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Chilean recluse
Loxosceles laeta
-33.4397, -70.5978
Field Notes
Description:
The Chilean recluse is one of the larger species of recluse spiders, generally ranging from 8–40 mm in size (including legs). Like most recluses, it is brown and usually has markings on the dorsal side of its thorax, 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 nickname "fiddleback spider" or "violin spider" in English-speaking areas. Coloring varies from light tan to brown and the violin marking may not be visible. Since the "violin pattern" is not diagnostic, it is far more important, for purposes of identification, to examine the eyes. Most spiders have eight eyes, but recluse spiders have 6 eyes arranged in pairs (dyads) with one median pair and 2 lateral pairs.
Habitat:
The Chilean recluse spider is native to South America (it is common in Chile, and can be found throughout South America), and can now be found worldwide, including in North and Central America, Finland, and Australia. The spider is known to have established itself in the Los Angeles area, and infestations have been reported in Vancouver, British Columbia, Cambridge, Massachusetts, and Florida.[1][2]
Like other recluse spiders, the Chilean recluse builds irregular webs that frequently include a shelter consisting of disorderly threads. Unlike most web weavers, they leave these webs at night to hunt. People get bitten when they unintentionally squeeze them in clothing and bedding. These spiders frequently build their webs in woodpiles and sheds, closets, garages, and other places that are dry and generally undisturbed. The spider frequently is found in human dwellings. The spiders can last a long time without food or water,[3] a fact that encourages their worldwide spread.
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