Species list, Checklist of Superorder Ephemeropteroidea for Polk County (Nebraska, 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 Polk County (Nebraska, USA)

Class	Insecta Linnaeus, 1758 Insects, True insects	154 642 827	Families Genera Species	Taxom
Subclass	Pterygota Lang, 1888 Winged insects	154 642 827	Families Genera Species	Taxom
Infraclass	Palaeoptera Crampton, 1915 Ancient winged insects	11 27 47	Families Genera Species	Taxom
Superorder	Ephemeropteroidea Rohdendorf, 1968	3 5 4	Families Genera Species	Taxom

List of families for Polk County (Nebraska)
3 Families width 4 Species

Baetidae Leach, 1815	Mayflies	2	Species	Taxom
Heptageniidae Needham, 1901	Flat-Bodied Up-Wings Heptageniidae	2	Species	Taxom
Leptophlebiidae Banks, 1900	Leptophlebiids	0	Species	Taxom

Genera for Polk County (Nebraska)
5 Genera with 4 Species

Callibaetis Eaton, 1862	Speckled Duns	1	Species	Taxom
Fallceon Waltz & McCa..., 1923	Blue-winged Olives	1	Species	Taxom
Heptagenia Walsh, 1885		1	Species	Taxom
Leptophlebia Westwood, 1840		0	Species	Taxom
Stenacron Jensen, 1839	Light Cahills	1	Species	Taxom

Species list for Polk County (Nebraska)
4 Species

Callibaetis ferrugineus Walsh, 1862	Red Speckled Dun
Fallceon quilleri Dodds, 1923
Heptagenia (Heptagenia) elegantula Eaton, 1885
Stenacron interpunctatum Say, 1839	Ginger quill

Subnodes of Ephemeropteroidea with occurrences in Polk County (Nebraska)

Order

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

3
5
4

Families
Genera
Species