Checklist for Family Theridiidae Sundevall, 1833 (Cobweb And Widow Spiders)
and region Santa Clara County (California, USA)
Class
| Arachnida
Lamarck, 1801
Arachnids | 63
112
109 | Families
Genera
Species |
Taxom
|
Subclass
| Micrura
Ehrenberg, 1831
| 47
92
91 | Families
Genera
Species |
Taxom
|
Infraclass
| Megoperculata
Börner, 1902
| 26
66
66 | Families
Genera
Species |
Taxom
|
Order
| Araneae
Clerck, 1757
Spider, Spiders, True Spiders | 26
66
66 | Families
Genera
Species |
Taxom
|
Suborder
| Araneomorphae
Smith, 1902
True Spiders | 24
64
64 | Families
Genera
Species |
Taxom
|
Infraorder
| Araneomorphi
Smith, 1902
| 24
64
64 | Families
Genera
Species |
Taxom
|
Superfamily
| Araneoidea
Latreille, 1806
| 4
20
22 | Families
Genera
Species |
Taxom
| | Family | Theridiidae
Sundevall, 1833
Cobweb And Widow Spiders, Cobweb spider, Cobweb spiders | 7
8 | Genera
Species |
Taxom
|
Genera for Santa Clara County
7 Genera with 8 Species
Species list for Santa Clara County
8 Species | Anelosimus studiosus (Nicholas Mar..., 1850) | ⇒ Anelosimus fraternus Agnarsson, 2006 | | Argyrodes argyrodes (Walckenaer, 1842) | ⇒ Neospintharus trigonum Nicholas Mar..., 1850 | | Latrodectus hesperus Chamberlin &..., 1935 | Western black widow | | Latrodectus mactans (Fabricius, 1775) | ⇒ Latrodectus tredecimguttatus Rossi, 1790 | | Melychiopharis cynips Eugène Simon, 1895 | | | Parasteatoda tepidariorum C. L. Koch, 1841 | American house false widow spider | | Steatoda albomaculata (De Geer, 1778) | ⇒ Chrysso albomaculata O. P.-Cambridge, 1882 | | Theridion melanurum Carl Wilhelm..., 1831 | Balsam fir |
Subnodes of Theridiidae with occurrences in Santa Clara 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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