Species list, Checklist of Infraclass Palaeoptera (Ancient winged insects) for Williams (Colusa County, California, 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 (Colusa County, California, USA)

Class	Insecta Linnaeus, 1758 Insects, True insects	82 212 275	Families Genera Species	Taxom
Subclass	Pterygota Lang, 1888 Winged insects	82 212 275	Families Genera Species	Taxom
Infraclass	Palaeoptera Crampton, 1915 Ancient winged insects	3 5 5	Families Genera Species	Taxom

List of families for Williams (Colusa County)
3 Families width 5 Species

Baetidae Leach, 1815	Mayflies	2	Species	Taxom
Libellulidae Rambur, 1842	Chasers	2	Species	Taxom
Aeshnidae Rambur, 1842	Darners	1	Species	Taxom

Genera for Williams (Colusa County)
5 Genera with 5 Species

Acerpenna Waltz & McCa..., 1861		1	Species	Taxom
Fallceon Waltz & McCa..., 1923	Blue-winged Olives	1	Species	Taxom
Libellula Linnaeus, 1857	Chaser Or Darter Dragonfly	1	Species	Taxom
Rhionaeschna Förster, 1861	Blue-eyed darners	1	Species	Taxom
Sympetrum Newman, 1861	Darter Dragonfly	1	Species	Taxom

Species list for Williams (Colusa County)
5 Species

Acerpenna pygmaea Hagen, 1861	Blue-Winged Olive
Fallceon quilleri Dodds, 1923
Libellula saturata Uhler, 1857	Firecracker Skimmer
Rhionaeschna multicolor Hagen, 1861	Blue-eyed Darner
Sympetrum corruptum Hagen, 1861	Variegated meadowhawk

Subnodes of Palaeoptera with occurrences in Williams (Colusa County)

Superorder	Ephemeropteroidea Rohdendorf, 1968	1 2 2	Family Genera Species	Taxom
Superorder	Odonatoptera Martynov, 1932	2 3 3	Families Genera Species	Taxom

Links, sources and further information

Palaeoptera at itis.gov