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

Class	Arachnida Lamarck, 1801 Arachnids	26 70 81	Families Genera Species	Taxom
Subclass	Micrura Ehrenberg, 1831	23 65 76	Families Genera Species	Taxom
Infraclass	Megoperculata Börner, 1902	19 61 74	Families Genera Species	Taxom
Order	Araneae Clerck, 1757 Spider, Spiders, True Spiders	19 61 74	Families Genera Species	Taxom
Suborder	Araneomorphae Smith, 1902 True Spiders	18 60 71	Families Genera Species	Taxom
Infraorder	Araneomorphi Smith, 1902	18 60 71	Families Genera Species	Taxom
Superfamily	Araneoidea Latreille, 1806	4 30 34	Families Genera Species	Taxom
Family	Theridiidae Sundevall, 1833 Cobweb And Widow Spiders, Cobweb spider, Cobweb spiders	5 6	Genera Species	Taxom

Genera for Knox County (Maine)
5 Genera with 6 Species

Euryopis Menge, 1850		2	Species	Taxom
Robertus O. P.-Cambridge, 1886		1	Species	Taxom
Steatoda Sundevall, 1850	False black widows	1	Species	Taxom
Theridion Walckenaer, 1882	Tangle-Web Spiders	1	Species	Taxom
Thymoites Keyserling, 1882		1	Species	Taxom

Species list for Knox County (Maine)
6 Species

Euryopis argentea Emerton, 1882
Euryopis funebris Hentz, 1850
Robertus riparius Eugen von Ke..., 1886
Steatoda borealis Nicholas Mar..., 1850	Boreal Combfoot
Theridion differens (James Henry ..., 1882)	⇒ Theridion glaucescens Lawrence Becker, 1879
Thymoites unimaculatus James Henry ..., 1882

Subnodes of Theridiidae with occurrences in Knox County (Maine)

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