Suggestions
Quick select
Popular traits
476 mayflies species
Pseudocloeon frondale
Pseudocloeon propinquum
Pseudocloeon longipalpus
Rhithrogena amica
Rhithrogena anomala
Rhithrogena brunneotincta
Rhithrogena exilis
Rhithrogena fasciata
Rhithrogena gaspeensis
Rhithrogena impersonata
Rhithrogena jejuna
Rhithrogena manifesta
Rhithrogena robusta
Rhithrogena rubicunda
Rhithrogena uhari
Baetisca obesa
Neoleptophlebia mollis
Baetisca lacustris
Serratella levis
Serratella micheneri
Serratella frisoni
Serratella serrata
Baetis rusticans
Siphlonurus barbaroides
Siphlonurus columbianus
At least 12 characters with a letter and a number.