FRUIT-TREE BARK BEETLE 



115 



Along the sides of this chamber she gnaws out pockets, and in 

 these places her eggs. The larvae, upon hatching, excavate little 

 side galleries, which are widened as the larvae grow. Three weeks 

 are required for them to reach full growth. The winter is spent in 

 the adult form within the burrow. 



The beetle is black in color; about one-tenth inch long and about 

 one-third as wide. The very tips of the wing-covers and parts of 

 the legs are reddish. 



FIG. 138. Peach-tree bark beetle: a, b, adult beetles; c, egg; d, larva; e, pupa. All greatly 

 enlarged. (After Brooks, U. S. Bu. Ent.) 



Control. All infested parts should be cut out and destroyed. 

 All prunings and trimmings from the trees should be burned. A 

 whitewash applied to the trunks and larger branches in the spring 

 and midsummer and again in late fall acts ?,s a repellent. Or, 

 better, apply a carbolic acid wash to the trunk and larger branches. 

 Use one pint crude carbolic acid, one gallon of soft soap, then dilute 



