'/ 
n? 
U. S. DEPARTMENT OF AGRICULTURE, 
BUREAU OF ENTOMOLOGY— BULLETIN No. 92. 
L. O. HOWARD, Entomologist and Chief of Bureau. 
A3 63V 
WHITE FLIES INJURIOUS TO CITRUS 
IN FLORIDA. 
•' 0. 
r °n. J of A / 
A. W. MORRILL, Ph. D., 
AND 
E. A. BACK, Ph. D. 
a ?<«* 
Issued July 12, 1911. 
z% 
WASHINGTON: 
GOVERNMENT PRINTING OFFICE. 
1911. 
