Bui. 58, Bur 



if Entomology, U. S. Dept. of Agriculture. 



Plate I. 



Work of the Locust Borer. 

 re, Section of young tree 3 Inches in diameter; &, section of young tree 'J inches in diameter, 

 which was broken off near surface of ground; c, -/. section of branch from badly damaged 

 tree, showing healing wounds in surface of wood; e, transverse section of sam< 

 iions,.i branches one-half inch in diameter or less, showing in each the total length of 

 burrow in which a larva developed and transformed to the adult hectic. (Original.) 



