﻿VI 
  DECIDUOUS 
  FRUIT 
  INSECTS 
  AND 
  INSECTICIDES. 
  

  

  Page. 
  

   Fig. 
  13. 
  Diagram 
  showing 
  time 
  of 
  emergence 
  of 
  the 
  first-brood 
  moths 
  of 
  the 
  

  

  grape-berry 
  moth 
  in 
  1907 
  at 
  North 
  East, 
  Pa 
  42 
  

  

  14. 
  Diagram 
  showing 
  time 
  of 
  emergence 
  of 
  the 
  spring-brood 
  moths 
  of 
  the 
  

  

  grape-berry 
  moth 
  in 
  1908 
  at 
  North 
  East, 
  Pa 
  43 
  

  

  15. 
  Seasonal 
  history 
  of 
  the 
  grape-berry 
  moth 
  as 
  observed 
  in 
  1909 
  at 
  North 
  

  

  East, 
  Pa 
  45 
  

  

  16. 
  Thymaris 
  sling 
  erlandana, 
  a 
  common 
  parasite 
  of 
  the 
  grape-berry 
  moth. 
  . 
  46 
  

  

  17. 
  Vineyard 
  in 
  which 
  poison-spray 
  experiments 
  were 
  conducted 
  against 
  

  

  larvae 
  of 
  the 
  grape-berry 
  moth 
  during 
  the 
  seasons 
  of 
  1907, 
  1908, 
  and 
  

   1909; 
  vineyard 
  of 
  Mr. 
  W. 
  S. 
  Wheeler, 
  North 
  East, 
  Pa 
  53 
  

  

  18. 
  Plat 
  arrangement 
  of 
  poison-spraying 
  experiments 
  against 
  the 
  larvae 
  of 
  

  

  the 
  grape-berry 
  moth 
  in 
  the 
  vineyard 
  of 
  Mr. 
  W. 
  S. 
  "Wheeler, 
  North 
  

   East, 
  Pa., 
  1907 
  i 
  53 
  

  

  19. 
  Gasoline-engine 
  sprayer 
  outfit 
  used 
  in 
  vineyard 
  experiments 
  against 
  

  

  the 
  larvae 
  of 
  the 
  grape-berry 
  moth 
  in 
  vineyard 
  of 
  Mr. 
  W. 
  S. 
  Wheeler, 
  

   North 
  East, 
  Pa., 
  1907, 
  1908, 
  and 
  1909 
  54 
  

  

  20. 
  Stage 
  of 
  development 
  of 
  grape 
  blossom 
  cluster 
  at 
  which 
  poison 
  spray 
  

  

  application 
  should 
  be 
  made 
  against 
  early 
  hatching 
  larvae 
  of 
  the 
  grape- 
  

   berry 
  moth 
  which 
  infest 
  the 
  blossom 
  clusters 
  55 
  

  

  21. 
  Plat 
  arrangement 
  of 
  poison-spraying 
  experiments 
  against 
  the 
  grape- 
  

  

  berry 
  moth 
  in 
  the 
  vineyard 
  of 
  Mr. 
  W. 
  S. 
  Wheeler, 
  North 
  East, 
  Pa., 
  

  

  1908 
  and 
  1909 
  57 
  

  

  22. 
  Overwintering 
  cocoons 
  of 
  the 
  grape-berry 
  moth 
  upon 
  leaf 
  on 
  ground, 
  

  

  beneath 
  a 
  badly 
  infested 
  grapevine 
  66 
  

  

  