64 MAINE AGRICULTURAL EXPERIMENT STATION. 



the shelters in which the insect winters. When they appear 

 in spring the plants upon which they are should be shaken early 

 in the morning, while the bugs are still in a torpid condition, 

 making them fall upon a sheet underneath, and then destroying 

 them. As soon as it becomes warm the insects are exceedingly 

 active, and so swift in all their motions that they cannot be cap- 

 tured. 



The young can be killed with tobacco extract but this is not 

 effective against the adults. No really satisfactory means of 

 control is yet known for this pest. 



