Species list, Checklist of Superorder Ephemeropteroidea for Big Horn County (Wyoming, 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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Big Horn County

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INSECTOIDGERENGDARK LIGHT

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Checklist for Superorder Ephemeropteroidea Rohdendorf, 1968
and region Big Horn County (Wyoming, USA)

Class	Insecta Linnaeus, 1758 Insects, True insects	127 409 495	Families Genera Species	Taxom
Subclass	Pterygota Lang, 1888 Winged insects	127 409 495	Families Genera Species	Taxom
Infraclass	Palaeoptera Crampton, 1915 Ancient winged insects	11 18 27	Families Genera Species	Taxom
Superorder	Ephemeropteroidea Rohdendorf, 1968	4 4 2	Families Genera Species	Taxom

List of families for Big Horn County
4 Families width 2 Species

Baetiscidae Banks, 1900	Armored Mayflies	1	Species	Taxom
Polymitarcyidae Banks, 1900	Pale Burrower Mayflies	1	Species	Taxom
Heptageniidae Needham, 1901	Flat-Bodied Up-Wings Heptageniidae	0	Species	Taxom
Leptohyphidae Landa & Soldán, 1985	Little Stout Crawler Mayflies	0	Species	Taxom

Genera for Big Horn County
4 Genera with 2 Species

Baetisca Walsh, 1932		1	Species	Taxom
Ephoron Williamson, 1823	White Flies	1	Species	Taxom
Heptagenia Walsh, 1863		0	Species	Taxom
Tricorythodes Ulmer, 1920		0	Species	Taxom

Species list for Big Horn County
2 Species

Baetisca lacustris McDunnough, 1932	Cushion draba
Ephoron album Say, 1823

Subnodes of Ephemeropteroidea with occurrences in Big Horn County

Order

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

4
4
2

Families
Genera
Species