  1327). 
  

  

  Grubs 
  were 
  collected 
  among 
  mootha 
  roots 
  at 
  Pusa 
  in 
  May 
  and 
  June 
  

   1915 
  which 
  hibernated 
  and 
  attained 
  adult 
  stage 
  in 
  February 
  1916. 
  

   Larva 
  collected 
  from 
  harvested 
  field 
  on 
  29th 
  February 
  1916, 
  pupated 
  

   on 
  2nd 
  March 
  and 
  attained 
  adult 
  stage 
  on 
  8th 
  March. 
  

  

  From 
  pupae 
  collected 
  from 
  cane 
  field 
  on 
  6th 
  September, 
  beetles 
  

   emerged 
  on 
  10th 
  September 
  and 
  again 
  from 
  pupse 
  collected 
  on 
  17th 
  

   September, 
  beetles 
  emerged 
  on 
  25th 
  September. 
  

  

  For 
  details 
  of 
  life-history 
  of 
  the 
  other 
  beetles 
  and 
  weevils 
  

   mentioned 
  in 
  the 
  paper 
  " 
  An 
  Annotated 
  List 
  of 
  Indian 
  crop-pests 
  " 
  by 
  

   T. 
  Bainbrigge 
  Fletcher, 
  in 
  the 
  Proc. 
  of 
  the 
  Third 
  Entl. 
  Meeting, 
  may 
  

   also 
  be 
  referred 
  to. 
  

  

  Damage 
  to 
  rice. 
  

  

  As 
  mentioned 
  in 
  the 
  first 
  paper 
  the 
  damage 
  by 
  borers 
  to 
  rice 
  in 
  the 
  

   neighbourhood 
  of 
  Pusa 
  does 
  not 
  ordinarily 
  exceed 
  about 
  4 
  per 
  cent. 
  

   Examination 
  of 
  stubbles 
  at 
  Chinsurah, 
  Midnapur 
  and 
  Bankura 
  in 
  Bengal 
  

   and 
  at 
  Cuttack 
  in 
  Bihar 
  and 
  Orissa 
  did 
  not 
  show 
  a 
  higher 
  percentage 
  

   of 
  damage. 
  

  

  I 
  have 
  taken 
  up 
  the 
  question 
  of 
  rice 
  stem 
  borers 
  in 
  Burma 
  and 
  will 
  

   be 
  in 
  a 
  position 
  to 
  give 
  very 
  definite 
  results 
  at 
  the 
  next 
  Meeting. 
  It 
  

   would 
  be 
  well 
  if 
  the 
  work 
  were 
  taken 
  up 
  in 
  all 
  the 
  rice-growing 
  Provinces. 
  

   Then 
  we 
  want 
  to 
  know 
  the 
  borers 
  which 
  can 
  be 
  actually 
  held 
  responsible 
  

   for 
  the 
  damage. 
  Detailed 
  descriptions 
  of 
  the 
  borers 
  working 
  at 
  Pusa 
  

   are 
  given 
  in 
  the 
  first 
  paper. 
  

  

  The 
  small 
  amount 
  of 
  work 
  done 
  at 
  the 
  few 
  places 
  in 
  Bengal 
  men- 
  

   tioned 
  above 
  proved 
  Schcenohius 
  bipunctifer 
  and 
  Chilo 
  simplex 
  to 
  be 
  

   the 
  principal 
  agents. 
  

  

  