BRANCH 



The Potential for Genetic Suppression 



of Insect Populations 



by Their Adaptations to Climate 



Miscellaneous Publication No. 1178 



0. S. DEPT. OF AGRICULTURE 

 NATIONAL AGRICULTURAL LIB3ARY 



MAY 2 1971 



CURRENT SERIAL RECORDS 



Agricultural Research Service 

 UNITED STATES DEPARTMENT OF AGRICULTURE 



