Mayflies of the United States
Mayflies of Iroquois County, Illinois
Species denoted with an asterisk (*) are unconfirmed or dubious records.
Caenidae
No Common Name -- (Caenis hilaris)
Ephemeridae
No Common Name -- (Hexagenia limbata)
Heptageniidae
No Common Name -- (Stenacron interpunctatum)
Isonychiidae
No Common Name -- (Isonychia rufa)
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