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

Class	Arachnida Lamarck, 1801 Arachnids	26 52 58	Families Genera Species	Taxom
Subclass	Micrura Ehrenberg, 1831	23 49 54	Families Genera Species	Taxom
Infraclass	Megoperculata Börner, 1902	14 39 47	Families Genera Species	Taxom
Order	Araneae Clerck, 1757 Spider, Spiders, True Spiders	14 39 47	Families Genera Species	Taxom
Suborder	Araneomorphae Smith, 1902 True Spiders	14 39 47	Families Genera Species	Taxom
Infraorder	Araneomorphi Smith, 1902	14 39 47	Families Genera Species	Taxom
Superfamily	Araneoidea Latreille, 1806	4 20 25	Families Genera Species	Taxom
Family	Theridiidae Sundevall, 1833 Cobweb And Widow Spiders, Cobweb spider, Cobweb spiders	5 5	Genera Species	Taxom

Genera for Clarion County
5 Genera with 5 Species

Achaearanea Strand, 1929		0	Species	Taxom
Dipoena Thorell, 1882		1	Species	Taxom
Enoplognatha Pavesi, 1758		1	Species	Taxom
Latrodectus Walckenaer, 1775	Black widow spider	1	Species	Taxom
Steatoda Sundevall, 1838	False black widows	2	Species	Taxom

Species list for Clarion County
5 Species

Dipoena nigra (James Henry ..., 1882)	⇒ Theridula nigerrima Alexander Pe..., 1911
Enoplognatha ovata (Clerck, 1758)	⇒ Enoplognatha latimana Hippa & Oksala, 1982
Latrodectus mactans (Fabricius, 1775)	⇒ Latrodectus tredecimguttatus Rossi, 1790
Steatoda borealis Nicholas Mar..., 1850	Boreal Combfoot
Steatoda grossa C. L. Koch, 1838	Brown house spider

Subnodes of Theridiidae with occurrences in Clarion County

Subfamily	Hadrotarsinae Thorell, 1881	1 1	Genus Species	Taxom
Subfamily	Latrodectinae Petrunkevitch, 1928	2 3	Genera Species	Taxom
Subfamily	Pholcommatinae Simon, 1894	1 1	Genus Species	Taxom
Subfamily	Theridiinae Sundevall, 1833	1 0	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