Checklist for Family Theridiidae Sundevall, 1833 (Cobweb And Widow Spiders)
and region Riverside County (Eastern California, California, USA)
Class
| Arachnida
Lamarck, 1801
Arachnids | 69
133
159 | Families
Genera
Species |
Taxom
|
Subclass
| Micrura
Ehrenberg, 1831
| 55
108
123 | Families
Genera
Species |
Taxom
|
Infraclass
| Megoperculata
Börner, 1902
| 29
68
85 | Families
Genera
Species |
Taxom
|
Order
| Araneae
Clerck, 1757
Spider, Spiders, True Spiders | 28
67
84 | Families
Genera
Species |
Taxom
|
Suborder
| Araneomorphae
Smith, 1902
True Spiders | 25
64
81 | Families
Genera
Species |
Taxom
|
Infraorder
| Araneomorphi
Smith, 1902
| 24
63
80 | Families
Genera
Species |
Taxom
|
Superfamily
| Araneoidea
Latreille, 1806
| 4
17
25 | Families
Genera
Species |
Taxom
| | Family | Theridiidae
Sundevall, 1833
Cobweb And Widow Spiders, Cobweb spider, Cobweb spiders | 6
9 | Genera
Species |
Taxom
|
Genera for Riverside County
6 Genera with 9 Species
Species list for Riverside County
9 Species | Anelosimus studiosus (Nicholas Mar..., 1850) | ⇒ Anelosimus fraternus Agnarsson, 2006 | | Enoplognatha ovata (Clerck, 1758) | ⇒ Enoplognatha latimana Hippa & Oksala, 1982 | | Latrodectus hesperus Chamberlin &..., 1935 | Western black widow | | Latrodectus mactans (Fabricius, 1775) | ⇒ Latrodectus tredecimguttatus Rossi, 1790 | | Platnickina tincta Walckenaer, 1802 | | | Steatoda grossa C. L. Koch, 1838 | Brown house spider | | Steatoda triangulosa Walckenaer, 1802 | Triangulate bud spider | | Theridion aeolium Herbert Walt..., 1963 | | | Theridion mystaceum Koch, 1870 | |
Subnodes of Theridiidae with occurrences in Riverside 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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