Bul. 68, Bureau of Entomology, U.S. Dept. of Agriculture. PLATE VIII. 
VINES INJURED BY GRAPE ROOT-WORM COMPARED WITH UNINJURED VINES. 
Fig. 1.—Six-year planted vines making but a weak growth because of injury to roots by 
grape root-worm. Fig. 2.—Two-year planted vines not yet attacked by grape root- 
worm. At the same age vines in figure 1 were equally thrifty. (Original.) 
