Papers on dscidous fruit insects and insecticides
Jenne, E.L. and Others
Papers on dscidous fruit insects and insecticides - Washington 1912 - 1-167 p. - Fruit, Insects, Insecticides United States Department of Agriculture, Bureau of Entomology, Bulletin No. 80 .
Papers on dscidous fruit insects and insecticides - Washington 1912 - 1-167 p. - Fruit, Insects, Insecticides United States Department of Agriculture, Bureau of Entomology, Bulletin No. 80 .