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UNITED STATES DEPARTMENT OF AGRICULTURE 

 BULLETIN No. 248 



Contribution from the Bureau of Entomology 

 L. O. HOWARD, Chief 



Washington, D. C. 



August 14, 1915 



FLEAS 



By 



F. C. BISHOPP, Entomological Assistant, Southern 

 Field Crop Insect Investigations 



CONTENTS 



Page. 



Introduction 1 



Hosts of Fleas 2 



Biting Habits . 3 



Life History 4 



Length of Life of the Adult 7 



Breeding Places 8 



Factors Influencing Flea Abundance . . 9 



The Jumping of Fleas and Other Means 



of Spread 10 



Fleas as Carriers of Disease 11 



Fleas as Parasites of Man and Animals . 16 



Natural Control 22 



Artificial Control 23 



Remedies for Bites 31 



WASHINGTON 



GOVERNMENT PRINTING OFFICE 



1915 



