Papers on cereal and forage insects, 1. Maize billbug
Kelly, E.O.G.
Papers on cereal and forage insects, 1. Maize billbug - Washigton 1911 - 1-22 p. - Maize United States Department of Agriculture, Bureau of Entomology. Bulletin No. 95, Part II .
Papers on cereal and forage insects, 1. Maize billbug - Washigton 1911 - 1-22 p. - Maize United States Department of Agriculture, Bureau of Entomology. Bulletin No. 95, Part II .