Species list, Checklist of Superorder Ephemeropteroidea for Seward County (Nebraska, 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

Taxonomy & Distribution
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INSECTOIDGERENGDARK LIGHT

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Checklist for Superorder Ephemeropteroidea Rohdendorf, 1968
and region Seward County (Nebraska, USA)

Class	Insecta Linnaeus, 1758 Insects, True insects	130 529 721	Families Genera Species	Taxom
Subclass	Pterygota Lang, 1888 Winged insects	130 529 721	Families Genera Species	Taxom
Infraclass	Palaeoptera Crampton, 1915 Ancient winged insects	13 28 44	Families Genera Species	Taxom
Superorder	Ephemeropteroidea Rohdendorf, 1968	5 8 7	Families Genera Species	Taxom

List of families for Seward County (Nebraska)
5 Families width 7 Species

Caenidae Newman, 1853	Small square-gill mayflies	2	Species	Taxom
Ephemeridae Leach, 1817	Burrowing mayflies	2	Species	Taxom
Oligoneuriidae Ulmer, 1914	Brushleg Mayflies	1	Species	Taxom
Heptageniidae Needham, 1901	Flat-Bodied Up-Wings Heptageniidae	1	Species	Taxom
Leptohyphidae Landa & Soldán, 1985	Little Stout Crawler Mayflies	1	Species	Taxom

Genera for Seward County (Nebraska)
8 Genera with 7 Species

Amercaenis Provonsha an..., 1931		1	Species	Taxom
Caenis Stephens, 1907		1	Species	Taxom
Hexagenia Walsh, 1829	Giant Mayflies	1	Species	Taxom
Isonychia Eaton, 1931	Slate Drakes	1	Species	Taxom
Pentagenia Walsh, 1862		1	Species	Taxom
Stenacron Jensen, 1839	Light Cahills	1	Species	Taxom
Stenonema Traver, 1933		0	Species	Taxom
Tricorythodes Ulmer, 1905		1	Species	Taxom

Species list for Seward County (Nebraska)
7 Species

Amercaenis ridens McDunnough, 1931
Caenis (Caenis) latipennis Banks, 1907	Graywinged sulphur dun
Hexagenia (Hexagenia) limbata Serville, 1829	Burrowing mayfly
Isonychia (Isonychia) rufa McDunnough, 1931	Shortstyle draba
Pentagenia vittigera Walsh, 1862
Stenacron interpunctatum Say, 1839	Ginger quill
Tricorythodes allectus Needham, 1905

Subnodes of Ephemeropteroidea with occurrences in Seward County (Nebraska)

Order

Ephemeroptera
Hyatt & Arms, 1891
Mayflies, Mayflies Anglers Curse, Mayflies Greendrakes, Mayflies Olives Etc, mayfly, Shadflies

5
8
7

Families
Genera
Species