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



Plate VI 1 1, 



li%* 



ROUNDHEADED APPLE-TREE BORER. 



A, Larvae within pupal chambers in young apple tree. Natural size. E, Cross section of base of 

 trunk of young apple tree, showing galleries made by borers in ascending the trunk to pupate. 

 Natural size. C, Beetle resting by exit hole. Natural size. 



