Species list, Checklist of Family Theridiidae (Cobweb And Widow Spiders) for Piatt County (Central Illinois, Illinois, 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 Piatt County (Central Illinois, Illinois, USA)

Class	Arachnida Lamarck, 1801 Arachnids	30 62 74	Families Genera Species	Taxom
Subclass	Micrura Ehrenberg, 1831	25 56 66	Families Genera Species	Taxom
Infraclass	Megoperculata Börner, 1902	18 48 59	Families Genera Species	Taxom
Order	Araneae Clerck, 1757 Spider, Spiders, True Spiders	18 48 59	Families Genera Species	Taxom
Suborder	Araneomorphae Smith, 1902 True Spiders	17 47 57	Families Genera Species	Taxom
Infraorder	Araneomorphi Smith, 1902	17 47 57	Families Genera Species	Taxom
Superfamily	Araneoidea Latreille, 1806	4 25 33	Families Genera Species	Taxom
Family	Theridiidae Sundevall, 1833 Cobweb And Widow Spiders, Cobweb spider, Cobweb spiders	3 4	Genera Species	Taxom

Genera for Piatt County
3 Genera with 4 Species

Latrodectus Walckenaer, 1775	Black widow spider	1	Species	Taxom
Platnickina Kocak & Kemal, 1882		1	Species	Taxom
Robertus O. P.-Cambridge, 1886		2	Species	Taxom

Species list for Piatt County
4 Species

Latrodectus mactans (Fabricius, 1775)	⇒ Latrodectus tredecimguttatus Rossi, 1790
Platnickina punctosparsa James Henry ..., 1882
Robertus fuscus James Henry ..., 1894
Robertus riparius Eugen von Ke..., 1886

Subnodes of Theridiidae with occurrences in Piatt County

Subfamily	Latrodectinae Petrunkevitch, 1928	1 1	Genus Species	Taxom
Subfamily	Pholcommatinae Simon, 1894	1 2	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