INSECTS, DISEASES, AND CONTROL 279 



attacks many other kinds of trees. The round-headed borer 

 is the more serious enemy of apple trees. They live in the 

 trunk about three years and then change through the pupa 

 stage to the adult beetle. 



The best remedy is to keep the adults from laying their eggs 

 on the trunks by tying heavy paper or wire gauze about the 



Fig. 140. — Peach tree borers may be 

 easily dug from the trunk after the Boil is re- 

 moved from the base. Note the two borers 

 just removed. (New Jersey Station.) 



FiQ. 141. — A method of protect- 

 ing peach trees from the attacks of 

 borers. The paper keeps the adult 

 moth from laying her eggs on the 

 trunk. (New Jersey Station.) 



trees. The bottom of this protection should be slightly covered 

 by soil and the top securely tied to prevent the beetles from 

 crawling in. These protectors should be renewed before the 

 egg-laying season of early summer. Lime-sulfur wash is a 

 good protection against these beetles and this should be 

 applied at least above these bands. 



