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By: Benson, Mary F. - United States. Bureau of Entomology and Plant Quarantine.Edition:Publication info: [Washington, D.C.], Bureau of Entomology and Plant Quarantine, U.S. Dept. of Agriculture, 1951Volume: no.11Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects: Helicoverpa armigera Internet resourceBHL Collections:
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By: Benson, Mary F. - United States. Bureau of Entomology and Plant Quarantine.Edition: Rev. Aug. 1950.Publication info: [Washington, D.C.], Bureau of Entomology and Plant Quarantine, U.S. Dept. of Agriculture, 1950Volume: no.11Series:Holding Institution: U.S. Department of Agriculture, National Agricultural LibrarySubjects: Corn Diseases and pests Helicoverpa armigeraBHL Collections: