Species list, Checklist of Subfamily Latrodectinae for Island County (Washington, USA)

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Checklist for Subfamily Latrodectinae Petrunkevitch, 1928
and region Island County (Washington, USA)

Class	Arachnida Lamarck, 1801 Arachnids	30 74 81	Families Genera Species	Taxom
Subclass	Micrura Ehrenberg, 1831	27 69 76	Families Genera Species	Taxom
Infraclass	Megoperculata Börner, 1902	21 61 72	Families Genera Species	Taxom
Order	Araneae Clerck, 1757 Spider, Spiders, True Spiders	21 61 72	Families Genera Species	Taxom
Suborder	Araneomorphae Smith, 1902 True Spiders	20 60 71	Families Genera Species	Taxom
Infraorder	Araneomorphi Smith, 1902	20 60 71	Families Genera Species	Taxom
Superfamily	Araneoidea Latreille, 1806	4 24 29	Families Genera Species	Taxom
Family	Theridiidae Sundevall, 1833 Cobweb And Widow Spiders, Cobweb spider, Cobweb spiders	7 9	Genera Species	Taxom
Subfamily	Latrodectinae Petrunkevitch, 1928	2 4	Genera Species	Taxom

Genera for Island County
2 Genera with 4 Species

Latrodectus Walckenaer, 1775	Black widow spider	2	Species	Taxom
Steatoda Sundevall, 1802	False black widows	2	Species	Taxom

Species list for Island County
4 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 triangulosa Walckenaer, 1802	Triangulate bud spider