U. S. DEPARTMENT OF AGRICULTURE, 
BUREAU OF ENTOMOLOGY -BULLETIN No. 73 (Rftj*$)B f^ 
L.O HOWARD. Enlomobgwl and Chief of Bureau * E 
?' S ' *V tun* 
toONOMIC LOSS TO Till-] t>E0PLE OF THE 
imtld status tiikokjii insists 
that carry disease; 
L. O. HOWARD, Pn. I). 
Entomologist ami Chief of JZureau. 
Issued May 27, 1909. 
WASHINGTON: 
GOVERNMENT PRINTING OFFICE 
1909. 
