Mayflies of the United States
Mayflies of Summit County, Colorado
Species denoted with an asterisk (*) are unconfirmed or dubious records.
Baetidae
No Common Name -- (Acentrella turbida)
Ephemerellidae
No Common Name -- (Drunella grandis grandis)
Heptageniidae
No Common Name -- (Epeorus longimanus)
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