298 



INSECTS INJURIOUS TO THE GRAPE. 



pedicel. The parent insect probably deposits her eggs on the 

 skin of the grape, and the young larvae, as soon as hatched, 

 puncture the skin and work their way to the seed, which they 

 enter while it is young and soft. Many of the affected grapes 

 have a small scar on their surface, w^hich may indicate where 

 the insect has entered. 



Should this tiny foe ever become so troublesome as to 

 require a remedy, the best one suggested is that of carefully 

 gathering and destroying the shrivelled fruit. 



ITo. 171.— The Grape-berry Moth. 



Eudemis hotrana (Schiff). 



This insect is an imported species, and has long been in- 

 jurious to grape-culture in the south of Europe. The exact 

 period of its introduction to America is not known, and it is 

 only within the past few years that attention has been called 

 to its ravages. When abundant, it is very destructive ; in 

 some instances it is said to have destroyed nearly fifty per 

 cent, of the crop 



The young larvss have usually been first observed early in 

 July, when the infested grapes show a discolored spot where 

 the worm has entered. (See Fig. -810, c.) When the grape 



Fig. 310. 



is opened and the contents carefully examined, there will 

 generally be found in the pulp a small larva, rather long and 

 thin, and of a whitish-green color. Besides feeding on the 



