Bul. 68, Bureau of Entomology, U. S. Dept. of Agriculture PLATE IX. 
VINES INJURED BY GRAPE ROOT-WORM COMPARED WITH UNINJURED VINES. 
Fig. 1.—Young vines almost ruined by feeding of grape root-worm upon their roots, 
Fig. 2.—A normally thrifty vineyard at North East, Pa., uninfested by grape root- 
worm, (Original.) 
