Species list, Checklist of Suborder Arctoperlaria for Washington County (Oregon, 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 Suborder Arctoperlaria Zwick, 1973
and region Washington County (Oregon, USA)

Class	Insecta Linnaeus, 1758 Insects, True insects	13 20 21	Families Genera Species	Taxom
Subclass	Pterygota Lang, 1888 Winged insects	13 20 21	Families Genera Species	Taxom
Infraclass	Neoptera van der Wulp, 1890 Modern Wing-folding insects	11 18 19	Families Genera Species	Taxom
Superorder	Polyneoptera Martynov, 1923	3 4 4	Families Genera Species	Taxom
Order	Plecoptera Burmeister, 1839 Stoneflies, Stoneflies Plecoptera, Stonefly	3 4 4	Families Genera Species	Taxom
Suborder	Arctoperlaria Zwick, 1973	3 4 4	Families Genera Species	Taxom

List of families for Washington County (Oregon)
3 Families width 4 Species

Capniidae Klapálek, 1905	Capniid winter stoneflies	1	Species	Taxom
Nemouridae Newman, 1853	Brown stoneflies	2	Species	Taxom
Taeniopterygidae Klapálek, 1905	Taeniopterygid winter stoneflies	1	Species	Taxom

Genera for Washington County (Oregon)
4 Genera with 4 Species

Isocapnia Banks, 1943		1	Species	Taxom
Ostrocerca Ricker, 1936		1	Species	Taxom
Soyedina Ricker, 1923		1	Species	Taxom
Taenionema Banks, 1925		1	Species	Taxom

Species list for Washington County (Oregon)
4 Species

Isocapnia spenceri Ricker, 1943	Chilliwack Snowfly
Ostrocerca dimicki Frison, 1936	Hooked Forestfly
Soyedina producta Claassen, 1923	Knobbed Forestfly
Taenionema oregonense Needham & Cl..., 1925	Oregon Willowfly

Subnodes of Arctoperlaria with occurrences in Washington County (Oregon)

Infraorder

Euholognatha
Zwick, 1973

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Families
Genera
Species