U. S. DEPARTMENT OF AGRICULTURE, 



BUREAU OF ENTOMOLOGY— BULLETIN No. 115, Part I. 



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



PAPERS ON DECIDUOUS FRUIT INSECTS 

 AND INSECTICIDES. 



LIFE-HISTORY STUDIES ON THE 



CODLING MOTH IN 



MICHIGAN. 



A. (J. HAMMAK, 



Entomological Assistant, Deciduous Fruit Insect 

 Investigations. 



Issued August it, 1912. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE. 



1912. 



