Mayflies of the United States
Mayflies of Hardin County, Illinois
Species denoted with an asterisk (*) are unconfirmed or dubious records.
Baetidae
No Common Name -- (Callibaetis fluctuans) No Common Name -- (Pseudocloeon propinquum)
Caenidae
No Common Name -- (Caenis hilaris)
Ephemeridae
No Common Name -- (Hexagenia bilineata) No Common Name -- (Hexagenia rigida) No Common Name -- (Pentagenia vittigera)
Heptageniidae
No Common Name -- (Leucrocuta maculipennis) No Common Name -- (Stenacron interpunctatum) No Common Name -- (Stenonema mexicanum integrum) No Common Name -- (Stenonema terminatum terminatum)
Polymitarcyidae
No Common Name -- (Tortopus primus)
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