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By: Knappen, Phoebe. - United States. Bureau of Biological Survey. - U.S. Fish and Wildlife ServiceEdition: Rev. May 1938.Publication info: Washington, D.C, U.S. Dept. of Agriculture, Bureau of Biological Survey, 1938Volume: no.11Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects: Biological control Blueberry industry Cranberry industry Insect pestsBHL Collections: