^^ 



A CONTRIBUTION TO OUR KNOWLEDGE OF THE 



WHITE FLIES OF THE SUBFAMILY ALEY- 



RODINAE (ALEYRODIDAE) 



BY 



A-. L. QUAINTANCE and A. C. BAKER 



Of the Bureau of Entomology, United Slates Department o( Agriculture 



No. 2156. — From the Proceedings of the United States National Museum, 

 Vol. 51, pages 335-445, with Plates 32-77 



Published January 20, 1917 



Washington 



Government Printing Office 



1917 



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