Checklist for Order Ephemeroptera Hyatt & Arms, 1891 (Mayflies)
and region Umatilla County (Oregon, USA)
List of families for Umatilla County
6 Families width 8 Species
Genera for Umatilla County
10 Genera with 8 Species | Caenis Stephens, 1907 | | 1 | Species | Taxom | | Callibaetis Eaton, 1862 | Speckled Duns | 1 | Species | Taxom | Cloeon Leach, 1815 | | 0 | Species | Taxom | Heptagenia Walsh, 1863 | | 0 | Species | Taxom | | Hexagenia Walsh, 1829 | Giant Mayflies | 2 | Species | Taxom | | Isonychia Eaton, 1862 | Slate Drakes | 1 | Species | Taxom | | Maccaffertium Bednarik, 1862 | | 2 | Species | Taxom | | Rhithrogena Eaton, 1924 | March Browns | 1 | Species | Taxom | Stenonema Traver, 1933 | | 0 | Species | Taxom | Tricorythodes Ulmer, 1920 | | 0 | Species | Taxom |
Species list for Umatilla County
8 Species
Subnodes of Ephemeroptera with occurrences in Umatilla County
 | | Ephemeroptera (Hyatt & Arms 1891) |
Links, sources and further information Ephemeroptera at ru.ac.za
Ephemeroptera at artfakta.se
Ephemeroptera at biodiversity.org.au
Ephemeroptera at dyntaxa.se
Ephemeroptera at gbif.org
Ephemeroptera at irmng.org
Ephemeroptera at itis.gov
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