The Grape-vine Flea-beetle. 



199 



Habits and groivth of the grubs. — In Georgia, the young grubs 

 have been found at work as early as March 15th, but in the 

 North , it is usually during the latter part of May that the grubs 

 begin work. The newly hatched grubs are scarcely a sixteenth 

 of an inch long and of a very dark brown color, almost as dark as 

 the blackish spots on the body. We saw some of them get their 



18. — A grape leaf riddled by the grubs of the Grape-vine Flea-Beetle. 



Natural size. 



first meal on the buds what were struggling to make a little 

 growth with what life was left after being ravaged by the beetles. 

 Usually, however, the little grubs make their way to the young 

 leaves, where thej' begin to eat little irregular holes through the 

 skin and into the soft inner tissues. Fortunately for the grape- 

 grower, these grubs work almost entirely upon the upper side of 



