Species list, Checklist of Infraclass Palaeoptera (Ancient winged insects) for Williamsburg (Silver Bow County, Montana, 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 Infraclass Palaeoptera Crampton, 1915 (Ancient winged insects)
and region Williamsburg (Silver Bow County, Montana, USA)

Class	Insecta Linnaeus, 1758 Insects, True insects	30 69 79	Families Genera Species	Taxom
Subclass	Pterygota Lang, 1888 Winged insects	30 69 79	Families Genera Species	Taxom
Infraclass	Palaeoptera Crampton, 1915 Ancient winged insects	5 6 6	Families Genera Species	Taxom

List of families for Williamsburg (Silver Bow County)
5 Families width 6 Species

Coenagrionidae Kirby, 1890	Narrow-winged damselflies	2	Species	Taxom
Heptageniidae Needham, 1901	Flat-Bodied Up-Wings Heptageniidae	0	Species	Taxom
Calopterygidae Selys, 1850	Broad-winged damselflies	1	Species	Taxom
Libellulidae Rambur, 1842	Chasers	2	Species	Taxom
Megapodagrionidae Tillyard, 1917	Flatwing	1	Species	Taxom

Genera for Williamsburg (Silver Bow County)
6 Genera with 6 Species

Argia Rambur, 1861	Dancers	2	Species	Taxom
Epeorus Eaton, 1881		0	Species	Taxom
Hetaerina Hagen, 1798	Rubyspots	1	Species	Taxom
Libellula Linnaeus, 1839	Chaser Or Darter Dragonfly	1	Species	Taxom
Pachydiplax Brauer, 1839	Blue Dashers	1	Species	Taxom
Rhipidolestes Ris, 1951		1	Species	Taxom

Species list for Williamsburg (Silver Bow County)
6 Species

Argia apicalis (Say, 1840)	⇒ Rhipidolestes okinawanus Asahina, 1951
Argia moesta Hagen, 1861	Powdered Dancer
Hetaerina americana Fabricius, 1798	American Rubyspot
Libellula luctuosa Burmeister, 1839	Widow Skimmer
Pachydiplax longipennis Burmeister, 1839	Blue dasher
Rhipidolestes okinawanus Asahina, 1951

Subnodes of Palaeoptera with occurrences in Williamsburg (Silver Bow County)

Superorder	Ephemeropteroidea Rohdendorf, 1968	1 1 0	Family Genus Species	Taxom
Superorder	Odonatoptera Martynov, 1932	4 5 6	Families Genera Species	Taxom

Links, sources and further information

Palaeoptera at itis.gov