Species list, Checklist of Infraclass Palaeoptera (Ancient winged insects) for Decatur (San Juan County, Washington, 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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INSECTOIDGERENGDARK LIGHT

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Checklist for Infraclass Palaeoptera Crampton, 1915 (Ancient winged insects)
and region Decatur (San Juan County, Washington, USA)

Class	Insecta Linnaeus, 1758 Insects, True insects	54 149 165	Families Genera Species	Taxom
Subclass	Pterygota Lang, 1888 Winged insects	54 149 165	Families Genera Species	Taxom
Infraclass	Palaeoptera Crampton, 1915 Ancient winged insects	2 2 3	Families Genera Species	Taxom

List of families for Decatur (San Juan County Washington)
2 Families width 3 Species

Ephemeridae Leach, 1817	Burrowing mayflies	1	Species	Taxom
Coenagrionidae Kirby, 1890	Narrow-winged damselflies	2	Species	Taxom

Genera for Decatur (San Juan County Washington)
2 Genera with 3 Species

Hexagenia Walsh, 1829	Giant Mayflies	1	Species	Taxom
Ischnura Charpentier, 1861	Forktail	2	Species	Taxom

Species list for Decatur (San Juan County Washington)
3 Species

Hexagenia (Hexagenia) limbata Serville, 1829	Burrowing mayfly
Ischnura hastata Say, 1839	Citrine Forktail
Ischnura posita Hagen, 1861	Fragile Forktail

Subnodes of Palaeoptera with occurrences in Decatur (San Juan County Washington)

Superorder	Ephemeropteroidea Rohdendorf, 1968	1 1 1	Family Genus Species	Taxom
Superorder	Odonatoptera Martynov, 1932	1 1 2	Family Genus Species	Taxom

Links, sources and further information

Palaeoptera at itis.gov