INSECTS INJURIOUS TO THE GRAPE 



531 



of fungous diseases. The insect occurs throughout the United 

 States, but has been particularly injurious in the Chatauqua, N. Y., 



FIG. 381. American grape-berry moth, enlarged. (After Slingerland.) 



X 



Erie, Pa., and Northern Ohio grape belts. So far as known the 

 grape is the only food-plant and the species is a native one, though 

 its habits are very similar to a 

 nearly related European species. 

 The adult is a little purplish- 

 brown moth, with wings expand- 

 ing not quite one-half inch, and 

 shaded with brownish markings 



^ 



FIG. 382. The work of the grape-berry moth; infested cluster and single 

 berry opened to show larva at work enlarged. (After Slingerland.) 



as shown in Fig. 381. The ground color is lilaceous or leaden- 

 blue and the spots are dark brown. 



