-
By: United States. Bureau of Entomology and Plant Quarantine. Division of Forest Insect Investigations.Edition:Publication info: Beltsville, Maryland, United States Departmentof Agriculture, Bureau of Entomology and Plant Quarantine, Division of Forest Insect Investigations, 1951Volume:Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects: Diseases and pests Eriophyidae Galls (Botany) Leaves Silver mapleBHL Collections: