Species list, Checklist of Family Theridiidae (Cobweb And Widow Spiders) for Lewis and Clark County (Montana, USA)

Ants	Arachnids
Bees	Beetles
Booklice	Bugs
Bumblebees	Butterflies
Cicadas	Crane flies
Dragonflies	Earwigs
Flies	Isopods
Locusts	Mantises
Mayflies	Mosquitoes
Myriapods	Net-winged
Plant-parasitic	Scorpion flies
Termites	Wasps

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INSECTOIDGERENGDARK LIGHT

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Checklist for Family Theridiidae Sundevall, 1833 (Cobweb And Widow Spiders)
and region Lewis and Clark County (Montana, USA)

Class	Arachnida Lamarck, 1801 Arachnids	24 53 60	Families Genera Species	Taxom
Subclass	Micrura Ehrenberg, 1831	22 51 59	Families Genera Species	Taxom
Infraclass	Megoperculata Börner, 1902	19 47 56	Families Genera Species	Taxom
Order	Araneae Clerck, 1757 Spider, Spiders, True Spiders	19 47 56	Families Genera Species	Taxom
Suborder	Araneomorphae Smith, 1902 True Spiders	19 47 56	Families Genera Species	Taxom
Infraorder	Araneomorphi Smith, 1902	19 47 56	Families Genera Species	Taxom
Superfamily	Araneoidea Latreille, 1806	4 14 19	Families Genera Species	Taxom
Family	Theridiidae Sundevall, 1833 Cobweb And Widow Spiders, Cobweb spider, Cobweb spiders	4 6	Genera Species	Taxom

Genera for Lewis and Clark County
4 Genera with 6 Species

Latrodectus Walckenaer, 1775	Black widow spider	2	Species	Taxom
Parasteatoda Archer, 1841	Comb-Clawed Spider	1	Species	Taxom
Phylloneta Archer, 1881		1	Species	Taxom
Steatoda Sundevall, 1802	False black widows	2	Species	Taxom

Species list for Lewis and Clark County
6 Species

Latrodectus hesperus Chamberlin &..., 1935	Western black widow
Latrodectus mactans (Fabricius, 1775)	⇒ Latrodectus tredecimguttatus Rossi, 1790
Parasteatoda tepidariorum C. L. Koch, 1841	American house false widow spider
Phylloneta impressa Ludwig Carl ..., 1881
Steatoda grandis (Richard C. B..., 1901)	⇒ Steatoda mexicana Herbert Walt..., 1957
Steatoda triangulosa Walckenaer, 1802	Triangulate bud spider

Subnodes of Theridiidae with occurrences in Lewis and Clark County

Subfamily

Latrodectinae
Petrunkevitch, 1928

2
4

Genera
Species

Taxom

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