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Home » Guide » Arthropods (Arthropoda) » Chelicerates (Chelicerata) » Arachnids (Arachnida) » Spiders (Araneae) » True Spiders (Araneomorphae) » Entelegynae » Cobweb Spiders (Theridiidae) » Widow Spiders (Latrodectus) » Western Black Widow (Latrodectus hesperus) » Accidental Adventives (Latrodectus hesperus Accidental Adventives)

Accidental Adventives

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.

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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

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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

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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

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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

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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

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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

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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

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Contributed by Mandy Howe on 15 February, 2016 - 3:59am

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