THE INSECT PEST SURVEY 
BULLETIN 
3| 7'.^ 
iJL* 
Volume 18 
March 1, 1938 
Number 1 
BUREAU OF 
ENTOMOLOGY AND PLANT QUARANTINE 
UNITED STATES 
DEPARTMENT OF AGRICULTURE 
AND 
THE STATE ENTOMOLOGICAL 
AGENCIES COOPERATING 
• 
LIBRARY 
OTATE PLANT BOARD 
