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UNITED STATES DEPARTMENT OF AGRICULTURE 

 BULLETIN No. 252 



Contribution from the Bureau of Entomology 

 L. O. HOWARD, Chief 



Washington, D. C. 



PROFESSIONAL PAPER 



August 10, 1915 



LIFE HISTORY OF THE CODLING MOTH 



IN MAINE 





» v/ 





By 



* 



■v 



E. H. SIEGLER and F. L. SIMANTON, Entomological 

 As 



Assistants, Deciduous Fruit Insect Investigations 



CONTENTS 



Introduction 



Definition of Terms 



Seasonal-History Studies of 1913 

 Seasonal-History Studies of 1914 



Page 



1 



2 



3 



28 



Page 

 Comparison of the Life History of the 



Codling Moth in 1913 and 1914 ... 46 

 The Control of the Codling Moth in Maine 49 

 Summary and Conclusions 49 



WASHINGTON 



GOVERNMENT PRINTING OFFICE 



1915 



