ubrary 
STATE PLANT BOARD 
^ I HE fNSECT PEST 
i 
BULLETIN 
SURVEY 
Volume 21 September 1, 1941 Number 7 
BUREAU OF 
ENTOMOLOGY AND PLANT QUARANTINE 
UNITED STATES 
DEPARTMENT OF AGRICULTURE 
AND 
THE STATE ENTOMOLOGICAL 
AGENCIES COOPERATING 
