U. S. DEPARTMENT OF AGRICULTURE, 



BUREAU OF ENTOMOLOGY- BULLETIN No. 68, Part IX. 



L. O. HOWARD, Entomologist and Chief of Bureau. 



PAPERS ON DECIDUOUS FRUIT INSECTS 

 AND INSECTICIDES. 



THE PEACH-TREE BARK BEETLE. 



H. F. WILSON, 



Engaged in Deciduous Fruit Insect Investigations. 



Issued February 11, 1909. 



WASHINGTON: ^ 



GOVERNMENT PRINTING OFFICE. j^O-A-'f^i 



1909. 



