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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 INSECTTCIBg 
INVESTIGATIONS v 
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 PRINTING OFFICE 
1915 
