Mayflies of the United States
Mayflies of Mc Lean County, Illinois
Species denoted with an asterisk (*) are unconfirmed or dubious records.
Ephemeridae
No Common Name -- (Hexagenia limbata) No Common Name -- (Pentagenia vittigera)
Heptageniidae
No Common Name -- (Leucrocuta hebe)
Polymitarcyidae
No Common Name -- (Ephoron leukon) No Common Name -- (Tortopus primus)
Potamanthidae
No Common Name -- (Anthopotamus verticis)
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