THE INSECT PEST SURVEY 
BULLETIN 
A periodica! revisw of entomological conditions throughout the United States 
issued on the first of each month from March to December, inclusive. 
LIBRARY 
STATE PLANT BOARD 
Volume 11 November 1, 1931. Number 9 
BUREAU OF ENTOMOLOGY 
* 
UNITED STATES 
DEPARTMENT OF AGRICULTURE 
AND 
THE STATE ENTOMOLOGICAL 
AGENCIE3 COOPERATING 
