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Checklist for Family Theridiidae Sundevall, 1833 (Cobweb And Widow Spiders)
and region Accomack County (Virginia, USA)


Class
 		Arachnida
Lamarck, 1801
Arachnids		22
36
40		Families
Genera
Species		 
Taxom
 

Subclass
 		Micrura
Ehrenberg, 1831
20
33
37		Families
Genera
Species		 
Taxom
 

Infraclass
 		Megoperculata
Börner, 1902
15
28
33		Families
Genera
Species		 
Taxom
 

Order
 		Araneae
Clerck, 1757
Spider, Spiders, True Spiders		15
28
33		Families
Genera
Species		 
Taxom
 

Suborder
 		Araneomorphae
Smith, 1902
True Spiders		15
28
33		Families
Genera
Species		 
Taxom
 

Infraorder
 		Araneomorphi
Smith, 1902
14
27
32		Families
Genera
Species		 
Taxom
 

Superfamily
 		Araneoidea
Latreille, 1806
4
15
18		Families
Genera
Species		 
Taxom
 
FamilyTheridiidae
Sundevall, 1833
Cobweb And Widow Spiders, Cobweb spider, Cobweb spiders		6
6		Genera
Species		 
Taxom
 


Genera for Accomack County
6 Genera with 6 Species
Anelosimus Simon, 1850Social cobweb spiders1SpeciesTaxom
Asagena Sundevall, 18821SpeciesTaxom
Latrodectus Walckenaer, 1837Black widow spider1SpeciesTaxom
Neospintharus Exline, 18501SpeciesTaxom
Theridion Walckenaer, 1850Tangle-Web Spiders1SpeciesTaxom
Theridula Emerton, 18421SpeciesTaxom


Species list for Accomack County
6 Species
Anelosimus studiosus (Nicholas Mar..., 1850)⇒ Anelosimus fraternus Agnarsson, 2006
Asagena americana James Henry ..., 1882Two-Spotted Cobweb Spider
Latrodectus variolus (Walckenaer, 1837)⇒ Latrodectus hesperus Chamberlin &..., 1935
Neospintharus trigonum Nicholas Mar..., 1850Horned Parasitic Cobweaver
Theridion frondeum Nicholas Mar..., 1850Eastern Long-Legged Cobweaver
Theridula opulenta (Charles Atha..., 1842)⇒ Theridula gonygaster Eugène Simon, 1873

Subnodes of Theridiidae with occurrences in Accomack County
SubfamilyArgyrodinae
Simon, 1894
1
1		Genus
Species
Taxom

SubfamilyLatrodectinae
Petrunkevitch, 1928
1
1		Genus
Species
Taxom

SubfamilyTheridiinae
Sundevall, 1833
2
2		Genera
Species
Taxom



Theridiidae (Sundevall 1833)
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