Species list, Checklist of Superorder Ephemeropteroidea for Stevens 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

Taxonomy & Distribution
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INSECTOIDGERENGDARK LIGHT

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Checklist for Superorder Ephemeropteroidea Rohdendorf, 1968
and region Stevens County (Washington, USA)

Class	Insecta Linnaeus, 1758 Insects, True insects	215 926 1291	Families Genera Species	Taxom
Subclass	Pterygota Lang, 1888 Winged insects	215 926 1291	Families Genera Species	Taxom
Infraclass	Palaeoptera Crampton, 1915 Ancient winged insects	15 39 78	Families Genera Species	Taxom
Superorder	Ephemeropteroidea Rohdendorf, 1968	6 9 8	Families Genera Species	Taxom

List of families for Stevens County (Washington)
6 Families width 8 Species

Caenidae Newman, 1853	Small square-gill mayflies	1	Species	Taxom
Baetidae Leach, 1815	Mayflies	2	Species	Taxom
Ephemerellidae Klapálek, 1909	Blue-Winged Olive Ephemerellidae	1	Species	Taxom
Heptageniidae Needham, 1901	Flat-Bodied Up-Wings Heptageniidae	3	Species	Taxom
Ephemeridae Leach, 1817	Burrowing mayflies	1	Species	Taxom
Leptohyphidae Landa & Soldán, 1985	Little Stout Crawler Mayflies	0	Species	Taxom

Genera for Stevens County (Washington)
9 Genera with 8 Species

Caenis Stephens, 1907		1	Species	Taxom
Callibaetis Eaton, 1862	Speckled Duns	1	Species	Taxom
Cloeon Leach, 1761		1	Species	Taxom
Ephemerella Walsh, 1909	And Pale Duns	1	Species	Taxom
Heptagenia Walsh, 1885		1	Species	Taxom
Hexagenia Walsh, 1829	Giant Mayflies	1	Species	Taxom
Maccaffertium Bednarik, 1853		1	Species	Taxom
Stenacron Jensen, 1839	Light Cahills	1	Species	Taxom
Tricorythodes Ulmer, 1920		0	Species	Taxom

Species list for Stevens County (Washington)
8 Species

Caenis (Caenis) latipennis Banks, 1907	Graywinged sulphur dun
Callibaetis ferrugineus Walsh, 1862	Red Speckled Dun
Cloeon dipterum Linnaeus, 1761	Common wetland mayfly
Ephemerella (Ephemerella) aurivillii Bengtsson, 1909
Heptagenia (Heptagenia) elegantula Eaton, 1885
Hexagenia (Hexagenia) limbata Serville, 1829	Burrowing mayfly
Maccaffertium vicarium Walker, 1853	American brown
Stenacron interpunctatum Say, 1839	Ginger quill

Subnodes of Ephemeropteroidea with occurrences in Stevens County (Washington)

Order

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

6
9
8

Families
Genera
Species