U. S. DEPARTMENT OF AGRICULTURE. 



BUREAU OF ENTOMOLOGY— BULLETIN No. 102. 



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



NATllRAl. CONTROL 01^^ WHITE FLIES 

 IN FLORIDA. 



A^'W. MORRILL, Pii. D., 



AND 



E. A. BACK, Ph. D. 



Issued September 14, 1912. 



i^^VV 



WASHINGTON: 



GOVERNMENT PRINITNO OFFICE. 



1912. 



