Species list, Checklist of Infraorder Araneomorphi for Signal Hill (Los Angeles 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

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INSECTOIDGERENGDARK LIGHT

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Checklist for Infraorder Araneomorphi Smith, 1902
and region Signal Hill (Los Angeles County, California, USA)

Class	Arachnida Lamarck, 1801 Arachnids	8 9 2	Families Genera Species	Taxom
Subclass	Micrura Ehrenberg, 1831	8 9 2	Families Genera Species	Taxom
Infraclass	Megoperculata Börner, 1902	7 8 2	Families Genera Species	Taxom
Order	Araneae Clerck, 1757 Spider, Spiders, True Spiders	7 8 2	Families Genera Species	Taxom
Suborder	Araneomorphae Smith, 1902 True Spiders	6 7 2	Families Genera Species	Taxom
Infraorder	Araneomorphi Smith, 1902	6 7 2	Families Genera Species	Taxom

List of families for Signal Hill (Los Angeles County)
6 Families width 2 Species

Corinnidae Karsch, 1880	Ant-like Sac Spiders	1	Species	Taxom
Theridiidae Sundevall, 1833	Cobweb And Widow Spiders	1	Species	Taxom
Oonopidae Simon, 1890	Dwarf Cell Spiders	0	Species	Taxom
Philodromidae Thorell, 1870	False crab spiders	0	Species	Taxom
Salticidae Blackwall, 1842	Jumping Spider	0	Species	Taxom
Thomisidae Sundevall, 1833	Crab Spider	0	Species	Taxom

Genera for Signal Hill (Los Angeles County)
7 Genera with 2 Species

Castianeira Keyserling, 1886	Ant-Mimic Sac Spiders	1	Species	Taxom
Latrodectus Walckenaer, 1841	Black widow spider	1	Species	Taxom
Orchestina Simon, 1882		0	Species	Taxom
Philodromus Walckenaer, 1826	Running Crab Spider	0	Species	Taxom
Sitticus Simon, 1901		0	Species	Taxom
Steatoda Sundevall, 1833	False black widows	0	Species	Taxom
Tmarus Simon, 1875		0	Species	Taxom

Species list for Signal Hill (Los Angeles County)
2 Species

Castianeira micaria Eugène Simon, 1886
Latrodectus geometricus C. L. Koch, 1841	Brown black widow