Mayflies of the United States
Mayflies of Utah County, Utah
Species denoted with an asterisk (*) are unconfirmed or dubious records.
Ameletidae
No Common Name -- (Ameletus celer)
Baetidae
No Common Name -- (Diphetor hageni)
Ephemerellidae
No Common Name -- (Ephemerella inermis) No Common Name -- (Ephemerella infrequens)
Heptageniidae
No Common Name -- (Nixe criddlei) No Common Name -- (Stenonema terminatum terminatum)
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