UNITED STATES DEPARTMENT OF AGRICULTURE 

 BULLETIN No. 278 



Contribution from the Bureau of Entomology 

 L. O. HOWARD, Chief 



Washington, D. C. 



PROFESSIONAL PAPER 



October 5, 1915 



MISCELLANEOUS INSECTICIDE 

 INVESTIGATIONS 



By 



E. W. SCOTT and E. H. SIEGLER, Entomological Assistants, 

 Deciduous-Fruit Insect Investigations 



CONTENTS 



Page 



Introduction 1 



Experiments, 1912 1 



Experiments, 1913 . . 11 



Experiments, 1914 19 



Page 



Field Experiments 27 



Summarized Review 38 



Conclusions 42 



Key to Tables 43 



WASHINGTON 



GOVERNMENT PRESTING OFFICE 



1915 



