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

Class	Arachnida Lamarck, 1801 Arachnids	17 23 23	Families Genera Species	Taxom
Subclass	Micrura Ehrenberg, 1831	15 21 20	Families Genera Species	Taxom
Infraclass	Megoperculata Börner, 1902	12 18 19	Families Genera Species	Taxom
Order	Araneae Clerck, 1757 Spider, Spiders, True Spiders	12 18 19	Families Genera Species	Taxom
Suborder	Araneomorphae Smith, 1902 True Spiders	12 18 19	Families Genera Species	Taxom
Infraorder	Araneomorphi Smith, 1902	12 18 19	Families Genera Species	Taxom
Superfamily	Araneoidea Latreille, 1806	3 8 8	Families Genera Species	Taxom
Family	Theridiidae Sundevall, 1833 Cobweb And Widow Spiders, Cobweb spider, Cobweb spiders	4 3	Genera Species	Taxom

Genera for Reserve (Allegheny County)
4 Genera with 3 Species

Achaearanea Strand, 1929		0	Species	Taxom
Dipoena Thorell, 1882		1	Species	Taxom
Theridion Walckenaer, 1879	Tangle-Web Spiders	1	Species	Taxom
Theridula Emerton, 1954		1	Species	Taxom

Species list for Reserve (Allegheny County)
3 Species

Dipoena nigra (James Henry ..., 1882)	⇒ Theridula nigerrima Alexander Pe..., 1911
Theridion glaucescens Lawrence Becker, 1879
Theridula emertoni Herbert Walt..., 1954	Emerton'S Bitubercled Cobweaver

Subnodes of Theridiidae with occurrences in Reserve (Allegheny County)

Subfamily	Hadrotarsinae Thorell, 1881	1 1	Genus Species	Taxom
Subfamily	Theridiinae Sundevall, 1833	3 2	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