Separation and redescription of Hormaphis hamamelidis (Fitch 1851) and Hormaphis cornu (Shimer 1867) (Homoptera: Aphididae) on witch-hazel in the eastern United States

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https://www.biodiversitylibrary.org/item/54815#page/551/mode/1up
Authors: Carol von Dohlen, Manya Stoetzel
License: CC-BY
Publication Year: 1991
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Von Dohlen, C. D. "Separation and redescription of Hormaphis hamamelidis (Fitch 1851) and Hormaphis cornu (Shimer 1867) (Homoptera: Aphididae) on witch-hazel in the eastern United States." Proc. Entomol. Soc. Wash. 93 (1991): 533-548.

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