Species list, Checklist of Family Theridiidae (Cobweb And Widow Spiders) for San Diego 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 Family Theridiidae Sundevall, 1833 (Cobweb And Widow Spiders)
and region San Diego County (California, USA)

Class	Arachnida Lamarck, 1801 Arachnids	74 160 224	Families Genera Species	Taxom
Subclass	Micrura Ehrenberg, 1831	61 131 174	Families Genera Species	Taxom
Infraclass	Megoperculata Börner, 1902	31 89 138	Families Genera Species	Taxom
Order	Araneae Clerck, 1757 Spider, Spiders, True Spiders	30 88 137	Families Genera Species	Taxom
Suborder	Araneomorphae Smith, 1902 True Spiders	24 80 130	Families Genera Species	Taxom
Infraorder	Araneomorphi Smith, 1902	24 80 130	Families Genera Species	Taxom
Superfamily	Araneoidea Latreille, 1806	4 29 44	Families Genera Species	Taxom
Family	Theridiidae Sundevall, 1833 Cobweb And Widow Spiders, Cobweb spider, Cobweb spiders	5 7	Genera Species	Taxom

Genera for San Diego County
5 Genera with 7 Species

Anelosimus Simon, 1850	Social cobweb spiders	1	Species	Taxom
Latrodectus Walckenaer, 1775	Black widow spider	3	Species	Taxom
Neottiura Menge, 1767		1	Species	Taxom
Steatoda Sundevall, 1838	False black widows	1	Species	Taxom
Theridion Walckenaer, 1870	Tangle-Web Spiders	1	Species	Taxom

Species list for San Diego County
7 Species

Anelosimus studiosus (Nicholas Mar..., 1850)	⇒ Anelosimus fraternus Agnarsson, 2006
Latrodectus geometricus C. L. Koch, 1841	Brown black widow
Latrodectus hesperus Chamberlin &..., 1935	Western black widow
Latrodectus mactans (Fabricius, 1775)	⇒ Latrodectus tredecimguttatus Rossi, 1790
Neottiura bimaculata Linnaeus, 1767
Steatoda grossa C. L. Koch, 1838	Brown house spider
Theridion mystaceum Koch, 1870

Subnodes of Theridiidae with occurrences in San Diego County

Subfamily	Latrodectinae Petrunkevitch, 1928	2 4	Genera Species	Taxom
Subfamily	Theridiinae Sundevall, 1833	2 2	Genera Species	Taxom

Theridiidae (Sundevall 1833)

Links, sources and further information

Theridiidae at artfakta.se
Theridiidae at biodiversity.org.au
Theridiidae at dyntaxa.se
Theridiidae at gbif.org
Theridiidae at irmng.org
Theridiidae at itis.gov