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By: Whittle, K. - United States. Animal and Plant Health Inspection Service. Plant Protection and Quarantine Programs.Edition:Publication info: [Hyattsville, MD], United States Department of Agriculture, Animal and Plant Health Inspection Service, Plant Protection and Quarantine, September 1985Volume: 81-46Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects: Diseases and pests Fruit TortrixBHL Collections:
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By: Holsten, Edward H. - United States. Forest Service.Edition:Publication info: [Washington, D.C.?], U.S. Dept. of Agriculture, [1988]Volume: R10-TP-12Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects: Alaska Aspen Caterpillars Diseases Diseases and pests TortrixBHL Collections: