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


Class
 
Arachnida
Lamarck, 1801
Arachnids
46
140
242
Families
Genera
Species
 
Taxom
 

Subclass
 
Micrura
Ehrenberg, 1831
37
127
231
Families
Genera
Species
 
Taxom
 

Infraclass
 
Megoperculata
Börner, 1902
26
115
221
Families
Genera
Species
 
Taxom
 

Order
 
Araneae
Clerck, 1757
Spider, Spiders, True Spiders
26
115
221
Families
Genera
Species
 
Taxom
 

Suborder
 
Araneomorphae
Smith, 1902
True Spiders
24
112
216
Families
Genera
Species
 
Taxom
 

Infraorder
 
Araneomorphi
Smith, 1902
24
112
216
Families
Genera
Species
 
Taxom
 

Superfamily
 
Araneoidea
Latreille, 1806
4
32
50
Families
Genera
Species
 
Taxom
 
FamilyTheridiidae
Sundevall, 1833
Cobweb And Widow Spiders, Cobweb spider, Cobweb spiders
5
13
Genera
Species
 
Taxom
 


Genera for Boulder County
5 Genera with 13 Species
Enoplognatha Pavesi, 17582SpeciesTaxom
Euryopis Menge, 19082SpeciesTaxom
Latrodectus Walckenaer, 1775Black widow spider2SpeciesTaxom
Steatoda Sundevall, 1838False black widows3SpeciesTaxom
Theridion Walckenaer, 1802Tangle-Web Spiders4SpeciesTaxom


Species list for Boulder County
13 Species
Enoplognatha intrepida William Sør..., 1898
Enoplognatha ovata (Clerck, 1758)⇒ Enoplognatha latimana Hippa & Oksala, 1982
Euryopis funebris Hentz, 1850
Euryopis scriptipes Banks, 1908
Latrodectus hesperus Chamberlin &..., 1935Western black widow
Latrodectus mactans (Fabricius, 1775)⇒ Latrodectus tredecimguttatus Rossi, 1790
Steatoda albomaculata (De Geer, 1778)⇒ Chrysso albomaculata O. P.-Cambridge, 1882
Steatoda grandis (Richard C. B..., 1901)⇒ Steatoda mexicana Herbert Walt..., 1957
Steatoda grossa C. L. Koch, 1838Brown house spider
Theridion differens (James Henry ..., 1882)⇒ Theridion glaucescens Lawrence Becker, 1879
Theridion frondeum Nicholas Mar..., 1850Eastern Long-Legged Cobweaver
Theridion neomexicanum Richard C. B..., 1901
Theridion pictum (Charles Atha..., 1802)⇒ Theridion hemerobium Eugène Simon, 1914

Subnodes of Theridiidae with occurrences in Boulder County
SubfamilyHadrotarsinae
Thorell, 1881
1
2
Genus
Species

Taxom

SubfamilyLatrodectinae
Petrunkevitch, 1928
2
5
Genera
Species

Taxom

SubfamilyPholcommatinae
Simon, 1894
1
2
Genus
Species

Taxom

SubfamilyTheridiinae
Sundevall, 1833
1
4
Genus
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