Species list, Checklist of Subfamily Latrodectinae for Boulder County (Colorado, USA)

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Checklist for Subfamily Latrodectinae Petrunkevitch, 1928
and region Boulder County (Colorado, USA)

Class	Arachnida Lamarck, 1801 Arachnids	46 140 242	Families Genera Species	Taxom
Subclass	Micrura Ehrenberg, 1831	37 127 231	Families Genera Species	Taxom
Infraclass	Megoperculata Börner, 1902	26 115 221	Families Genera Species	Taxom
Order	Araneae Clerck, 1757 Spider, Spiders, True Spiders	26 115 221	Families Genera Species	Taxom
Suborder	Araneomorphae Smith, 1902 True Spiders	24 112 216	Families Genera Species	Taxom
Infraorder	Araneomorphi Smith, 1902	24 112 216	Families Genera Species	Taxom
Superfamily	Araneoidea Latreille, 1806	4 32 50	Families Genera Species	Taxom
Family	Theridiidae Sundevall, 1833 Cobweb And Widow Spiders, Cobweb spider, Cobweb spiders	5 13	Genera Species	Taxom
Subfamily	Latrodectinae Petrunkevitch, 1928	2 5	Genera Species	Taxom

Genera for Boulder County
2 Genera with 5 Species

Latrodectus Walckenaer, 1775	Black widow spider	2	Species	Taxom
Steatoda Sundevall, 1838	False black widows	3	Species	Taxom

Species list for Boulder County
5 Species

Latrodectus hesperus Chamberlin &..., 1935	Western black widow
Latrodectus mactans (Fabricius, 1775)	⇒ Latrodectus tredecimguttatus Rossi, 1790
Steatoda albomaculata (De Geer, 1778)	⇒ Chrysso albomaculata O. P.-Cambridge, 1882
Steatoda grandis (Richard C. B..., 1901)	⇒ Steatoda mexicana Herbert Walt..., 1957
Steatoda grossa C. L. Koch, 1838	Brown house spider