﻿36 
  

  

  DECIDUOUS 
  FRUIT 
  INSECTS 
  AND 
  INSECTICIDES. 
  

  

  Table 
  VII. 
  — 
  Oviposition 
  of 
  first-brood 
  moths 
  of 
  the 
  grape-berry 
  moth 
  in 
  stock 
  jars 
  at 
  

  

  ' 
  North 
  East, 
  Pa., 
  in 
  1909. 
  

  

  No. 
  of 
  

  

  stock 
  jar. 
  

  

  Number 
  

   of 
  moths. 
  

  

  Date 
  of— 
  

  

  Days— 
  

  

  Emer- 
  

   gence 
  of 
  

   moths. 
  

  

  First 
  

   ovipo- 
  

   sition. 
  

  

  Last 
  

   ovipo- 
  

   sition. 
  

  

  Before 
  

   ovipo- 
  

   sition. 
  

  

  Of 
  ovipo- 
  

   sition. 
  

  

  From 
  

   emer- 
  

   gence 
  to 
  

   last 
  ovi- 
  

   position. 
  

  

  1 
  

  

  2 
  

  

  3 
  

  

  4 
  

  

  10 
  

  

  21 
  

  

  21 
  

  

  4 
  

  

  Aug. 
  18 
  

   Aug. 
  19 
  

   Aug. 
  20 
  

   Aug. 
  27 
  

  

  Aug. 
  27 
  

  

  ...do 
  

  

  ...do.... 
  

  

  Sept. 
  5 
  

  

  Aug. 
  27 
  

   Sept. 
  8 
  

   Aug. 
  27 
  

   Sept. 
  5 
  

  

  9 
  

   8 
  

   7 
  

   9 
  

  

  1 
  

  

  13 
  

  

  1 
  

  

  1 
  

  

  9 
  

  

  20 
  

   7 
  

   1 
  

  

  

  8.2 
  

   9 
  

  

  7 
  

  

  4 
  

   13 
  

  

  1 
  

  

  9.2 
  

  

  20 
  

  

  1 
  

  

  

  

  

  

  Hibernation 
  of 
  first-brood 
  pupse. 
  — 
  Toward 
  the 
  end 
  of 
  July 
  before 
  

   the 
  eggs 
  of 
  the 
  second 
  brood 
  had 
  been 
  deposited 
  a 
  large 
  number 
  of 
  

   infested 
  grape 
  berries 
  were 
  collected 
  in 
  order 
  to 
  determine 
  if 
  all 
  of 
  the 
  

   first 
  brood 
  completed 
  the 
  cycle 
  and 
  emerged 
  as 
  adults, 
  or 
  if 
  some 
  of 
  

   them 
  passed 
  the 
  winter 
  as 
  pupse. 
  

  

  Tables 
  VIII 
  and 
  IX 
  give 
  the 
  record 
  for 
  374 
  larvae. 
  Deducting 
  the 
  

   dead 
  and 
  parasitized 
  individuals 
  from 
  this 
  number, 
  a 
  complete 
  record 
  

   of 
  321 
  specimens 
  was 
  secured. 
  Two 
  hundred 
  and 
  ninety-two 
  adults 
  

   emerged 
  from 
  July 
  29 
  to 
  August 
  15. 
  After 
  the 
  latter 
  date 
  no 
  adults 
  

   emerged. 
  Twenty-nine 
  live 
  pupse 
  failed 
  to 
  transform 
  and 
  hibernated. 
  

  

  Table 
  VIII. 
  — 
  The 
  relative 
  number 
  of 
  transforming 
  and 
  wintering 
  individuals 
  of 
  the 
  first 
  

   brood 
  of 
  the 
  grape-berry 
  moth. 
  North 
  East, 
  Pa., 
  1909. 
  

  

  Num- 
  

   ber 
  of 
  

   larvae. 
  

  

  Date 
  

  

  larvae 
  

  

  left 
  

  

  berry. 
  

  

  Number 
  of— 
  

  

  Moths 
  

   emerged. 
  

  

  Larvae 
  

   hiber- 
  

   nating. 
  

  

  Larvae 
  

   para- 
  

   sitized. 
  

  

  Dead. 
  

  

  19 
  

  

  20 
  

  

  13 
  

  

  21 
  

  

  16 
  

  

  32 
  

  

  13 
  

  

  18 
  

  

  50 
  

  

  23 
  

  

  36 
  

  

  25 
  

  

  32 
  

  

  15 
  

  

  13 
  

  

  1 
  

  

  10 
  

  

  7 
  

  

  5 
  

  

  3 
  

  

  2 
  

  

  July 
  29 
  

   July 
  30 
  

   July 
  31 
  

   Aug. 
  1 
  

   Aug. 
  2 
  

   Aug. 
  3 
  

   Aug. 
  4 
  

   Aug. 
  5 
  

   Aug. 
  6 
  

   Aug. 
  7 
  

   Aug. 
  8 
  

   Aug. 
  9 
  

   Aug. 
  10 
  

   Aug. 
  11 
  

   Aug. 
  12 
  

   Aug. 
  15 
  

   Aug. 
  26 
  

   Sept. 
  11 
  

   Sept. 
  13 
  

   Sept. 
  12 
  

   Sept. 
  18 
  

  

  ]3 
  

   20 
  

   12 
  

   21 
  

   14 
  

   30 
  

   10 
  

   12 
  

   45 
  

   19 
  

   30 
  

   20 
  

   24 
  

   10 
  

   11 
  

   1 
  

   

   

   

   

   

  

  

   

   

   

   

   

   

   

   

   

   2 
  

   

   1 
  

   3 
  

   1 
  

   

   9 
  

   7 
  

   4 
  

   1 
  

   1 
  

  

  

  

  

  

  

  

  

  

  

  

  1 
  

  

  2 
  

  

  2' 
  

  

  1 
  

  

  1 
  

  

  

  

  1 
  

  

  1 
  

  

  1 
  

  

  1 
  

  

  

  

  

  

  

  

  

  

  

  

  

  

  6 
  

  

  

  

  1 
  

  

  

  

  2 
  

  

  1 
  

  

  1 
  

  

  4 
  

  

  4 
  

  

  3 
  . 
  

  

  4 
  

  

  4 
  

  

  6 
  

  

  1 
  

  

  

  

  

  

  1 
  

  

  

  

  1 
  

  

  2 
  

  

  1 
  

  

  