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By: Sanders, James Glossbrenner, - United States. Bureau of Entomology. - United States. Department of Agriculture.Edition:Publication info: Washington, D.C, U.S. Dept. of Agriculture, Bureau of Entomology, 1905Volume: ser.2:no.64Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects: Agricultural pests Pulvinaria Scale insectsBHL Collections: