Mayflies of the United States
Mayflies of Roscommon County, Michigan
Species denoted with an asterisk (*) are unconfirmed or dubious records.
Ephemerellidae
No Common Name -- (Eurylophella lutulenta)
Ephemeridae
No Common Name -- (Ephemera simulans) No Common Name -- (Hexagenia limbata)
Heptageniidae
No Common Name -- (Stenonema femoratum)
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