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  1. A review of two nearctic species of the shore-fly genus Philygria stenhammar: P. Debilis loew and P. nigrescens (Cresson) (diptera: Ephydridae)
    By: Edmiston, James F - Mathis, Wayne N.
    Type: Article
    In: Proceedings of the Entomological Society of Washington.
    Volume: 107
    Date: 2005
    Page Range: 7--20
    Publication info: Washington, etc. :Entomological Society of Washington
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