﻿Bui. 
  11 
  7, 
  Bureau 
  of 
  Entomology, 
  U. 
  S. 
  Dept. 
  of 
  Agriculture. 
  

  

  Plate 
  III. 
  

  

  Fig. 
  1.— 
  Spraying 
  Hopvines 
  with 
  Power 
  Outfit. 
  (Original.) 
  

  

  Fig. 
  2,-Applying 
  Precipitated 
  Sulphur 
  in 
  Dust 
  Form 
  as 
  

   a 
  Remedy 
  Against 
  the 
  Red 
  Spider. 
  Original.) 
  

  

  SPRAYING 
  AND 
  DUSTING 
  FOR 
  THE 
  RED 
  SPIDER 
  

   ON 
  HOPS. 
  

  

  