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


Class
 
Arachnida
Lamarck, 1801
Arachnids
60
142
198
Families
Genera
Species
 
Taxom
 

Subclass
 
Micrura
Ehrenberg, 1831
52
131
183
Families
Genera
Species
 
Taxom
 

Infraclass
 
Megoperculata
Börner, 1902
22
96
151
Families
Genera
Species
 
Taxom
 

Order
 
Araneae
Clerck, 1757
Spider, Spiders, True Spiders
22
96
151
Families
Genera
Species
 
Taxom
 

Suborder
 
Araneomorphae
Smith, 1902
True Spiders
20
94
149
Families
Genera
Species
 
Taxom
 

Infraorder
 
Araneomorphi
Smith, 1902
20
94
149
Families
Genera
Species
 
Taxom
 

Superfamily
 
Araneoidea
Latreille, 1806
5
35
56
Families
Genera
Species
 
Taxom
 
FamilyTheridiidae
Sundevall, 1833
Cobweb And Widow Spiders, Cobweb spider, Cobweb spiders
9
12
Genera
Species
 
Taxom
 


Genera for Iowa
9 Genera with 12 Species
Asagena Sundevall, 18821SpeciesTaxom
Enoplognatha Pavesi, 17582SpeciesTaxom
Latrodectus Walckenaer, 1775Black widow spider1SpeciesTaxom
Melychiopharis Simon, 18951SpeciesTaxom
Neospintharus Exline, 18501SpeciesTaxom
Parasteatoda Archer, 1841Comb-Clawed Spider1SpeciesTaxom
Steatoda Sundevall, 1802False black widows3SpeciesTaxom
Theridion Walckenaer, 1850Tangle-Web Spiders1SpeciesTaxom
Yunohamella Yoshida, 18421SpeciesTaxom


Species list for Iowa
12 Species
Asagena americana James Henry ..., 1882Two-Spotted Cobweb Spider
Enoplognatha marmorata (Nicholas Mar..., 1850)⇒ Enoplognatha caricis Fickert, 1876
Enoplognatha ovata (Clerck, 1758)⇒ Enoplognatha latimana Hippa & Oksala, 1982
Latrodectus mactans (Fabricius, 1775)⇒ Latrodectus tredecimguttatus Rossi, 1790
Melychiopharis cynips Eugène Simon, 1895
Neospintharus trigonum Nicholas Mar..., 1850Horned Parasitic Cobweaver
Parasteatoda tepidariorum C. L. Koch, 1841American house false widow spider
Steatoda borealis Nicholas Mar..., 1850Boreal Combfoot
Steatoda hespera Ralph Vary C..., 1933Florida carpenter ant
Steatoda triangulosa Walckenaer, 1802Triangulate bud spider
Theridion frondeum Nicholas Mar..., 1850Eastern Long-Legged Cobweaver
Yunohamella lyrica Walckenaer, 1842

Subnodes of Theridiidae with occurrences in Iowa
SubfamilyArgyrodinae
Simon, 1894
1
1
Genus
Species

Taxom

SubfamilyLatrodectinae
Petrunkevitch, 1928
2
4
Genera
Species

Taxom

SubfamilyPholcommatinae
Simon, 1894
1
2
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