Checklist for Family Theridiidae Sundevall, 1833 (Cobweb And Widow Spiders)
and region Los Angeles County (California, USA)
Class
| Arachnida
Lamarck, 1801
Arachnids | 153
363
439 | Families
Genera
Species |
Taxom
|
Subclass
| Micrura
Ehrenberg, 1831
| 135
324
390 | Families
Genera
Species |
Taxom
|
Infraclass
| Megoperculata
Börner, 1902
| 41
173
264 | Families
Genera
Species |
Taxom
|
Order
| Araneae
Clerck, 1757
Spider, Spiders, True Spiders | 40
172
263 | Families
Genera
Species |
Taxom
|
Suborder
| Araneomorphae
Smith, 1902
True Spiders | 35
167
256 | Families
Genera
Species |
Taxom
|
Infraorder
| Araneomorphi
Smith, 1902
| 35
167
256 | Families
Genera
Species |
Taxom
|
Superfamily
| Araneoidea
Latreille, 1806
| 5
60
92 | Families
Genera
Species |
Taxom
| | Family | Theridiidae
Sundevall, 1833
Cobweb And Widow Spiders, Cobweb spider, Cobweb spiders | 13
21 | Genera
Species |
Taxom
|
Genera for Los Angeles County
13 Genera with 21 Species | Argyrodes Simon, 1842 | Dewdrop spiders | 1 | Species | Taxom | | Enoplognatha Pavesi, 1758 | | 1 | Species | Taxom | | Euryopis Menge, 1904 | | 1 | Species | Taxom | | Latrodectus Walckenaer, 1775 | Black widow spider | 3 | Species | Taxom | | Melychiopharis Simon, 1895 | | 1 | Species | Taxom | | Neospintharus Exline, 1850 | | 1 | Species | Taxom | | Neottiura Menge, 1767 | | 1 | Species | Taxom | | Parasteatoda Archer, 1841 | Comb-Clawed Spider | 1 | Species | Taxom | | Rugathodes Archer, 1915 | | 1 | Species | Taxom | | Steatoda Sundevall, 1802 | False black widows | 2 | Species | Taxom | | Theridion Walckenaer, 1901 | Tangle-Web Spiders | 6 | Species | Taxom | | Thymoites Keyserling, 1904 | | 1 | Species | Taxom | | Yunohamella Yoshida, 1842 | | 1 | Species | Taxom |
Species list for Los Angeles County
21 Species | Argyrodes argyrodes (Walckenaer, 1842) | ⇒ Neospintharus trigonum Nicholas Mar..., 1850 | | Enoplognatha ovata (Clerck, 1758) | ⇒ Enoplognatha latimana Hippa & Oksala, 1982 | | Euryopis californica Banks, 1904 | | | Latrodectus geometricus C. L. Koch, 1841 | Brown black widow | | Latrodectus hesperus Chamberlin &..., 1935 | Western black widow | | Latrodectus mactans (Fabricius, 1775) | ⇒ Latrodectus tredecimguttatus Rossi, 1790 | | Melychiopharis cynips Eugène Simon, 1895 | | | Neospintharus trigonum Nicholas Mar..., 1850 | Horned Parasitic Cobweaver | | Neottiura bimaculata Linnaeus, 1767 | | | Parasteatoda tepidariorum C. L. Koch, 1841 | American house false widow spider | | Rugathodes aurantius James Henry ..., 1915 | | | Steatoda nobilis Tord Tamerla..., 1875 | Cobweb weaver | | Steatoda triangulosa Walckenaer, 1802 | Triangulate bud spider | | Theridion californicum Richard C. B..., 1904 | | | Theridion differens (James Henry ..., 1882) | ⇒ Theridion glaucescens Lawrence Becker, 1879 | | Theridion frondeum Nicholas Mar..., 1850 | Eastern Long-Legged Cobweaver | | Theridion glaucescens Lawrence Becker, 1879 | | | Theridion murarium James Henry ..., 1882 | | | Theridion neomexicanum Richard C. B..., 1901 | | | Thymoites pictipes Richard C. B..., 1904 | | | Yunohamella lyrica Walckenaer, 1842 | |
Subnodes of Theridiidae with occurrences in Los Angeles 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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