Species list, Checklist of Superorder Ephemeropteroidea for Midway (Yamhill 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 Superorder Ephemeropteroidea Rohdendorf, 1968
and region Midway (Yamhill County, Oregon, USA)

Class	Insecta Linnaeus, 1758 Insects, True insects	52 108 120	Families Genera Species	Taxom
Subclass	Pterygota Lang, 1888 Winged insects	52 108 120	Families Genera Species	Taxom
Infraclass	Palaeoptera Crampton, 1915 Ancient winged insects	8 8 8	Families Genera Species	Taxom
Superorder	Ephemeropteroidea Rohdendorf, 1968	3 3 2	Families Genera Species	Taxom

List of families for Midway (Yamhill County)
3 Families width 2 Species

Caenidae Newman, 1853	Small square-gill mayflies	1	Species	Taxom
Heptageniidae Needham, 1901	Flat-Bodied Up-Wings Heptageniidae	1	Species	Taxom
Leptohyphidae Landa & Soldán, 1985	Little Stout Crawler Mayflies	0	Species	Taxom

Genera for Midway (Yamhill County)
3 Genera with 2 Species

Caenis Stephens, 1861		1	Species	Taxom
Heptagenia Walsh, 1885		1	Species	Taxom
Tricorythodes Ulmer, 1920		0	Species	Taxom

Species list for Midway (Yamhill County)
2 Species

Caenis (Caenis) amica Hagen, 1861	Heterosporous ferns
Heptagenia (Heptagenia) elegantula Eaton, 1885

Subnodes of Ephemeropteroidea with occurrences in Midway (Yamhill County)

Order

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

3
3
2

Families
Genera
Species