﻿Bui. 
  116, 
  Part 
  1, 
  Bureai 
  

  

  of 
  Entomology, 
  U. 
  S. 
  Dept. 
  of 
  Agr 
  

  

  culture. 
  

  

  Plate 
  II. 
  

  

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  Fig. 
  1.— 
  Showing 
  Condition 
  of 
  Vine 
  Injured 
  by 
  the 
  Grape 
  Leafhopper 
  in 
  the 
  

   Unsprayed 
  Plat. 
  Note 
  Loss 
  of 
  Foliage, 
  and 
  also 
  the 
  Berries 
  from 
  the 
  Clus- 
  

   ters. 
  Vineyard 
  of 
  Mr. 
  W. 
  E. 
  Gray, 
  North 
  East, 
  Pa. 
  (Original.) 
  

  

  

  — 
  «k. 
  . 
  -—"war 
  \ 
  [i— 
  iiiii 
  ii 
  m 
  m:-. 
  -:« 
  , 
  jg^f 
  TT^tr,^ 
  

  

  flM| 
  

  

  

  mm 
  

  

  

  Fig. 
  2.— 
  Showing 
  Condition 
  of 
  Vine 
  in 
  Plat 
  Sprayed 
  with 
  Tobacco 
  Extract 
  No. 
  1, 
  

   Against 
  the 
  Grape 
  Leafhopper. 
  Note 
  the 
  Larger 
  Size 
  of 
  the 
  Berries 
  in 
  the 
  

   Clusters, 
  Heavy 
  Foliage 
  and 
  Stronger 
  Cane 
  Growth. 
  Vineyard 
  of 
  Mr. 
  W. 
  E. 
  

   Gray, 
  North 
  East, 
  Pa. 
  (Original.) 
  

  

  COMPARISON 
  OF 
  SPRAYED 
  AND 
  UNSPRAYED 
  PLATS. 
  

  

  