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476 mayflies species
Parameletus columbiae
Parameletus midas
Penelomax septentrionalis
Plauditus cestus
Plauditus cingulatus
Plauditus dubius
Plauditus punctiventris
Plauditus veteris
Plauditus virilis
Procloeon fragile
Procloeon mendax
Procloeon nelsoni
Procloeon pennulatum
Procloeon quaesitum
Procloeon rivulare
Procloeon rubropictum
Procloeon rufostrigatum
Procloeon simplex
Procloeon texanum
Procloeon venosum
Procloeon viridoculare
Pseudocentroptiloides morihari
Pseudocentroptiloides usa
Pseudocloeon dardanum
Pseudocloeon ephippiatum
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