![]() ![]() There are other species of the genus Loxosceles native to the southwestern part of the United States, including California, which may resemble the brown recluse, but interactions between humans and the recluse species in California and the region are rare because those species native ranges lie outside of dense human populations. ĭespite rumors to the contrary, the brown recluse spider has not established itself in California or anywhere outside its native range. In the southern states, it is native from central Texas to western Georgia and north to Kentucky. The documented range of this species lies roughly south of a line from southeastern Nebraska through southern Iowa, Illinois, and Indiana to southwestern Ohio. Description Ī large brown recluse compared to a US penny (diameter 0.75 inches or 19 millimetres These spiders usually have markings on the dorsal side of their cephalothorax, with a black line coming from it that looks like a violin with the neck of the violin pointing to the rear of the spider, resulting in the nicknames fiddleback spider, brown fiddler, or violin spider. The cephalothorax and abdomen are not necessarily the same color. While typically light to medium brown, they range in color from whitish to dark brown or blackish gray. The brown recluse is one of three spiders in North America with medically significant venom, the others being the black widow and the Chilean recluse.īrown recluse spiders are usually between 6 and 20 millimetres (0.24 and 0.79 in), but may grow larger. Similar to those of other recluse spiders, their bites sometimes require medical attention. ![]() The brown recluse ( Loxosceles reclusa), Sicariidae (formerly placed in a family "Loxoscelidae") is a recluse spider with necrotic venom. Loxosceles reclusus orthographic variant. ![]()
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