Species list, Checklist of Superorder Ephemeropteroidea for York 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 York County (Nebraska, USA)

Class	Insecta Linnaeus, 1758 Insects, True insects	120 437 551	Families Genera Species	Taxom
Subclass	Pterygota Lang, 1888 Winged insects	120 437 551	Families Genera Species	Taxom
Infraclass	Palaeoptera Crampton, 1915 Ancient winged insects	13 24 35	Families Genera Species	Taxom
Superorder	Ephemeropteroidea Rohdendorf, 1968	5 7 7	Families Genera Species	Taxom

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

Baetidae Leach, 1815	Mayflies	2	Species	Taxom
Polymitarcyidae Banks, 1900	Pale Burrower Mayflies	1	Species	Taxom
Heptageniidae Needham, 1901	Flat-Bodied Up-Wings Heptageniidae	3	Species	Taxom
Oligoneuriidae Ulmer, 1914	Brushleg Mayflies	1	Species	Taxom
Leptohyphidae Landa & Soldán, 1985	Little Stout Crawler Mayflies	0	Species	Taxom

Genera for York County (Nebraska)
7 Genera with 7 Species

Acentrella Bengtsson, 1926		1	Species	Taxom
Ephoron Williamson, 1823	White Flies	1	Species	Taxom
Fallceon Waltz & McCa..., 1923	Blue-winged Olives	1	Species	Taxom
Heptagenia Walsh, 1862		2	Species	Taxom
Isonychia Eaton, 1931	Slate Drakes	1	Species	Taxom
Maccaffertium Bednarik, 1862		1	Species	Taxom
Tricorythodes Ulmer, 1920		0	Species	Taxom

Species list for York County (Nebraska)
7 Species

Acentrella insignificans McDunnough, 1926
Ephoron album Say, 1823
Fallceon quilleri Dodds, 1923
Heptagenia (Heptagenia) elegantula Eaton, 1885
Heptagenia (Heptagenia) flavescens Walsh, 1862
Isonychia (Isonychia) rufa McDunnough, 1931	Shortstyle draba
Maccaffertium terminatum Walsh, 1862

Subnodes of Ephemeropteroidea with occurrences in York County (Nebraska)

Order

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

5
7
7

Families
Genera
Species