Species list, Checklist of Infraorder Araneomorphi for Newcastle (Placer 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 Infraorder Araneomorphi Smith, 1902
and region Newcastle (Placer County, California, USA)

Class	Arachnida Lamarck, 1801 Arachnids	4 4 3	Families Genera Species	Taxom
Subclass	Micrura Ehrenberg, 1831	3 3 2	Families Genera Species	Taxom
Infraclass	Megoperculata Börner, 1902	2 2 1	Families Genera Species	Taxom
Order	Araneae Clerck, 1757 Spider, Spiders, True Spiders	2 2 1	Families Genera Species	Taxom
Suborder	Araneomorphae Smith, 1902 True Spiders	2 2 1	Families Genera Species	Taxom
Infraorder	Araneomorphi Smith, 1902	2 2 1	Families Genera Species	Taxom

List of families for Newcastle (Placer County)
2 Families width 1 Species

Theridiidae Sundevall, 1833	Cobweb And Widow Spiders	0	Species	Taxom
Thomisidae Sundevall, 1833	Crab Spider	1	Species	Taxom

Genera for Newcastle (Placer County)
2 Genera with 1 Species

Steatoda Sundevall, 1833	False black widows	0	Species	Taxom
Xysticus Koch, 1880	Ground Crab Spider	1	Species	Taxom

Species list for Newcastle (Placer County)
1 Species

Xysticus triguttatus Keyserling, 1880

Three-banded Crab Spider