A review of two nearctic species of the shore-fly genus Philygria stenhammar: P. Debilis loew and P. nigrescens (Cresson) (diptera: Ephydridae)

James F Edmiston
Wayne N Mathis

Published in Proceedings of the Entomological Society of Washington, in 2005, in volume 107, pages 7-20

Date published:2005

BHL: 32142781
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