Bui. 847, U. S. Dept. of Agriculture. 



Plate IV. 



;:- 



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A 



ROUNDHEADED APPLE-TREE BORER. 



A,_ Oviposition scars in bark of young apple tree. Natural size. B, Inner surface of bark peeled 

 from young apple tree, showing position of eggs. Natural size. C, Eggs in natural position. 

 Much enlarged. D, Young borers attacking lower trunk of young apple tree. E, Eggs. Much 

 enlarged. 



