REPORT OF THE STATE ENTOMOLOGIST I904 377 



the number of grubs, which as previously pointed out, are the 

 destructive agents the grower wishes to eliminate from his 

 vineyard. 



It is interesting in this connection to refer to the mortality and 

 egg records of beetles from the experimental areas. This was 

 another effort to learn by indoor observation, more of what was 

 actually taking place outdoors, and the general plan was to catch 

 beetles at approximately regular intervals, taking some from both 

 the sprayed and unsprayed areas, and feeding a portion of those 

 from the former on sprayed foliage and the remainder on unsprayed 

 leaves. 



