Checklist for Family Theridiidae Sundevall, 1833 (Cobweb And Widow Spiders)
and region Alameda County (California, USA)
Class
| Arachnida
Lamarck, 1801
Arachnids | 68
137
151 | Families
Genera
Species |
Taxom
|
Subclass
| Micrura
Ehrenberg, 1831
| 60
127
143 | Families
Genera
Species |
Taxom
|
Infraclass
| Megoperculata
Börner, 1902
| 24
64
87 | Families
Genera
Species |
Taxom
|
Order
| Araneae
Clerck, 1757
Spider, Spiders, True Spiders | 24
64
87 | Families
Genera
Species |
Taxom
|
Suborder
| Araneomorphae
Smith, 1902
True Spiders | 23
61
84 | Families
Genera
Species |
Taxom
|
Infraorder
| Araneomorphi
Smith, 1902
| 23
61
84 | Families
Genera
Species |
Taxom
|
Superfamily
| Araneoidea
Latreille, 1806
| 7
21
36 | Families
Genera
Species |
Taxom
| | Family | Theridiidae
Sundevall, 1833
Cobweb And Widow Spiders, Cobweb spider, Cobweb spiders | 6
10 | Genera
Species |
Taxom
|
Genera for Alameda County
6 Genera with 10 Species
Species list for Alameda County
10 Species | Argyrodes argyrodes (Walckenaer, 1842) | ⇒ Neospintharus trigonum Nicholas Mar..., 1850 | | Enoplognatha ovata (Clerck, 1758) | ⇒ Enoplognatha latimana Hippa & Oksala, 1982 | | Latrodectus mactans (Fabricius, 1775) | ⇒ Latrodectus tredecimguttatus Rossi, 1790 | | Melychiopharis cynips Eugène Simon, 1895 | | | Steatoda bipunctata Linnaeus, 1758 | False widow | | Steatoda grandis (Richard C. B..., 1901) | ⇒ Steatoda mexicana Herbert Walt..., 1957 | | Steatoda grossa C. L. Koch, 1838 | Brown house spider | | Steatoda nobilis Tord Tamerla..., 1875 | Cobweb weaver | | Steatoda triangulosa Walckenaer, 1802 | Triangulate bud spider | | Theridion punctipes James Henry ..., 1924 | |
Subnodes of Theridiidae with occurrences in Alameda County
 | | 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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