Keys to the Parasites of the Hessian Fly Based on Remains Left in the Host Puparium

C. C. Hill and J. S. Pinckney

No 168506, Technical Bulletins from United States Department of Agriculture, Economic Research Service

Keywords: Environmental; Economics; and; Policy (search for similar items in EconPapers)
Pages: 27
Date: 1940-01
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Persistent link: https://EconPapers.repec.org/RePEc:ags:uerstb:168506

DOI: 10.22004/ag.econ.168506

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