Species list, Checklist of Superorder Ephemeropteroidea for Columbia 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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Columbia County

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INSECTOIDGERENGDARK LIGHT

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

Class	Insecta Linnaeus, 1758 Insects, True insects	58 187 245	Families Genera Species	Taxom
Subclass	Pterygota Lang, 1888 Winged insects	58 187 245	Families Genera Species	Taxom
Infraclass	Palaeoptera Crampton, 1915 Ancient winged insects	5 7 8	Families Genera Species	Taxom
Superorder	Ephemeropteroidea Rohdendorf, 1968	3 5 6	Families Genera Species	Taxom

List of families for Columbia County (Washington)
3 Families width 6 Species

Caenidae Newman, 1853	Small square-gill mayflies	1	Species	Taxom
Leptophlebiidae Banks, 1900	Leptophlebiids	3	Species	Taxom
Heptageniidae Needham, 1901	Flat-Bodied Up-Wings Heptageniidae	2	Species	Taxom

Genera for Columbia County (Washington)
5 Genera with 6 Species

Caenis Stephens, 1907		1	Species	Taxom
Leptophlebia Westwood, 1933		1	Species	Taxom
Paraleptophlebia Lestage, 1884		2	Species	Taxom
Stenacron Jensen, 1839	Light Cahills	1	Species	Taxom
Stenonema Traver, 1823		1	Species	Taxom

Species list for Columbia County (Washington)
6 Species

Caenis (Caenis) latipennis Banks, 1907	Graywinged sulphur dun
Leptophlebia (Leptophlebia) pacifica McDunnough, 1933
Paraleptophlebia heteronea McDunnough, 1924
Paraleptophlebia memorialis Eaton, 1884
Stenacron interpunctatum Say, 1839	Ginger quill
Stenonema femoratum Say, 1823	Dark Cahill

Subnodes of Ephemeropteroidea with occurrences in Columbia County (Washington)

Order

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

3
5
6

Families
Genera
Species