Bui. 89, Bureau of Entomology, U. S. Dept. of Agriculture. 



Plate II. 



Feeding Marks on Grape Leaves, Made by the Beetle of the Grape Root-worm. 



Fig. 1.— Appearance of fresh feeding marks. Fig. 2.— Feeding marks which have become en- 

 larged with the growth of the leaf. Natural size. (Original.) 



