THE INSECT PEST SURVEY 
r '\ 
U>- 
' if 
& 24 
BULLETIN 
LIBRARY 
STATE plant board 
Volume 21 Supplement to No. 9 November 8, 1941 
BUREAU OF 
ENTOMOLOGY AND PLANT QUARANTINE 
UNITED STATES 
DEPARTMENT OF AGRICULTURE 
AND 
THE STATE ENTOMOLOGICAL 
AGENCIES COOPERATING 
