STAI bOARD 
THE INSECT PEST SURVEY 
BULLETIN 
Volume 18 Supplement to Number 4 June 15, 1938 
BUREAU OF 
ENTOMOLOGY AND PLANT QUARANTINE 
UNITED STATES 
DEPARTMENT OF AGRICULTURE 
AND 
THE STATE ENTOMOLOGICAL 
AGENCIES COOPERATING 
LIBRARY 
STATE PLANT BOARD 
