
on é ae se : ; 0 DIV INSEC By r 7 / 
~ U.S. DEPARTMENT OF AGRICULTURE, - 
BUREAU OF ENTOMOLOGY—BULLETIN No. 92. 4 [s 19@io-)2 
L. O, HOWARD, Entomologist and Chief of Bureau. 
i 
af 
: WHITE FLIES INJURIOUS TO CITRUS 
= IN FLORIDA. 
BY 
A. W. MORRILL, ‘Pu. D., 
AND 
BE. A. BACK, Pu. D. 
Issuep Juny 12,1911, 

















“sonia Insts, ~ 
Fac ti 7 

23 # 
s WASHINGTON: 
Be GOVERNMENT PRINTING OFFICE. 
1911. 

