Species list, Checklist of Infraclass Palaeoptera (Ancient winged insects) for Williams Corners (Mercer County, Pennsylvania, 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 Williams Corners (Mercer County, Pennsylvania, USA)

Class	Insecta Linnaeus, 1758 Insects, True insects	3 5 7	Families Genera Species	Taxom
Subclass	Pterygota Lang, 1888 Winged insects	3 5 7	Families Genera Species	Taxom
Infraclass	Palaeoptera Crampton, 1915 Ancient winged insects	3 5 7	Families Genera Species	Taxom

List of families for Williams Corners
3 Families width 7 Species

Coenagrionidae Kirby, 1890	Narrow-winged damselflies	3	Species	Taxom
Lestidae Calvert, 1901	Spread-winged damselflies	1	Species	Taxom
Libellulidae Rambur, 1842	Chasers	3	Species	Taxom

Genera for Williams Corners
5 Genera with 7 Species

Enallagma Charpentier, 1861	American Bluets	1	Species	Taxom
Ischnura Charpentier, 1839	Forktail	2	Species	Taxom
Lestes Leach, 1861	Emerald Damselflies	1	Species	Taxom
Libellula Linnaeus, 1773	Chaser Or Darter Dragonfly	2	Species	Taxom
Pachydiplax Brauer, 1839	Blue Dashers	1	Species	Taxom

Species list for Williams Corners
7 Species

Enallagma aspersum Hagen, 1861	Azure Bluet
Ischnura hastata Say, 1839	Citrine Forktail
Ischnura verticalis Say, 1839	Eastern Forktail
Lestes unguiculatus Hagen, 1861	Lyre-tipped Spreadwing
Libellula lydia (Drury, 1773)	⇒ Tolidomoxia nigerrima Ermisch, 1950
Libellula pulchella (Drury, 1773)	⇒ Celithemis amanda Hagen, 1861
Pachydiplax longipennis Burmeister, 1839	Blue dasher

Subnodes of Palaeoptera with occurrences in Williams Corners

Superorder

Odonatoptera
Martynov, 1932

3
5
7

Families
Genera
Species

Taxom

Links, sources and further information

Palaeoptera at itis.gov