Species list, Checklist of Infraclass Palaeoptera (Ancient winged insects) for Somerset (Montgomery County, Maryland, 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 Somerset (Montgomery County, Maryland, USA)

Class	Insecta Linnaeus, 1758 Insects, True insects	67 101 89	Families Genera Species	Taxom
Subclass	Pterygota Lang, 1888 Winged insects	67 101 89	Families Genera Species	Taxom
Infraclass	Palaeoptera Crampton, 1915 Ancient winged insects	4 5 4	Families Genera Species	Taxom

List of families for Somerset (Maryland)
4 Families width 4 Species

Aeshnidae Rambur, 1842	Darners	0	Species	Taxom
Baetidae Leach, 1815	Mayflies	1	Species	Taxom
Libellulidae (Rambur, 1842)	Chasers	2	Species	Taxom
Coenagrionidae Kirby, 1890	Narrow-winged damselflies	1	Species	Taxom

Genera for Somerset (Maryland)
5 Genera with 4 Species

Aeshna Fabricius, 1775	Aeshna Dragonfly	0	Species	Taxom
Cloeon Leach, 1761		1	Species	Taxom
Diplacina Brauer, 1933		1	Species	Taxom
Enallagma Charpentier, 1840	American Bluets	1	Species	Taxom
Libellula Linnaeus, 1775	Chaser Or Darter Dragonfly	1	Species	Taxom

Species list for Somerset (Maryland)
4 Species

Cloeon dipterum Linnaeus, 1761	Common wetland mayfly
Diplacina anthaxia Lieftinck, 1933
Enallagma cyathigerum Charpentier, 1840	Common Blue
Libellula cyanea (Fabricius, 1775)	⇒ Apamea oblonga Haworth, 1809

Subnodes of Palaeoptera with occurrences in Somerset (Maryland)

Superorder	Ephemeropteroidea Rohdendorf, 1968	1 1 1	Family Genus Species	Taxom
Superorder	Odonatoptera Martynov, 1932	3 4 3	Families Genera Species	Taxom

Links, sources and further information

Palaeoptera at itis.gov