Checklist for Family Theridiidae Sundevall, 1833 (Cobweb And Widow Spiders)
and region Pennsylvania (USA)
Class
| Arachnida
Lamarck, 1801
Arachnids | 126
337
484 | Families
Genera
Species |
Taxom
|
Subclass
| Micrura
Ehrenberg, 1831
| 105
308
445 | Families
Genera
Species |
Taxom
|
Infraclass
| Megoperculata
Börner, 1902
| 33
180
328 | Families
Genera
Species |
Taxom
|
Order
| Araneae
Clerck, 1757
Spider, Spiders, True Spiders | 32
179
327 | Families
Genera
Species |
Taxom
|
Suborder
| Araneomorphae
Smith, 1902
True Spiders | 27
171
313 | Families
Genera
Species |
Taxom
|
Infraorder
| Araneomorphi
Smith, 1902
| 27
171
313 | Families
Genera
Species |
Taxom
|
Superfamily
| Araneoidea
Latreille, 1806
| 5
66
119 | Families
Genera
Species |
Taxom
| | Family | Theridiidae
Sundevall, 1833
Cobweb And Widow Spiders, Cobweb spider, Cobweb spiders | 18
28 | Genera
Species |
Taxom
|
Genera for Pennsylvania
18 Genera with 28 Species Achaearanea Strand, 1929 | | 0 | Species | Taxom | | Asagena Sundevall, 1882 | | 1 | Species | Taxom | | Dipoena Thorell, 1882 | | 1 | Species | Taxom | | Enoplognatha Pavesi, 1758 | | 3 | Species | Taxom | | Episinus Walckenaer, 1911 | | 1 | Species | Taxom | | Euryopis Menge, 1900 | | 1 | Species | Taxom | | Latrodectus Walckenaer, 1837 | Black widow spider | 2 | Species | Taxom | | Neospintharus Exline, 1850 | | 2 | Species | Taxom | | Parasteatoda Archer, 1841 | Comb-Clawed Spider | 1 | Species | Taxom | | Pholcomma Thorell, 1882 | | 2 | Species | Taxom | | Rhomphaea L. Koch, 1850 | | 1 | Species | Taxom | | Spintharus Hentz, 1850 | | 1 | Species | Taxom | | Steatoda Sundevall, 1802 | False black widows | 4 | Species | Taxom | Takayus Yoshida, 2001 | | 0 | Species | Taxom | | Theridion Walckenaer, 1882 | Tangle-Web Spiders | 4 | Species | Taxom | | Theridula Emerton, 1842 | | 2 | Species | Taxom | | Thymoites Keyserling, 1882 | | 1 | Species | Taxom | | Yunohamella Yoshida, 1842 | | 1 | Species | Taxom |
Species list for Pennsylvania
28 Species | Asagena americana James Henry ..., 1882 | Two-Spotted Cobweb Spider | | Dipoena nigra (James Henry ..., 1882) | ⇒ Theridula nigerrima Alexander Pe..., 1911 | | Enoplognatha caricis Fickert, 1876 | | | Enoplognatha marmorata (Nicholas Mar..., 1850) | ⇒ Enoplognatha caricis Fickert, 1876 | | Enoplognatha ovata (Clerck, 1758) | ⇒ Enoplognatha latimana Hippa & Oksala, 1982 | | Episinus amoenus Richard C. B..., 1911 | | | Euryopis quinquemaculata Banks, 1900 | | | Latrodectus mactans (Fabricius, 1775) | ⇒ Latrodectus tredecimguttatus Rossi, 1790 | | Latrodectus variolus (Walckenaer, 1837) | ⇒ Latrodectus hesperus Chamberlin &..., 1935 | | Neospintharus furcatus O. P.-Cambridge, 1894 | Cobweb spiders | | Neospintharus trigonum Nicholas Mar..., 1850 | Horned Parasitic Cobweaver | | Parasteatoda tepidariorum C. L. Koch, 1841 | American house false widow spider | | Pholcomma barnesi Herbert Walt..., 1957 | | | Pholcomma hirsutum James Henry ..., 1882 | | | Rhomphaea fictilium Hentz, 1850 | Lizard Spider | | Spintharus flavidus Nicholas Mar..., 1850 | Cobweb spiders | | Steatoda borealis Nicholas Mar..., 1850 | Boreal Combfoot | | Steatoda grossa C. L. Koch, 1838 | Brown house spider | | Steatoda nobilis Tord Tamerla..., 1875 | Cobweb weaver | | 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 glaucescens Lawrence Becker, 1879 | | | Theridion murarium James Henry ..., 1882 | | | Theridula emertoni Herbert Walt..., 1954 | Emerton'S Bitubercled Cobweaver | | Theridula opulenta (Charles Atha..., 1842) | ⇒ Theridula gonygaster Eugène Simon, 1873 | | Thymoites unimaculatus James Henry ..., 1882 | | | Yunohamella lyrica Walckenaer, 1842 | |
Subnodes of Theridiidae with occurrences in Pennsylvania
 | | 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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