New Species and Taxonomic Clarifications for Shore Flies from the Delmarva States (Diptera: Ephydridae)

Wayne N. Mathis; Tadeusz Zatwarnicki

doi:10.4289/0013-8797-112.1.97

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Wayne N. Mathis,¹ Tadeusz Zatwarnicki¹

¹(WNM) Department of Entomology, PO Box 37012, MRC 169, Smithsonian Institution, Washington, DC 20013-7012 U.S.A. (e-mail: (TZ) Department of Biosystematics, Opole University, ul. Oleska 22, 45–052 Opole, Poland (e-mail: ) mathisw@si.edu); zatwar@uni.

Abstract

New species of shore flies (Diptera: Ephydridae) from the Delmarva States are described, and taxonomic clarifications are made. The six new species are (type locality in parentheses): Discocerina delmarva (Virginia. Stafford: Aquia Harbour, Lions Park), Hydrochasma aquia (Virginia. Stafford: Aquia Harbour, Lions Park), Hydrochasma avanae (Utah. Grand: Swasey Beach (N Green River; shore of Green River; 1255 m), Hydrochasma garvinorum (Virginia. Rappahannock: Hazel River (NW Culpeper; 171 m)), Allotrichoma deonieri (Virginia. Spotsylvania: Rappahannock River), and Hydrellia toma (Virginia. Fairfax: Great Falls (Clay Pond)). The taxonomic changes are as follows: Psilopa obscuripes Loew is the correct name for “P. compta” of New World authors, nec Meigen; Discocerina parva Loew is confirmed as a junior synonym of Discocerina obscurella (Fallén), and the identification of the latter species is clarified with detailed illustrations and description of structures of the male terminalia.

Citation Download Citation

Wayne N. Mathis and Tadeusz Zatwarnicki "New Species and Taxonomic Clarifications for Shore Flies from the Delmarva States (Diptera: Ephydridae)," Proceedings of the Entomological Society of Washington 112(1), 97-128, (1 January 2010). https://doi.org/10.4289/0013-8797-112.1.97

Published: 1 January 2010

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