Species list, Checklist of Family Theridiidae (Cobweb And Widow Spiders) for Polk County (Texas, 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 Polk County (Texas, USA)

Class	Arachnida Lamarck, 1801 Arachnids	30 49 44	Families Genera Species	Taxom
Subclass	Micrura Ehrenberg, 1831	28 47 42	Families Genera Species	Taxom
Infraclass	Megoperculata Börner, 1902	21 39 34	Families Genera Species	Taxom
Order	Araneae Clerck, 1757 Spider, Spiders, True Spiders	21 39 34	Families Genera Species	Taxom
Suborder	Araneomorphae Smith, 1902 True Spiders	19 37 34	Families Genera Species	Taxom
Infraorder	Araneomorphi Smith, 1902	19 37 34	Families Genera Species	Taxom
Superfamily	Araneoidea Latreille, 1806	4 9 11	Families Genera Species	Taxom
Family	Theridiidae Sundevall, 1833 Cobweb And Widow Spiders, Cobweb spider, Cobweb spiders	2 6	Genera Species	Taxom

Genera for Polk County (Texas)
2 Genera with 6 Species

Emertonella Bryant, 1886		1	Species	Taxom
Latrodectus Walckenaer, 1790	Black widow spider	5	Species	Taxom

Species list for Polk County (Texas)
6 Species

Emertonella taczanowskii Keyserling, 1886	Cobweb spiders
Latrodectus elegans Thorell, 1898
Latrodectus geometricus C. L. Koch, 1841	Brown black widow
Latrodectus mactans (Fabricius, 1775)	⇒ Latrodectus tredecimguttatus Rossi, 1790
Latrodectus renivulvatus Dahl, 1902
Latrodectus tredecimguttatus Rossi, 1790	European black widow

Subnodes of Theridiidae with occurrences in Polk County (Texas)

Subfamily	Hadrotarsinae Thorell, 1881	1 1	Genus Species	Taxom
Subfamily	Latrodectinae Petrunkevitch, 1928	1 5	Genus 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