Library 
StATE Ei-AN'f BOARD 
THE INSECT PEST SURVEY 
BULLETIN 
Voluma 20 
Supplement to No. 1 
March 8, 1940 
BUREAU OF 
ENTOMOLOGY AND PLANT QUARANTINE 
UNITED STATES 
DEPARTMENT OF AGRICULTURE 
AND 
THE STATE ENTOMOLOGICAL 
AGENCIES COOPERATING 
