Brown recluse spiders have six eyes. They're paired in what are known as diads groups of two and arranged on the front and sides of the spider's head. Other spider species might have eight eyes, or six eyes arranged in two triads groups of three.
You can't be sure it is a brown recluse based only on the eyes, but if the eyes aren't in the proper pattern, then it's definitely not a brown recluse. There are two more characteristics necessary for this to be a Loxosceles :. The one feature most commonly noted in descriptions of the brown recluse is the violin-shaped mark on its back. Not all brown recluses have the classic violin mark. Even if it's there, you might not be able to clearly see it. Furthermore, there are spiders that also have the violin marking on their backs that are not brown recluses.
Brown recluse spiders are difficult to get rid of, largely because of their tendency to hide in dark areas. Crevices, corners, and wall-floor junctures, especially behind clutter and storage areas, make for ideal hiding places.
The best way to avoid an infestation of brown recluse spiders is to seal up the places in your home where they are likely to enter. Strategies include:. Glue traps can catch the spiders, but it's best to call a professional exterminator who can use appropriate pesticides, which are more effective. Antihistamines, colchicine, dapsone, and corticosteroids are medications used to relieve symptoms. Antivenom, consisting of antibodies that neutralize the venom, can prevent large skin ulcers if administered within a few hours.
Call an exterminator. If you think you have been bitten by a brown recluse spider, apply ice, elevate the affected area, and seek medical attention immediately. Try to capture the spider so an expert can determine if it is actually a brown recluse, or another type of spider. Sign up for our Health Tip of the Day newsletter, and receive daily tips that will help you live your healthiest life. University of Kentucky. Brown recluse spider.
Illinois Department of Public Health. Brown recluse and black widow spiders. Poisonous spiders: Bites, symptoms, and treatment; An educational review. Emerg Tehran. Updated June 30, Vetter, RS. Brown recluse and other recluse spiders. Updated November Your Privacy Rights. To change or withdraw your consent choices for VerywellHealth. At any time, you can update your settings through the "EU Privacy" link at the bottom of any page.
Question: What's the difference between a cellar spider and a brown recluse spider? Answer: The typical cellar spider Pholcus phalangioides has very long legs, a long slender abdomen, and usually hangs in disorganized webs.
They like to make their webs in corners of cellars, basements and garages. They spend their entire lives indoors. Some people call this spider a "daddy long-legs. The cellar spider exhibits a bit of trivia here an unusual behavior in that it vibrates in a circular fashion when the web is disturbed.
The male of the species, another bit of trivia, will also vibrate when it is ready to mate, signaling his intentions to the female.
The cellar spider uses its venom to kill prey. The venom, however, is not a problem for humans. The brown recluse spider Loxosceles reclusa , also known as a fiddleback spider, violin spider or brown fiddler, is a venomous arachnid of medical importance. When full grown, and with legs extended, it is about the size of a quarter coin. Brown recluse spiders spend most of the time hiding in dark, secluded places, hence the name "recluse.
Brown recluse spiders are nearly uniformly pale brown to light brown. Their legs are not banded and not especially ''hairy. Bites from this spider are not common, and often skin lesions such as MERSA, staph, fungal issues, etc.
This spider is not aggressive, and often bites result from external pressure on the spider by a body pressing the spider against a rigid surface. Not all bites result in necrotic lesions, but some may, so it is best to seek medical attention for any suspected bite. If you are able to, take the spider with you to the doctor's office or clinic. Nobody wants to see spiders around their homes. The issue is, why are they there?
They are predators, so an abundant food source must be available, like insects. Almost all spiders have eight eyes, but Brown recluse spiders only have six. These eyes are arranged in three pairs of two. The pair in the center is slightly lower. Show it to your doctor or pest expert. These hairs are small and difficult to see, making them easy to differentiate from spines. Recluse hair is short and not used to ensnare prey like spined spiders. If your spider possesses each of these characteristics, it might be a Brown recluse.
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