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en.wikipedia.org/wiki/Latrodectus

Latrodectus is a genus of spiders in the family Theridiidae, most of which are commonly known ... Black widow spiders prefer to nest near the ground in dark and undisturbed areas, usually in small holes produced by animals, or around ...

www.orkin.com/other/spiders/black-widows

An important characteristic of the black widow spider is its comb foot. This row of strong, curved bristles is located upon the hind pair of legs and is used to pitch ...

www.nationalgeographic.com/animals/invertebrates/group/black-widow-spiders

Black widows are notorious spiders identified by the colored, ... Several species answer to the name, and they are found in temperate regions around the world.

www.livescience.com/51014-black-widow-spiders-misconceptions.html

May 29, 2015 ... Black widows often make headlines after they bite an unsuspecting ... build their large, tangled webs near grape plants, Scott told Live Science.

www.livescience.com/39919-black-widow-spiders.html

Oct 29, 2014 ... Black widows are spiders that are known for the females' unique ... Black widows are found in temperate regions throughout the world, ...

animalcorner.co.uk/animals/black-widow-spider

The Black Widow Spider is a large widow spider found throughout the world and ... Black Widow Spiders also have a small, usually red coloured dot near the ...

www.canadiangeographic.ca/article/animal-facts-black-widow-spider

Jul 27, 2006 ... Black widow spiders are found in the warm, dry parts of the world and prefer to spin their webs in dark, sheltered spots close to the ground.

bugguide.net/node/view/26421

Aug 1, 2005 ... Immature Northern Black Widow - Latrodectus variolus Black Widow - Latrodectus variolus - female male black widow? ... Genus Latrodectus (Widow Spiders) ... If the web is active (in use), the female will be in or very near the web. ... Printer Friendly Version · Terms of Use · Privacy Statement · Site Map

www.desertusa.com/insects/black-widow-spider.html

The black widow spider is considered the most venomous spider in North America. ... About 3,400 species of spiders in 64 families are found in North America.

ipm.ucanr.edu/PMG/PESTNOTES/pn74149.html

Mar 30, 2017 ... In California, it is a common desert spider that can survive very hot, dry conditions . However, black widows also can be found in mountainous ...