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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. This "hourglass" mark can be red, yellow, and on rare occasions, white.
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 brown button spiders are lighter in color than the black button spiders and have a red hourglass marking under the abdomen (not above) with exception of the L. umbukwane which has both red markings above and below the opisthosoma (abdomen); there are three brown button species:
How quickly venomous flying spiders are invading the U.S. From 2014 to 2022, Joro spiders spread between 50 and 80 miles from the location where they were originally spotted. At around 10 miles ...
Wolf spider. What they look like: With over 200 species of wolf spiders crawling around, it’s no wonder that they range in size and appearance.“The largest species can be up to an inch and a ...
Joro spider size. Joro spiders can get pretty big. “The Joro spider is known for its large size compared to other U.S. spider species,” Fredericks says.
The recluse spiders (Loxosceles (/ l ɒ k ˈ s ɒ s ɪ l iː z /), also known as brown spiders, fiddle-backs, violin spiders, and reapers, is a genus of spiders that was first described by R. T. Lowe in 1832. [4] They are venomous spiders known for their bite, which sometimes produces a characteristic set of symptoms known as loxoscelism.
Spiders are indiscriminate predators, according to Coyle, so they will eat pretty much anything that ends up in their webs from the invasive spotted lanternfly to a rare insect.