Checklist for Family Theridiidae Sundevall, 1833 (Cobweb And Widow Spiders)
and region Southern Alberta (Alberta, Canada)
Class
| Arachnida
Lamarck, 1801
Arachnids | 99
260
422 | Families
Genera
Species |
Taxom
|
Subclass
| Micrura
Ehrenberg, 1831
| 89
245
409 | Families
Genera
Species |
Taxom
|
Infraclass
| Megoperculata
Börner, 1902
| 30
171
360 | Families
Genera
Species |
Taxom
|
Order
| Araneae
Clerck, 1757
Spider, Spiders, True Spiders | 30
171
360 | Families
Genera
Species |
Taxom
|
Suborder
| Araneomorphae
Smith, 1902
True Spiders | 28
168
344 | Families
Genera
Species |
Taxom
|
Infraorder
| Araneomorphi
Smith, 1902
| 28
168
344 | Families
Genera
Species |
Taxom
|
Superfamily
| Araneoidea
Latreille, 1806
| 5
85
169 | Families
Genera
Species |
Taxom
| | Family | Theridiidae
Sundevall, 1833
Cobweb And Widow Spiders, Cobweb spider, Cobweb spiders | 17
25 | Genera
Species |
Taxom
|
Genera for Southern Alberta
17 Genera with 25 Species | Asagena Sundevall, 1882 | | 1 | Species | Taxom | | Canalidion Wunderlich, 1882 | | 1 | Species | Taxom | | Chrysso O. P.-Cambridge, 1957 | Comb-footed Spiders | 2 | Species | Taxom | | Crustulina Menge, 1834 | | 1 | Species | Taxom | | Enoplognatha Pavesi, 1758 | | 1 | Species | Taxom | | Euryopis Menge, 1954 | | 2 | Species | Taxom | | Latrodectus Walckenaer, 1935 | Black widow spider | 1 | Species | Taxom | | Neottiura Menge, 1767 | | 1 | Species | Taxom | | Ohlertidion Wunderlich, 1870 | | 1 | Species | Taxom | | Parasteatoda Archer, 1841 | Comb-Clawed Spider | 1 | Species | Taxom | | Pholcomma Thorell, 1851 | | 1 | Species | Taxom | | Phylloneta Archer, 1881 | | 1 | Species | Taxom | | Rugathodes Archer, 1882 | | 2 | Species | Taxom | | Steatoda Sundevall, 1802 | False black widows | 3 | Species | Taxom | | Theridion Walckenaer, 1872 | Tangle-Web Spiders | 4 | Species | Taxom | | Theridula Emerton, 1954 | | 1 | Species | Taxom | | Thymoites Keyserling, 1882 | | 1 | Species | Taxom |
Species list for Southern Alberta
25 Species | Asagena americana James Henry ..., 1882 | Two-Spotted Cobweb Spider | | Canalidion montanum James Henry ..., 1882 | | | Chrysso nordica Ralph Vary C..., 1947 | | | Chrysso pelyx Herbert Walt..., 1957 | | | Crustulina guttata Wider, 1834 | | | Enoplognatha ovata (Clerck, 1758) | ⇒ Enoplognatha latimana Hippa & Oksala, 1982 | | Euryopis argentea Emerton, 1882 | | | Euryopis pepini Levi, 1954 | | | Latrodectus hesperus Chamberlin &..., 1935 | Western black widow | | Neottiura bimaculata Linnaeus, 1767 | | | Ohlertidion ohlerti Tord Tamerla..., 1870 | | | Parasteatoda tepidariorum C. L. Koch, 1841 | American house false widow spider | | Pholcomma gibbum Johan Peter ..., 1851 | | | Phylloneta impressa Ludwig Carl ..., 1881 | | | Rugathodes aurantius James Henry ..., 1915 | | | Rugathodes sexpunctatus James Henry ..., 1882 | | | Steatoda albomaculata (De Geer, 1778) | ⇒ Chrysso albomaculata O. P.-Cambridge, 1882 | | Steatoda hespera Ralph Vary C..., 1933 | Florida carpenter ant | | Steatoda triangulosa Walckenaer, 1802 | Triangulate bud spider | | Theridion differens (James Henry ..., 1882) | ⇒ Theridion glaucescens Lawrence Becker, 1879 | | Theridion frondeum Nicholas Mar..., 1850 | Eastern Long-Legged Cobweaver | | Theridion murarium James Henry ..., 1882 | | | Theridion petraeum (Ludwig Carl ..., 1872) | ⇒ Theridion wiehlei Ehrenfried S..., 1938 | | Theridula emertoni Herbert Walt..., 1954 | Emerton'S Bitubercled Cobweaver | | Thymoites unimaculatus James Henry ..., 1882 | |
Subnodes of Theridiidae with occurrences in Southern Alberta
 | | 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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