126 



INSECTS AFFECTING THE GKAFE. 



Remedies. — This insect is rarely injurious, prob- 

 ably because it is kept in check by certain parasites. 

 It can be destroyed, if it should become too numer- 

 ous, by hand picking, or by spraying or dusting 

 the infested vines with pyrethrum or hellebore. 



INJURING THE FRUIT. 



The Grape-berry Moth. 



Eudemis botrana. 

 'Grapes are frequently injured by having their 

 'substance eaten out by a small, whitish worm that 

 fastens three or four berries together with silken 

 threads, and devours the contents of each. This in- 

 sect is the larva or caterpillar of the Grape-berry 

 JMoth, a species imported many years ago from Eu- 

 rope, where it has long been known as an enemy of 

 the vine. The adult is a small, bluish moth, that 

 deposits its eggs late in June or early in July. The 



Fig. 61. Grape-berry Moth : ", moth; b, larva; d, injured fruit. 



very young caterpillar is found within the skin of 

 the grape, devouring the contents. When it has 



