U. S. DEPARTMENT OF AGRICULTURE, 



BUREAU OF ENTOMOLOGY— BULLETIN No. 115. 



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



PAPERS ON DECIDUOUS FRUIT INSECTS 

 AND INSECTICIDES. 



I. LIFE-HISTORY STUDIES ON THE CODLING MOTH IN MICHIGAN. 



By A. Q. HAMMAR, Entomological Assistant, 

 Deciduous Fruit Insect Investigations. 



IV THE ONE-SPRAY METHOD IN THE CONTROL OF THE CODLING MOTH 

 AND THE PLUM CURCULIO. (SECOND REPORT.) 



By A. L. QUAINTANCE, In Charge of Deciduous Fruit Insect Investigations, 



E. W. SCOTT, Entomological Assistant. 



III.ILIFEI.HISTORY OF THE CODLING MOTH IN THE SANTA CLARA 

 VALLEY OF CALIFORNIA. 



By P. R. JONES and W. M. DAVIDSON, 

 Entomological Assistants, Deciduous Fruit Insect Investigations. 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE. 



1915. 



