Bui. 58, Bureau of Entomology. U. S. Dept, of Agricultun 



Plate 1. 



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5Cjtl.£ OF /A'C^SS. 



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Work of the Locust Borer. 



I, Section of young tree 3 inches in diameter; b, section of young tree 2 inches in diameter, 

 which WHS 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 same; /, f/, sec- 

 tions of 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 beetle. (Original.) 



