Checklist for Family Theridiidae Sundevall, 1833 (Cobweb And Widow Spiders) and region Northwestern Ontario (Northern Ontario, Ontario, Canada)
Class | Arachnida Lamarck, 1801 Arachnids | 38 82 96 | Families Genera Species | Taxom | Subclass | Micrura Ehrenberg, 1831
| 37 79 93 | Families Genera Species | Taxom | Infraclass | Megoperculata Börner, 1902
| 18 59 80 | Families Genera Species | Taxom | Order | Araneae Clerck, 1757 Spider, Spiders, True Spiders | 18 59 80 | Families Genera Species | Taxom | Suborder | Araneomorphae Smith, 1902 True Spiders | 17 58 75 | Families Genera Species | Taxom | Infraorder | Araneomorphi Smith, 1902
| 17 58 75 | Families Genera Species | Taxom | Superfamily | Araneoidea Latreille, 1806
| 4 30 37 | Families Genera Species | Taxom | | Family | Theridiidae Sundevall, 1833 Cobweb And Widow Spiders, Cobweb spider, Cobweb spiders | 7 9 | Genera Species | Taxom |
Genera for Northwestern Ontario 7 Genera with 9 Species
Species list for Northwestern Ontario 9 Species | Crustulina guttata Wider, 1834 | | | Enoplognatha caricis Fickert, 1876 | | | Enoplognatha ovata (Clerck, 1758) | ⇒ Enoplognatha latimana Hippa & Oksala, 1982 | | Neospintharus trigonum Nicholas Mar..., 1850 | Horned Parasitic Cobweaver | | Parasteatoda tabulata Levi, 1980 | Comb-footed spider | | Parasteatoda tepidariorum C. L. Koch, 1841 | American house false widow spider | | Rugathodes sexpunctatus James Henry ..., 1882 | | | Steatoda grossa C. L. Koch, 1838 | Brown house spider | | Theridion varians Carl Wilhelm..., 1833 | Red spruce |
Subnodes of Theridiidae with occurrences in Northwestern Ontario
 | | 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
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