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The brown recluse spider displays autotomy as a defense mechanism against physical, predatory attack to a leg as well as to prevent predatory, venom injections from spreading to the rest of the body. [ 19 ] (p 57) "Once a leg is lost, a recluse spider does not regenerate a new one with subsequent molts ", [ 19 ] (p 57) unlike the huntsman ...
Females are about 9.5–19 millimeters (0.37–0.75 in) long, while males are somewhat smaller. The upper surface of the abdomen is brown and hairy. The legs display alternating light and dark brown bands. The undersurface of the abdomen is black, with two white spots.
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).
What they look like: Hobo spiders are tannish-brown and the top of the spider may look mottled, with darker and lighter spots, Potzler says. They look pretty hairy and have spiny hairs coming off ...
These spiders can grow to have a 3-inch leg spread and are generally earth-toned in color ranging from a light brown to reddish brown with a dark brown pattern running down the middle of their ...
The male widow spiders often exhibit various red or red and white markings on the dorsal surface (upper side) of the abdomen, ranging from a single stripe to bars or spots, and juveniles are often similar to the male pattern. Females of a few species are paler brown and some have no bright markings.
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.
Neoscona species are among the most common spiders in North America and are found throughout most parts of the world. [9] There are large variations in the dorsal patterns and coloration of the abdomen, even in a single species. Most have a light color with wavy edges along the mid-line, and darker swirls either side of that.