Bui. 68, Pt. VI, Bureau of Entomology. U. S. Dept. of Agriculture. 



Plate IX. 



Vines Injured by Grape Root-worm Compared with Uninjured Vines. 



Fig. 1.— Youns vines alnuist ruined by I'l'eding: of grape root-worm upon tlieir roots. 

 Fig. 2.— A normally thrifty vineyar<l at North East, Pa., nninfested by grape rotit- 

 worm. (Original.) 



