Mayflies of the United States
Mayflies of Mills County, Iowa
Species denoted with an asterisk (*) are unconfirmed or dubious records.
Ephemeridae
No Common Name -- (Hexagenia limbata)
Heptageniidae
No Common Name -- (Heptagenia diabasia) No Common Name -- (Heptagenia flavescens) No Common Name -- (Stenonema exiguum) No Common Name -- (Stenonema terminatum terminatum)
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