Mayflies of the United States
Mayflies of Park County (Excludes Yellowstone National Park), Wyoming
Species denoted with an asterisk (*) are unconfirmed or dubious records.
Ephemerellidae
No Common Name -- (Caudatella heterocaudata heterocaudata) No Common Name -- (Caudatella hystrix) No Common Name -- (Drunella doddsi)
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