Checklist for Family Theridiidae Sundevall, 1833 (Cobweb And Widow Spiders) and region Southern Illinois (Illinois, USA)
Class | Arachnida Lamarck, 1801 Arachnids | 51 127 172 | Families Genera Species | Taxom | Subclass | Micrura Ehrenberg, 1831
| 41 112 155 | Families Genera Species | Taxom | Infraclass | Megoperculata Börner, 1902
| 26 96 143 | Families Genera Species | Taxom | Order | Araneae Clerck, 1757 Spider, Spiders, True Spiders | 26 96 143 | Families Genera Species | Taxom | Suborder | Araneomorphae Smith, 1902 True Spiders | 24 93 137 | Families Genera Species | Taxom | Infraorder | Araneomorphi Smith, 1902
| 24 93 137 | Families Genera Species | Taxom | Superfamily | Araneoidea Latreille, 1806
| 4 42 62 | Families Genera Species | Taxom | | Family | Theridiidae Sundevall, 1833 Cobweb And Widow Spiders, Cobweb spider, Cobweb spiders | 8 9 | Genera Species | Taxom |
Genera for Southern Illinois 8 Genera with 9 Species
Species list for Southern Illinois 9 Species | Dipoena nigra (James Henry ..., 1882) | ⇒ Theridula nigerrima Alexander Pe..., 1911 | | Latrodectus variolus (Walckenaer, 1837) | ⇒ Latrodectus hesperus Chamberlin &..., 1935 | | Melychiopharis cynips Eugène Simon, 1895 | | | Rhomphaea fictilium Hentz, 1850 | Lizard Spider | | Steatoda borealis Nicholas Mar..., 1850 | Boreal Combfoot | | Theonoe stridula Crosby, 1906 | | | Theridion albidum (Richard C. B..., 1895) | ⇒ Theridion berlandi Carl Friedri..., 1942 | | Theridion differens (James Henry ..., 1882) | ⇒ Theridion glaucescens Lawrence Becker, 1879 | | Theridula emertoni Herbert Walt..., 1954 | Emerton'S Bitubercled Cobweaver |
Subnodes of Theridiidae with occurrences in Southern Illinois
 | | 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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