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Checklist for Subfamily Latrodectinae Petrunkevitch, 1928
and region West USA (USA)


Class
 
Arachnida
Lamarck, 1801
Arachnids
358
1430
3936
Families
Genera
Species
 
Taxom
 

Subclass
 
Micrura
Ehrenberg, 1831
314
1250
3312
Families
Genera
Species
 
Taxom
 

Infraclass
 
Megoperculata
Börner, 1902
73
553
2092
Families
Genera
Species
 
Taxom
 

Order
 
Araneae
Clerck, 1757
Spider, Spiders, True Spiders
68
546
2078
Families
Genera
Species
 
Taxom
 

Suborder
 
Araneomorphae
Smith, 1902
True Spiders
56
514
1972
Families
Genera
Species
 
Taxom
 

Infraorder
 
Araneomorphi
Smith, 1902
54
512
1965
Families
Genera
Species
 
Taxom
 

Superfamily
 
Araneoidea
Latreille, 1806
9
221
785
Families
Genera
Species
 
Taxom
 
FamilyTheridiidae
Sundevall, 1833
Cobweb And Widow Spiders, Cobweb spider, Cobweb spiders
34
127
Genera
Species
 
Taxom
 
SubfamilyLatrodectinae
Petrunkevitch, 1928
3
29
Genera
Species
 
Taxom
 


Genera for West USA
3 Genera with 29 Species
Crustulina Menge, 18611SpeciesTaxom
Latrodectus Walckenaer, 1837Black widow spider13SpeciesTaxom
Steatoda Sundevall, 1960False black widows15SpeciesTaxom


Species list for West USA
29 Species
Crustulina sticta (O. P.-Cambridge, 1861)⇒ Crustulina guttata Wider, 1834
Latrodectus bishopi Kaston, 1938Red widow
Latrodectus curacaviensis (Müller, 1776)⇒ Latrodectus variegatus Hercule Nicolet, 1849
Latrodectus diaguita Carcavallo, 1960
Latrodectus elegans Thorell, 1898
Latrodectus geometricus C. L. Koch, 1841Brown black widow
Latrodectus hesperus Chamberlin &..., 1935Western black widow
Latrodectus karrooensis Smithers, 1944
Latrodectus katipo Powell, 1871Red Katipo
Latrodectus mactans (Fabricius, 1775)⇒ Latrodectus tredecimguttatus Rossi, 1790
Latrodectus renivulvatus Dahl, 1902
Latrodectus revivensis Shulov, 1948
Latrodectus tredecimguttatus Rossi, 1790European black widow
Latrodectus variolus (Walckenaer, 1837)⇒ Latrodectus hesperus Chamberlin &..., 1935
Steatoda alboclathrata Eugène Simon, 1897
Steatoda albomaculata (De Geer, 1778)⇒ Chrysso albomaculata O. P.-Cambridge, 1882
Steatoda americana (Emerton, 1882)⇒ Steatoda mexicana Herbert Walt..., 1957
Steatoda atascadera Ralph Vary C..., 1942
Steatoda bipunctata Linnaeus, 1758False widow
Steatoda borealis Nicholas Mar..., 1850Boreal Combfoot
Steatoda fulva (Keyserling, 1884)⇒ Asagena fulva Eugen von Ke..., 1884
Steatoda grandis (Richard C. B..., 1901)⇒ Steatoda mexicana Herbert Walt..., 1957
Steatoda grossa C. L. Koch, 1838Brown house spider
Steatoda hespera Ralph Vary C..., 1933Florida carpenter ant
Steatoda mexicana Herbert Walt..., 1957
Steatoda nobilis Tord Tamerla..., 1875Cobweb weaver
Steatoda trianguloides Gershom Levy, 1991
Steatoda triangulosa Walckenaer, 1802Triangulate bud spider
Steatoda variata Willis J. Ge..., 1960