July, 1926 



Extension Service Bulletin No. 138 



Control of Bee Diseases and Pests 



■■■Ot?^ 



(Courtesy of Frank C. Pellett, Am. Bee Journal) 

 Putting- combs in saclcs. 



IOWA STATE COLLEGE OP AGRICULTURE 

 AND MECHANIC ARTS 



EXTENSION SERVICE 

 R. K. Bliss, Director 



AMES, IOWA 



Issued and distributed under Acts of Congress 

 of May 8 and June 30, 1914. 



