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Latrodectus revivensis, [1] [2] also known as the desert widow, is a species of venomous spider belonging to the Latrodectus genus and located in the Negev desert and the Arava valley (Arabah). [3] [4] [5] As with most members of its genus, it contains venom that can cause latrodectism [6] through bites in various organisms.
Latrodectus is a broadly distributed genus of spiders with several species that are commonly known as the true widows.This group is composed of those often loosely called black widow spiders, brown widow spiders, and similar spiders.
The spider lacks the bright red markings found on other widow spiders such as the black widow, the redback spider, or L. tredecimguttatus. Other than colouration, the white widow is similar in appearance to other spiders of the genus. When it comes to mating, widow spiders are a good example of high investment of males in a single mating.
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. This "hourglass" mark can be red, yellow, and on rare occasions, white.
In the L.A. Basin, there’s a good chance of peeping a venomous brown widow, the most commonly observed spider in the area on community science app iNaturalist. Black widows, once L.A.’s ruling ...
Latrodectus geometricus, commonly known as the brown widow, [2] [3] brown button spider, grey widow, brown black widow, [3] house button spider or geometric button spider, is one of the widow spiders in the genus Latrodectus. As such, it is a 'cousin' to the more infamous Latrodectus mactans (black widow).
Latrodectus mactans, known as southern black widow or simply black widow, and the shoe-button spider, [citation needed] is a venomous species of spider in the genus Latrodectus. The females are well known for their distinctive black and red coloring and for the fact that they will occasionally eat their mates after reproduction.
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