Life history and control of the hop flea-beetle
Parker, William B.
Life history and control of the hop flea-beetle - Washington 1910 - 1-58 p. - History United States Department of Agriculture, Bureau of Entomology, Bulletin No. 82 .
Life history and control of the hop flea-beetle - Washington 1910 - 1-58 p. - History United States Department of Agriculture, Bureau of Entomology, Bulletin No. 82 .