Mayflies of the United States
Mayflies of Columbiana County, Ohio
Species denoted with an asterisk (*) are unconfirmed or dubious records.
Ephemerellidae
No Common Name -- (Ephemerella excrucians) No Common Name -- (Ephemerella needhami) No Common Name -- (Eurylophella verisimilis)
Heptageniidae
No Common Name -- (Stenonema exiguum) No Common Name -- (Stenonema femoratum)
Isonychiidae
No Common Name -- (Isonychia bicolor) No Common Name -- (Isonychia rufa)
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