Mayflies of the United States

Mayflies of Ontario County, New York

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

Baetidae

No Common Name -- (Acerpenna pygmaea)
No Common Name -- (Baetis intercalaris)
No Common Name -- (Baetis tricaudatus)

Caenidae

No Common Name -- (Caenis anceps)
No Common Name -- (Caenis latipennis)

Ephemerellidae

No Common Name -- (Drunella cornutella)
No Common Name -- (Ephemerella rotunda)

Heptageniidae

No Common Name -- (Leucrocuta hebe)
No Common Name -- (Stenacron interpunctatum)
No Common Name -- (Stenonema vicarium)

Isonychiidae

No Common Name -- (Isonychia bicolor)

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