![]() Instead, while most spiders have eight eyes, recluse spiders have six eyes arranged in pairs (dyads) with one median pair and two lateral pairs. The violin pattern is not a definitive identifier, as other spiders can have similar markings (e.g. Description The brown recluse The brown recluse has three pairs of eyes, unlike most spiders. 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 toxic venom, the others being the black widow and the Chilean recluse.Ä«rown 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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