﻿ILLUSTEATIONS. 
  VII 
  

  

  Page 
  

   FiG.JLS. 
  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 
  53 
  

  

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

  

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

   North 
  East, 
  Pa., 
  1907, 
  1903, 
  1909 
  54 
  

  

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

  

  application 
  should 
  be 
  made 
  against 
  early 
  hatching 
  larvse 
  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 
  

  

  23. 
  The 
  cherry 
  fruit 
  sawfly 
  (Hoplocampa 
  cookei): 
  Egg, 
  larvae, 
  adult 
  and 
  

  

  details, 
  work 
  75 
  

  

  24. 
  Microbracon 
  sp., 
  a 
  hymenopterous 
  parasite 
  of 
  the 
  cherry 
  fruit 
  sawfly. 
  . 
  . 
  78 
  

  

  