Checklist for Subfamily Latrodectinae Petrunkevitch, 1928 and region California (West USA, USA)
Class | Arachnida Lamarck, 1801 Arachnids | 280 876 1740 | Families Genera Species | Taxom | Subclass | Micrura Ehrenberg, 1831
| 240 754 1352 | Families Genera Species | Taxom | Infraclass | Megoperculata Börner, 1902
| 73 330 790 | Families Genera Species | Taxom | Order | Araneae Clerck, 1757 Spider, Spiders, True Spiders | 67 323 777 | Families Genera Species | Taxom | Suborder | Araneomorphae Smith, 1902 True Spiders | 53 298 724 | Families Genera Species | Taxom | Infraorder | Araneomorphi Smith, 1902
| 51 296 719 | Families Genera Species | Taxom | Superfamily | Araneoidea Latreille, 1806
| 8 84 175 | Families Genera Species | Taxom | | Family | Theridiidae Sundevall, 1833 Cobweb And Widow Spiders, Cobweb spider, Cobweb spiders | 19 46 | Genera Species | Taxom | | Subfamily | Latrodectinae Petrunkevitch, 1928
| 2 17 | Genera Species | Taxom |
Genera for California 2 Genera with 17 Species
Species list for California 17 Species | Latrodectus diaguita Carcavallo, 1960 | | | Latrodectus elegans Thorell, 1898 | | | Latrodectus geometricus C. L. Koch, 1841 | Brown black widow | | Latrodectus hesperus Chamberlin &..., 1935 | Western black widow | | Latrodectus karrooensis Smithers, 1944 | | | Latrodectus katipo Powell, 1871 | Red Katipo | | Latrodectus mactans (Fabricius, 1775) | ⇒ Latrodectus tredecimguttatus Rossi, 1790 | | Latrodectus renivulvatus Dahl, 1902 | | | Latrodectus revivensis Shulov, 1948 | | | Latrodectus tredecimguttatus Rossi, 1790 | European black widow | | Steatoda albomaculata (De Geer, 1778) | ⇒ Chrysso albomaculata O. P.-Cambridge, 1882 | | Steatoda atascadera Ralph Vary C..., 1942 | | | Steatoda bipunctata Linnaeus, 1758 | False widow | | Steatoda grossa C. L. Koch, 1838 | Brown house spider | | Steatoda hespera Ralph Vary C..., 1933 | Florida carpenter ant | | Steatoda nobilis Tord Tamerla..., 1875 | Cobweb weaver | | Steatoda triangulosa Walckenaer, 1802 | Triangulate bud spider |
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