Checklist for Family Theridiidae Sundevall, 1833 (Cobweb And Widow Spiders)
and region Mercer County (Illinois, USA)
Class
| Arachnida
Lamarck, 1801
Arachnids | 23
65
79 | Families
Genera
Species |
Taxom
|
Subclass
| Micrura
Ehrenberg, 1831
| 20
62
75 | Families
Genera
Species |
Taxom
|
Infraclass
| Megoperculata
Börner, 1902
| 16
57
69 | Families
Genera
Species |
Taxom
|
Order
| Araneae
Clerck, 1757
Spider, Spiders, True Spiders | 16
57
69 | Families
Genera
Species |
Taxom
|
Suborder
| Araneomorphae
Smith, 1902
True Spiders | 15
56
68 | Families
Genera
Species |
Taxom
|
Infraorder
| Araneomorphi
Smith, 1902
| 15
56
68 | Families
Genera
Species |
Taxom
|
Superfamily
| Araneoidea
Latreille, 1806
| 4
21
26 | Families
Genera
Species |
Taxom
| | Family | Theridiidae
Sundevall, 1833
Cobweb And Widow Spiders, Cobweb spider, Cobweb spiders | 6
8 | Genera
Species |
Taxom
|
Genera for Mercer County (Illinois)
6 Genera with 8 Species
Species list for Mercer County (Illinois)
8 Species | Asagena americana James Henry ..., 1882 | Two-Spotted Cobweb Spider | | Enoplognatha ovata (Clerck, 1758) | ⇒ Enoplognatha latimana Hippa & Oksala, 1982 | | Parasteatoda tepidariorum C. L. Koch, 1841 | American house false widow spider | | Steatoda albomaculata (De Geer, 1778) | ⇒ Chrysso albomaculata O. P.-Cambridge, 1882 | | Steatoda borealis Nicholas Mar..., 1850 | Boreal Combfoot | | Theridion differens (James Henry ..., 1882) | ⇒ Theridion glaucescens Lawrence Becker, 1879 | | Theridion murarium James Henry ..., 1882 | | | Theridula emertoni Herbert Walt..., 1954 | Emerton'S Bitubercled Cobweaver |
Subnodes of Theridiidae with occurrences in Mercer County (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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