ILLUSTRATIONS. 



Page. 



Plate V. Spraying apparatus used in hopyards in British Columbia 84 



VI. View of hopyard showing sheep keeping down weeds 88 



VII. Method of capturing hop fiea-beetles on tarred horse-sledges 90 



TEXT FIGURES. 



Fig. 12. Hop flea-beetle {PsyUiodes pundulata) : Larva and adult 72 



13. View of hopyard, showing how flea-beetles keep down vines 76 



14. Hop leaves, showing work of flea-beetle 77 



15. Work of flea-beetle after vines are grown 78 



16. Trained hop shoots stripj)ed by flea- beetle 79 



17. Breeding and control cage in place over a hill 80 



18. A crew spraying hops in British Columbia 86 



19. Tarred catchers for hop flea-beetles 89 



66— VI 

 IV 



