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Checklist for Subfamily Latrodectinae Petrunkevitch, 1928
and region Penobscot County (Maine, USA)


Class
 
Arachnida
Lamarck, 1801
Arachnids
40
184
348
Families
Genera
Species
 
Taxom
 

Subclass
 
Micrura
Ehrenberg, 1831
37
176
340
Families
Genera
Species
 
Taxom
 

Infraclass
 
Megoperculata
Börner, 1902
27
165
330
Families
Genera
Species
 
Taxom
 

Order
 
Araneae
Clerck, 1757
Spider, Spiders, True Spiders
27
165
330
Families
Genera
Species
 
Taxom
 

Suborder
 
Araneomorphae
Smith, 1902
True Spiders
25
162
318
Families
Genera
Species
 
Taxom
 

Infraorder
 
Araneomorphi
Smith, 1902
25
162
318
Families
Genera
Species
 
Taxom
 

Superfamily
 
Araneoidea
Latreille, 1806
5
88
158
Families
Genera
Species
 
Taxom
 
FamilyTheridiidae
Sundevall, 1833
Cobweb And Widow Spiders, Cobweb spider, Cobweb spiders
21
29
Genera
Species
 
Taxom
 
SubfamilyLatrodectinae
Petrunkevitch, 1928
2
3
Genera
Species
 
Taxom
 


Genera for Penobscot County
2 Genera with 3 Species
Latrodectus Walckenaer, 1935Black widow spider1SpeciesTaxom
Steatoda Sundevall, 1850False black widows2SpeciesTaxom


Species list for Penobscot County
3 Species
Latrodectus hesperus Chamberlin &..., 1935Western black widow
Steatoda bipunctata Linnaeus, 1758False widow
Steatoda borealis Nicholas Mar..., 1850Boreal Combfoot