LYCOS RETRIEVER 
Spider: Brown Recluse Spider
built 299 days ago
Spider traps are most effective at reducing Brown Recluse populations from these locations your home. By setting traps, it can be determined whether or not a home has Brown Recluse spiders.
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Spider experts across the state agree that the true brown recluse spider does NOT live in California, but is native to Kansas, Texas, Oklahoma and Mississippi. There are some related species found in California. The Loxosceles laeta, imported from South America, has been found in eastern Los Angeles County. The Loxosceles deserta is found in the Mojave and Sonoran deserts, the foothills of the Central Valley up to Merced and Fresno counties, but not in Northern California.
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A Brown Recluse Spider is placed in the same jar as a the infamous Black Widow. At first, they do not fight at all and seem content to live together with the common goal of getting out of the jar. After one week, a small beetle was placed in the jar for food. 3 days later, the Black Widow and the beetle are both dead. The Brown Recluse spider is still alive, but with only 4 of its 8 legs. In lab conditions, Brown Recluses have lived for several months on only 3 legs--hunting and feeding as normal.
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Named for its habit of hiding in dark corners, the brown recluse spider (Loxosceles reclusa) is ... known as the violin spider or fiddleback spider because of a violin-shaped marking. The brown recluse spider is about a half-inch long (including legs) and is a solid light brown color. The violin marking is configured with the base of the violin beginning at the eyes and the neck of the violin pointing toward the "waist." The violin marking is difficult to see clearly. Two other features can help identify the brown recluse: it has six eyes rather than the typical eight and the tail-end segment has no markings. If you see a brown spider with markings on the tail end, it cannot be a brown recluse spider.
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It is important to note that in May, 2002, American College of Emergency Physicians contained an article about new methods for detecting brown recluse spider venom. This is important because accurately diagnosing a brown recluse bite definitely impacts treatment. As per the article, one of the most famous misdiagnoses occurred in New York with a 7-month old who contacted cutaneous anthrax, but who was initially diagnosed with a brown recluse spider bite. In a study at the University if Michigan by a team of emergency medicine investigators found early evidence that invasive biopsies are not necessary and, in fact, the Loxosceles ELISA assay was able to find brown recluse venom in hair samples. However, testing must occur at least 7 days after the initial envenomation. Since the vast majority of spider bite diagnoses, specifically brown recluse spider bites, are difficult to diagnose since the spider is not brought in, this would be a beneficial test, to ascertain the etiology of the skin lesion.1
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Relatively few spiders are able to pierce the human skin, but the Brown Recluse spider is one of them. Brown Recluse spiders are non-aggressive. They typically hunt at night and most people are bitten by them through accidental contact while putting on clothes, rolling over them in bed at night, or coming into contact with areas where they prefer to dwell. Brown Recluse spiders generally bite when trapped between the skin and another surface such as bed sheets. The bite frequently goes unnoticed until the serious after-effects begin to settle in. The spiders are active in temperatures ranging from 45o F to 110o F but bites can occur at any time of the year in a heated home where there is a constant temperature. Click here for information on how to avoid being bitten by a Brown Recluse spider or learn about spider traps.
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Brown Recluse Spider