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Checklist for Subfamily Theridiinae Sundevall, 1833
and region Allegheny County (Pennsylvania, USA)


Class
 
Arachnida
Lamarck, 1801
Arachnids
50
118
151
Families
Genera
Species
 
Taxom
 

Subclass
 
Micrura
Ehrenberg, 1831
45
112
143
Families
Genera
Species
 
Taxom
 

Infraclass
 
Megoperculata
Börner, 1902
24
83
121
Families
Genera
Species
 
Taxom
 

Order
 
Araneae
Clerck, 1757
Spider, Spiders, True Spiders
24
83
121
Families
Genera
Species
 
Taxom
 

Suborder
 
Araneomorphae
Smith, 1902
True Spiders
22
81
118
Families
Genera
Species
 
Taxom
 

Infraorder
 
Araneomorphi
Smith, 1902
22
81
118
Families
Genera
Species
 
Taxom
 

Superfamily
 
Araneoidea
Latreille, 1806
4
34
46
Families
Genera
Species
 
Taxom
 
FamilyTheridiidae
Sundevall, 1833
Cobweb And Widow Spiders, Cobweb spider, Cobweb spiders
8
10
Genera
Species
 
Taxom
 
SubfamilyTheridiinae
Sundevall, 1833
3
5
Genera
Species
 
Taxom
 


Genera for Allegheny County
3 Genera with 5 Species
Achaearanea Strand, 1929
0SpeciesTaxom
Theridion Walckenaer, 1879Tangle-Web Spiders3SpeciesTaxom
Theridula Emerton, 18422SpeciesTaxom


Species list for Allegheny County
5 Species
Theridion differens (James Henry ..., 1882)⇒ Theridion glaucescens Lawrence Becker, 1879
Theridion frondeum Nicholas Mar..., 1850Eastern Long-Legged Cobweaver
Theridion glaucescens Lawrence Becker, 1879
Theridula emertoni Herbert Walt..., 1954Emerton'S Bitubercled Cobweaver
Theridula opulenta (Charles Atha..., 1842)⇒ Theridula gonygaster Eugène Simon, 1873