Species list, Checklist of Infraclass Palaeoptera (Ancient winged insects) for Washington (Nemaha 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 Infraclass Palaeoptera Crampton, 1915 (Ancient winged insects)
and region Washington (Nemaha County, Nebraska, USA)

Class	Insecta Linnaeus, 1758 Insects, True insects	65 118 117	Families Genera Species	Taxom
Subclass	Pterygota Lang, 1888 Winged insects	65 118 117	Families Genera Species	Taxom
Infraclass	Palaeoptera Crampton, 1915 Ancient winged insects	4 4 4	Families Genera Species	Taxom

List of families for Washington (Nemaha County Nebraska)
4 Families width 4 Species

Ephemerellidae Klapálek, 1909	Blue-Winged Olive Ephemerellidae	1	Species	Taxom
Ephemeridae Leach, 1817	Burrowing mayflies	1	Species	Taxom
Lestidae Calvert, 1901	Spread-winged damselflies	1	Species	Taxom
Libellulidae Rambur, 1842	Chasers	1	Species	Taxom

Genera for Washington (Nemaha County Nebraska)
4 Genera with 4 Species

Ephemerella Walsh, 1862	And Pale Duns	1	Species	Taxom
Hexagenia Walsh, 1829	Giant Mayflies	1	Species	Taxom
Lestes Leach, 1861	Emerald Damselflies	1	Species	Taxom
Leucorrhinia Brittinger, 1861	Whitefaces	1	Species	Taxom

Species list for Washington (Nemaha County Nebraska)
4 Species

Ephemerella (Ephemerella) excrucians Walsh, 1862	Bluewinged olive dun
Hexagenia (Hexagenia) limbata Serville, 1829	Burrowing mayfly
Lestes congener Hagen, 1861	Spotted Spreadwing
Leucorrhinia intacta Hagen, 1861	Dot-tailed Whiteface

Subnodes of Palaeoptera with occurrences in Washington (Nemaha County Nebraska)

Superorder	Ephemeropteroidea Rohdendorf, 1968	2 2 2	Families Genera Species	Taxom
Superorder	Odonatoptera Martynov, 1932	2 2 2	Families Genera Species	Taxom

Links, sources and further information

Palaeoptera at itis.gov