Species list, Checklist of Order Ephemeroptera (Mayflies) for Elk Creek (Grayson County, Virginia, USA)

Ants	Arachnids
Bees	Beetles
Booklice	Bugs
Bumblebees	Butterflies
Cicadas	Crane flies
Dragonflies	Earwigs
Flies	Isopods
Locusts	Mantises
Mayflies	Mosquitoes
Myriapods	Net-winged
Plant-parasitic	Scorpion flies
Termites	Wasps

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Checklist for Order Ephemeroptera Hyatt & Arms, 1891 (Mayflies)
and region Elk Creek (Grayson County, Virginia, USA)

Class	Insecta Linnaeus, 1758 Insects, True insects	25 36 35	Families Genera Species	Taxom
Subclass	Pterygota Lang, 1888 Winged insects	25 36 35	Families Genera Species	Taxom
Infraclass	Palaeoptera Crampton, 1915 Ancient winged insects	5 6 8	Families Genera Species	Taxom
Superorder	Ephemeropteroidea Rohdendorf, 1968	3 4 4	Families Genera Species	Taxom
Order	Ephemeroptera Hyatt & Arms, 1891 Mayflies, Mayflies Anglers Curse, Mayflies Greendrakes	3 4 4	Families Genera Species	Taxom

List of families for Elk Creek (Grayson County Virginia)
3 Families width 4 Species

Heptageniidae (Needham, 1901)	Flat-Bodied Up-Wings Heptageniidae	2	Species	Taxom
Oligoneuriidae (Ulmer, 1914)	Brushleg Mayflies	1	Species	Taxom
Ephemerellidae Klapálek, 1909	Blue-Winged Olive Ephemerellidae	1	Species	Taxom

Genera for Elk Creek (Grayson County Virginia)
4 Genera with 4 Species

Heptagenia Walsh, 1885		1	Species	Taxom
Isonychia Eaton, 1931	Slate Drakes	1	Species	Taxom
Rhithrogena Eaton, 1885	March Browns	1	Species	Taxom
Teloganopsis Ulmer, 1911		1	Species	Taxom

Species list for Elk Creek (Grayson County Virginia)
4 Species

Heptagenia (Heptagenia) elegantula Eaton, 1885
Isonychia georgiae (McDunnough, 1931)	⇒ Isonychia winkleri Ulmer, 1939
Rhithrogena manifesta (Eaton, 1885)	⇒ Rhithrogena zhiltzovae Sinitshenkova, 1979
Teloganopsis deficiens Morgan, 1911

Subnodes of Ephemeroptera with occurrences in Elk Creek (Grayson County Virginia)

Suborder	Furcatergalia Kluge, 1993	1 1 1	Family Genus Species	Taxom
Suborder	Pisciforma McCafferty, 1991	2 3 3	Families Genera Species	Taxom

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