The mayfly Rhithrogena virilis was first described in 1934 by McDunnough in western Canada. Since its description, it has been recorded only once. We reared nymphs and provide descriptions and digital photos that may make identification of this species easier.
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1 July 2010
Note on the Redescription of the Nymph of the Mayfly Rhithrogena virilis McDunnough 1934 (Ephemeroptera: Heptageniidae)
Robert L. Newell,
Donald Schenck
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Western North American Naturalist
Vol. 70 • No. 2
July 2010
Vol. 70 • No. 2
July 2010
descriptions
mayfly
Montana
morphology
photos
Rhithrogena