Technical Series. No. 27. 



U. S. DEPARTMENT OF AGRICULTURE. 



L. O. HOWARD, Entomologist and Chief of Bureau. 



CLASSIFICATION OF THE ALEYRODID Jl. 



BY 



A. L. QUAINTANCE, 



In Charge of Deciduous Fruit Insect Investigations , 



AND 



A. C. BAKER, 



Entomological Assistant. 



Issued February 13, 1915. 



WASHINGTON: 

 GOVERNMENT PRINTING OFFICE. 

 1016. 



