Western-black-quill
Guides
Rhithrogena hageni
Western Black Quill
Rhithrogena hageni is a mayfly species in the family Heptageniidae, first described by Eaton in 1885. It is known from the Nearctic region, specifically North America. The species is commonly referred to as the Western Black Quill. Like other members of the genus Rhithrogena, it is associated with lotic (flowing water) habitats where its nymphs develop.