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Latrodectus hesperus, the western black widow spider or western widow, is a venomous spider species found in western regions of North America. The female's body is 14–16 mm (1/2 in) in length and is black, often with an hourglass -shaped red mark on the lower abdomen.
Western black widow spider facts, are they poisonous, do they bite, where do they live, pictures.
In North America, the black widows commonly known as southern (Latrodectus mactans), western (Latrodectus hesperus), and northern (Latrodectus variolus) are found in the United States, equally in western Mexico (Latrodectus occidentalis), as well as parts of southern Canada – particularly in the Okanagan Valley of British Columbia, as are the ...
North America is home to three main species of black widow spider: The western black widow (Latrodectus hesperus) enjoys the Pacific coast and arid deserts; the northern black widow (Latrodectus variolus) lives in the northern U.S. and southern Canada; and the southern black widow (Latrodectus mactans) thrives in the Sun Belt.
Caution: Anyone bitten by a western black widow spider should receive prompt and proper medical treatment. While the black widow is considered the most venomous spider in North America, death from a black widow spider bite is highly unlikely.
Latrodectus hesperus, the western black widow spider or western widow, is a venomous spider species found in western regions of North America. The female's body is 14–16 mm (1/2 in) in length and is black, often with an hourglass-shaped red mark on the lower abdomen.
Western black widows are like most arachnids in that they feed primarily on insects. Because of sticky substances in the silk of a web, black widows are able to catch their prey. The web is made of coarse silk.
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Latrodectus hesperus, the Western black widow spider is one of the few medically significant venomous spiders in the United States. As its common name suggests, it can be found in the Western States of the US as well as in Canada.
The female Western Black Widow (Latrodectus hesperus) is the most well known of the widow spiders with its shiny black abdomen and red hourglass on its underside. It builds a messy web, often near the ground, under overhangs, ledges, and benches, and likes to dwell in barns and garages.