Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Home
» Guide »
Arthropods (Arthropoda)
»
Chelicerates (Chelicerata)
»
Arachnids (Arachnida)
»
Spiders (Araneae)
»
True Spiders (Araneomorphae)
»
Entelegynae
»
Cobweb Spiders (Theridiidae)
»
Widow Spiders (Latrodectus)
Genus
Latrodectus
- Widow Spiders
Arthropods (Arthropoda)
»
Chelicerates (Chelicerata)
»
Arachnids (Arachnida)
»
Spiders (Araneae)
»
True Spiders (Araneomorphae)
»
Entelegynae
»
Cobweb Spiders (Theridiidae)
»
Widow Spiders (Latrodectus)
Comparative Biology of American Black Widow Spiders
By B. J. Kaston
San Diego Soc. Nat. Hist. Trans. 16(3): 33-82, 1970
PDF with detailed descriptions, drawings & a few photos.
Link to
http://archive.org
.
Contributed by
Lynette Elliott
on 13 September, 2012 - 8:15am
Arthropods (Arthropoda)
»
Chelicerates (Chelicerata)
»
Arachnids (Arachnida)
»
Spiders (Araneae)
»
True Spiders (Araneomorphae)
»
Entelegynae
»
Cobweb Spiders (Theridiidae)
American spiders of the genus Theridion (Araneae, Theridiidae)
By Levi, H. W.
Bulletin of the Museum of Comparative Zoology 129: 481-589, 1963
https://wsc.nmbe.ch/reference/3567
Contributed by
Laura P.
on 8 October, 2021 - 9:51pm
Arthropods (Arthropoda)
»
Chelicerates (Chelicerata)
»
Arachnids (Arachnida)
»
Spiders (Araneae)
»
True Spiders (Araneomorphae)
»
Entelegynae
»
Cobweb Spiders (Theridiidae)
The North American spider genera Paratheridula, Tekellina, Pholcomma and Archerius (Araneae: Theridiidae)
By Levi, H. W.
Transactions of the American Microscopical Society 76(2): 105-115, 1957
https://wsc.nmbe.ch/reference/3240
Contributed by
Laura P.
on 8 October, 2021 - 7:10pm
Arthropods (Arthropoda)
»
Chelicerates (Chelicerata)
»
Arachnids (Arachnida)
»
Spiders (Araneae)
»
True Spiders (Araneomorphae)
»
Entelegynae
»
Cobweb Spiders (Theridiidae)
A revision of the New World eximius lineage of Anelosimus
By Agnarsson, I.
Zoological Journal of the Linnean Society 146(4): 453-593, 2006
https://wsc.nmbe.ch/reference/10152
Contributed by
Laura P.
on 30 September, 2021 - 7:55pm
Arthropods (Arthropoda)
»
Chelicerates (Chelicerata)
»
Arachnids (Arachnida)
»
Spiders (Araneae)
»
True Spiders (Araneomorphae)
»
Entelegynae
»
Cobweb Spiders (Theridiidae)
Spiders of the genus Euryopis from North and Central America (Araneae, Theridiidae)
By Levi, H. W.
American Museum Novitates 1666: 1-48, 1954
http://www.wsc.nmbe.ch/reference/3103
Contributed by
Laura P.
on 17 October, 2017 - 9:34am
Arthropods (Arthropoda)
»
Chelicerates (Chelicerata)
»
Arachnids (Arachnida)
»
Spiders (Araneae)
»
True Spiders (Araneomorphae)
»
Entelegynae
»
Cobweb Spiders (Theridiidae)
New spiders from Texas
By Willis J. Gertsch & L. Irby Davis
American Museum Novitates 881: 1-21, 1936
Full Text
Contributed by
Mandy Howe
on 4 March, 2016 - 1:38am
Arthropods (Arthropoda)
»
Chelicerates (Chelicerata)
»
Arachnids (Arachnida)
»
Spiders (Araneae)
»
True Spiders (Araneomorphae)
»
Entelegynae
»
Cobweb Spiders (Theridiidae)
The spider genera Achaearanea, Theridion and Sphyrotinus from Mexico, Central America and the West Indies (Araneae, Theridiidae)
By Herbert W. Levi
Bulletin Museum of Comparative Zoology, Harvard 121: 57-163, 1959
Full Text
Contributed by
Mandy Howe
on 4 March, 2016 - 1:02am
Arthropods (Arthropoda)
»
Chelicerates (Chelicerata)
»
Arachnids (Arachnida)
»
Spiders (Araneae)
»
True Spiders (Araneomorphae)
»
Entelegynae
»
Cobweb Spiders (Theridiidae)
The spider genera Stemmops, Chrosiothes, and the new genus Cabello from America
By Herbert Levi
Psyche, Cambridge 71: 73-92, 1964
Full Text
Contributed by
Mandy Howe
on 15 February, 2016 - 3:59am