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dd^'lf U. S. DEPARTMENT OF AGRICULTURE 



the 



LIBRARY 



(JH^ ' ' S£^--^L RECORD 



^ JUN2 5^959/|^ 





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^ 



;^ V 



iiiiiiiii 



I How to Control It with Insecticides 

 ^^^^event Its Spread 



r^T 



Leaflet No. 401 



