c 



TROPICAL FOWL MITE IN 

 THE UNITED STATES 



WITH NOTES ON 

 LIFE HISTORY AND CONTROL 



H. P. WOOD 



Entomological Assistant, Investigations of Insects 

 Affecting the Health of Man and Animals 



UNITED STATES DEPARTMENT OF AGRICULTURE 

 DEPARTMENT CIRCULAR 79 



Contribution from the Bureau of Entomology 

 L. O. HOWARD, Chief 



Washington, D. C. Issued January, 1920 



WASHINGTON : GOVERNMENT PRINTING OFFICE : 1920 



