Mayflies of the United States

Mayflies of Clackamas County, Oregon

Species denoted with an asterisk (*) are unconfirmed or dubious records.

Ephemerellidae

No Common Name -- (Attenella margarita)
No Common Name -- (Caudatella cascadia)
No Common Name -- (Caudatella edmundsi)
No Common Name -- (Caudatella jacobi)
No Common Name -- (Drunella grandis ingens)
No Common Name -- (Serratella tibialis)
No Common Name -- (Serratella velmae)
No Common Name -- (Timpanoga hecuba hecuba)

Heptageniidae

No Common Name -- (Nixe criddlei)

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