Technical Series, No. 27, Part II. 



U. S. DEPARTMENT OF AGRICULTURE. 



HJIRIS^U OF KNTOMOLOG-Y. 



L. 0. HOWARD, Entomologist and Chief of Bureau. 



CLASSIFICATION OF THE ALEYRODID^. 



PART II. 



BY 



A. L. QUAINTANCE, 



In Charge of Deciduous Fruit Insect Investigations, 



AND 



A. C. BAKER, 



Expert. 



Issued September 9, 1914. / *i'\V7Q 70]^ 



WASHINGTON: 



GOVERNMENT PRINTING OFFICE. 



1914. 



