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By: Allen, H. W. - United States. Bureau of Entomology and Plant Quarantine.Edition:Publication info: [Washington, D.C.?], Bureau of Entomology and Plant Quarantine, Agricultural Research Administration, U.S. Dept. of Agriculture, 1948Volume: no.3Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects:BHL Collections: