Species list, Checklist of Subfamily Latrodectinae for Middlesex County (Massachusetts, 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 Subfamily Latrodectinae Petrunkevitch, 1928
and region Middlesex County (Massachusetts, USA)

Class	Arachnida Lamarck, 1801 Arachnids	62 220 340	Families Genera Species	Taxom
Subclass	Micrura Ehrenberg, 1831	51 203 317	Families Genera Species	Taxom
Infraclass	Megoperculata Börner, 1902	28 176 297	Families Genera Species	Taxom
Order	Araneae Clerck, 1757 Spider, Spiders, True Spiders	28 176 297	Families Genera Species	Taxom
Suborder	Araneomorphae Smith, 1902 True Spiders	26 172 287	Families Genera Species	Taxom
Infraorder	Araneomorphi Smith, 1902	26 172 287	Families Genera Species	Taxom
Superfamily	Araneoidea Latreille, 1806	6 81 136	Families Genera Species	Taxom
Family	Theridiidae Sundevall, 1833 Cobweb And Widow Spiders, Cobweb spider, Cobweb spiders	19 27	Genera Species	Taxom
Subfamily	Latrodectinae Petrunkevitch, 1928	3 6	Genera Species	Taxom

Genera for Middlesex County (Massachusetts)
3 Genera with 6 Species

Crustulina Menge, 1861		1	Species	Taxom
Latrodectus Walckenaer, 1837	Black widow spider	2	Species	Taxom
Steatoda Sundevall, 1802	False black widows	3	Species	Taxom

Species list for Middlesex County (Massachusetts)
6 Species

Crustulina sticta (O. P.-Cambridge, 1861)	⇒ Crustulina guttata Wider, 1834
Latrodectus bishopi Kaston, 1938	Red widow
Latrodectus variolus (Walckenaer, 1837)	⇒ Latrodectus hesperus Chamberlin &..., 1935
Steatoda borealis Nicholas Mar..., 1850	Boreal Combfoot
Steatoda grossa C. L. Koch, 1838	Brown house spider
Steatoda triangulosa Walckenaer, 1802	Triangulate bud spider