Mayflies of the United States
Mayflies of Duchesne County, Utah
Species denoted with an asterisk (*) are unconfirmed or dubious records.
Ephemerellidae
No Common Name -- (Attenella margarita) No Common Name -- (Ephemerella inermis) No Common Name -- (Ephemerella infrequens)
Heptageniidae
No Common Name -- (Heptagenia solitaria)
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