144 AGiaCULTURE OF MAINE. 



by spraying early and often with something that will strike 

 against them, and with force enough so it will be driven right 

 on to the insect. They don't eat, bvit do their mischief by suck- 

 ing. Aside from them, we have controlled the diseases of the 

 trees and our insect pests there on the farm. 



