Checklist for Family Theridiidae Sundevall, 1833 (Cobweb And Widow Spiders)
and region Maryland (USA)
Class
| Arachnida
Lamarck, 1801
Arachnids | 93
241
329 | Families
Genera
Species |
Taxom
|
Subclass
| Micrura
Ehrenberg, 1831
| 83
223
302 | Families
Genera
Species |
Taxom
|
Infraclass
| Megoperculata
Börner, 1902
| 30
137
218 | Families
Genera
Species |
Taxom
|
Order
| Araneae
Clerck, 1757
Spider, Spiders, True Spiders | 30
137
218 | Families
Genera
Species |
Taxom
|
Suborder
| Araneomorphae
Smith, 1902
True Spiders | 26
132
212 | Families
Genera
Species |
Taxom
|
Infraorder
| Araneomorphi
Smith, 1902
| 26
132
212 | Families
Genera
Species |
Taxom
|
Superfamily
| Araneoidea
Latreille, 1806
| 6
49
82 | Families
Genera
Species |
Taxom
| | Family | Theridiidae
Sundevall, 1833
Cobweb And Widow Spiders, Cobweb spider, Cobweb spiders | 15
21 | Genera
Species |
Taxom
|
Genera for Maryland
15 Genera with 21 Species | Anelosimus Simon, 1850 | Social cobweb spiders | 1 | Species | Taxom | | Asagena Sundevall, 1882 | | 1 | Species | Taxom | | Enoplognatha Pavesi, 1850 | | 1 | Species | Taxom | | Latrodectus Walckenaer, 1837 | Black widow spider | 3 | Species | Taxom | | Neospintharus Exline, 1850 | | 1 | Species | Taxom | | Parasteatoda Archer, 1841 | Comb-Clawed Spider | 1 | Species | Taxom | | Phylloneta Archer, 1884 | | 1 | Species | Taxom | | Platnickina Kocak & Kemal, 1882 | | 1 | Species | Taxom | | Spintharus Hentz, 1850 | | 1 | Species | Taxom | | Steatoda Sundevall, 1802 | False black widows | 3 | Species | Taxom | | Theridion Walckenaer, 1850 | Tangle-Web Spiders | 2 | Species | Taxom | | Theridula Emerton, 1842 | | 2 | Species | Taxom | | Thymoites Keyserling, 1882 | | 1 | Species | Taxom | | Tidarren Chamberlin &..., 1842 | | 1 | Species | Taxom | | Yunohamella Yoshida, 1842 | | 1 | Species | Taxom |
Species list for Maryland
21 Species | Anelosimus studiosus (Nicholas Mar..., 1850) | ⇒ Anelosimus fraternus Agnarsson, 2006 | | Asagena americana James Henry ..., 1882 | Two-Spotted Cobweb Spider | | Enoplognatha marmorata (Nicholas Mar..., 1850) | ⇒ Enoplognatha caricis Fickert, 1876 | | Latrodectus geometricus C. L. Koch, 1841 | Brown black widow | | Latrodectus mactans (Fabricius, 1775) | ⇒ Latrodectus tredecimguttatus Rossi, 1790 | | Latrodectus variolus (Walckenaer, 1837) | ⇒ Latrodectus hesperus Chamberlin &..., 1935 | | Neospintharus trigonum Nicholas Mar..., 1850 | Horned Parasitic Cobweaver | | Parasteatoda tepidariorum C. L. Koch, 1841 | American house false widow spider | | Phylloneta pictipes Keyserling, 1884 | | | Platnickina punctosparsa James Henry ..., 1882 | | | Spintharus flavidus Nicholas Mar..., 1850 | Cobweb spiders | | Steatoda borealis Nicholas Mar..., 1850 | Boreal Combfoot | | Steatoda grossa C. L. Koch, 1838 | Brown house spider | | Steatoda triangulosa Walckenaer, 1802 | Triangulate bud spider | | Theridion albidum (Richard C. B..., 1895) | ⇒ Theridion berlandi Carl Friedri..., 1942 | | Theridion frondeum Nicholas Mar..., 1850 | Eastern Long-Legged Cobweaver | | Theridula emertoni Herbert Walt..., 1954 | Emerton'S Bitubercled Cobweaver | | Theridula opulenta (Charles Atha..., 1842) | ⇒ Theridula gonygaster Eugène Simon, 1873 | | Thymoites unimaculatus James Henry ..., 1882 | | | Tidarren sisyphoides Charles Atha..., 1842 | Cobweb spiders | | Yunohamella lyrica Walckenaer, 1842 | |
Subnodes of Theridiidae with occurrences in Maryland
 | | 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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