Checklist for Family Theridiidae Sundevall, 1833 (Cobweb And Widow Spiders)
and region Athabasca County (Northern Alberta, Alberta, Canada)
Class
| Arachnida
Lamarck, 1801
Arachnids | 53
147
215 | Families
Genera
Species |
Taxom
|
Subclass
| Micrura
Ehrenberg, 1831
| 49
140
208 | Families
Genera
Species |
Taxom
|
Infraclass
| Megoperculata
Börner, 1902
| 21
111
196 | Families
Genera
Species |
Taxom
|
Order
| Araneae
Clerck, 1757
Spider, Spiders, True Spiders | 21
111
196 | Families
Genera
Species |
Taxom
|
Suborder
| Araneomorphae
Smith, 1902
True Spiders | 20
109
191 | Families
Genera
Species |
Taxom
|
Infraorder
| Araneomorphi
Smith, 1902
| 20
109
191 | Families
Genera
Species |
Taxom
|
Superfamily
| Araneoidea
Latreille, 1806
| 4
56
87 | Families
Genera
Species |
Taxom
| | Family | Theridiidae
Sundevall, 1833
Cobweb And Widow Spiders, Cobweb spider, Cobweb spiders | 10
11 | Genera
Species |
Taxom
|
Genera for Athabasca County
10 Genera with 11 Species | Chrysso O. P.-Cambridge, 1947 | Comb-footed Spiders | 1 | Species | Taxom | | Crustulina Menge, 1861 | | 2 | Species | Taxom | | Enoplognatha Pavesi, 1758 | | 1 | Species | Taxom | | Euryopis Menge, 1908 | | 1 | Species | Taxom | | Lasaeola Simon, 1868 | | 1 | Species | Taxom | | Neottiura Menge, 1767 | | 1 | Species | Taxom | | Phylloneta Archer, 1881 | | 1 | Species | Taxom | | Robertus O. P.-Cambridge, 1947 | | 1 | Species | Taxom | | Steatoda Sundevall, 1802 | False black widows | 1 | Species | Taxom | | Theridion Walckenaer, 1882 | Tangle-Web Spiders | 1 | Species | Taxom |
Species list for Athabasca County
11 Species | Chrysso nordica Ralph Vary C..., 1947 | | | Crustulina guttata Wider, 1834 | | | Crustulina sticta (O. P.-Cambridge, 1861) | ⇒ Crustulina guttata Wider, 1834 | | Enoplognatha ovata (Clerck, 1758) | ⇒ Enoplognatha latimana Hippa & Oksala, 1982 | | Euryopis scriptipes Banks, 1908 | | | Lasaeola prona Menge, 1868 | | | Neottiura bimaculata Linnaeus, 1767 | | | Phylloneta impressa Ludwig Carl ..., 1881 | | | Robertus arcticus Ralph Vary C..., 1947 | | | Steatoda triangulosa Walckenaer, 1802 | Triangulate bud spider | | Theridion differens (James Henry ..., 1882) | ⇒ Theridion glaucescens Lawrence Becker, 1879 |
Subnodes of Theridiidae with occurrences in Athabasca 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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