Mayflies of the United States

Mayflies of Cook County, Illinois

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

Baetidae

No Common Name -- (Baetis intercalaris)
No Common Name -- (Callibaetis ferrugineus ferrugineus)
No Common Name -- (Callibaetis fluctuans)
No Common Name -- (Plauditus dubius)
No Common Name -- (Plauditus punctiventris)
No Common Name -- (Pseudocloeon frondale)

Caenidae

No Common Name -- (Caenis amica)

Ephemeridae

No Common Name -- (Ephemera simulans)
No Common Name -- (Hexagenia limbata)
No Common Name -- (Hexagenia rigida)
No Common Name -- (Pentagenia vittigera)

Heptageniidae

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

Isonychiidae

No Common Name -- (Isonychia sicca)

Leptophlebiidae

No Common Name -- (Paraleptophlebia ontario)

Siphlonuridae

No Common Name -- (Siphlonurus alternatus)

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