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Checklist for Family Theridiidae Sundevall, 1833 (Cobweb And Widow Spiders)
and region Middlesex County (Southwestern Ontario, Ontario, Canada)


Class
 
Arachnida
Lamarck, 1801
Arachnids
57
123
132
Families
Genera
Species
 
Taxom
 

Subclass
 
Micrura
Ehrenberg, 1831
53
116
126
Families
Genera
Species
 
Taxom
 

Infraclass
 
Megoperculata
Börner, 1902
21
77
104
Families
Genera
Species
 
Taxom
 

Order
 
Araneae
Clerck, 1757
Spider, Spiders, True Spiders
21
77
104
Families
Genera
Species
 
Taxom
 

Suborder
 
Araneomorphae
Smith, 1902
True Spiders
20
75
99
Families
Genera
Species
 
Taxom
 

Infraorder
 
Araneomorphi
Smith, 1902
20
75
99
Families
Genera
Species
 
Taxom
 

Superfamily
 
Araneoidea
Latreille, 1806
4
37
49
Families
Genera
Species
 
Taxom
 
FamilyTheridiidae
Sundevall, 1833
Cobweb And Widow Spiders, Cobweb spider, Cobweb spiders
8
11
Genera
Species
 
Taxom
 


Genera for Middlesex County (Canada)
8 Genera with 11 Species
Achaearanea Strand, 1929
0SpeciesTaxom
Enoplognatha Pavesi, 17581SpeciesTaxom
Euryopis Menge, 18502SpeciesTaxom
Parasteatoda Archer, 1841Comb-Clawed Spider1SpeciesTaxom
Steatoda Sundevall, 1802False black widows2SpeciesTaxom
Theridion Walckenaer, 1879Tangle-Web Spiders3SpeciesTaxom
Theridula Emerton, 19541SpeciesTaxom
Thymoites Keyserling, 18821SpeciesTaxom


Species list for Middlesex County (Canada)
11 Species
Enoplognatha ovata (Clerck, 1758)⇒ Enoplognatha latimana Hippa & Oksala, 1982
Euryopis argentea Emerton, 1882
Euryopis funebris Hentz, 1850
Parasteatoda tepidariorum C. L. Koch, 1841American house false widow spider
Steatoda grossa C. L. Koch, 1838Brown house spider
Steatoda triangulosa Walckenaer, 1802Triangulate bud spider
Theridion albidum (Richard C. B..., 1895)⇒ Theridion berlandi Carl Friedri..., 1942
Theridion frondeum Nicholas Mar..., 1850Eastern Long-Legged Cobweaver
Theridion glaucescens Lawrence Becker, 1879
Theridula emertoni Herbert Walt..., 1954Emerton'S Bitubercled Cobweaver
Thymoites unimaculatus James Henry ..., 1882

Subnodes of Theridiidae with occurrences in Middlesex County (Canada)
SubfamilyHadrotarsinae
Thorell, 1881
1
2
Genus
Species

Taxom

SubfamilyLatrodectinae
Petrunkevitch, 1928
1
2
Genus
Species

Taxom

SubfamilyPholcommatinae
Simon, 1894
1
1
Genus
Species

Taxom

SubfamilyTheridiinae
Sundevall, 1833
4
5
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