Species list, Checklist of Superorder Ephemeropteroidea for Pendleton (Umatilla 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

Taxonomy & Distribution
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INSECTOIDGERENGDARK LIGHT

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Checklist for Superorder Ephemeropteroidea Rohdendorf, 1968
and region Pendleton (Umatilla County, Oregon, USA)

Class	Insecta Linnaeus, 1758 Insects, True insects	29 56 67	Families Genera Species	Taxom
Subclass	Pterygota Lang, 1888 Winged insects	29 56 67	Families Genera Species	Taxom
Infraclass	Palaeoptera Crampton, 1915 Ancient winged insects	3 3 3	Families Genera Species	Taxom
Superorder	Ephemeropteroidea Rohdendorf, 1968	1 1 1	Family Genus Species	Taxom

List of families for Pendleton (Umatilla County)
1 Family width 1 Species

Heptageniidae Needham, 1901

Flat-Bodied Up-Wings Heptageniidae

Species

Taxom

Genera for Pendleton (Umatilla County)
1 Genera with 1 Species

Rhithrogena Eaton, 1924

March Browns

Species

Taxom

Species list for Pendleton (Umatilla County)
1 Species

Rhithrogena morrisoni Banks, 1924

Subnodes of Ephemeropteroidea with occurrences in Pendleton (Umatilla County)

Order

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

1
1
1

Family
Genus
Species

Taxom