While widow spiders can create concern for many people, the chances of being bitten can be greatly reduced by knowing what to look for and by taking some simple steps for their control. Indeed, there are recorded instances of single buildings outside their recluse range where recluses were accidentally brought in through relocated items. As an added precaution, bags containing spiders and egg sacs can be placed in a chest freezer for several hours. Follow all directions, precautions and restrictions that are listed. This is true, by the way, for many other animals and insects, some of which you may wish would stay put where they are. Cases of widow bites occur when a spider is pressed against the skin of a person (when putting on clothes or shoes) or when a hand is reached into dark areas where the spider is present. After this time they emerge from the egg sac, molt and begin eating but remain in the nest area for several weeks. The male spider has various red or red and white marks on the upper part of the abdomen while the female does not have any bright markings. Eventually, spiderlings move away from the nest area by  “ballooning”: a silk line released by each spiderling into the wind and the spiderling is carried off. Find People; Brown Recluse Spider Map University of California, Riverside. Spot treatment with insecticidal dusts in cracks and crevices where spiders build their webs may also help with control. Males are much smaller than the female (1/2 to 3/4 inch long, with legs extended), do not live as long as the female, and have not been recorded to bite. Brown recluse spiders may live in the following locations: boxes, clothing, shoes, furniture, bedding, rubber tires and other dry, dark, warm locations. As with black widow spiders, brown widow spider control requires sanitation and elimination of nesting sites. In South Carolina, there are three widow spiders: the Southern black widow, the Northern black widow, and the brown widow. Use pesticides only according to the directions on the label. The brown widow’s range has been expanding northward and it has recently become established in parts of South Carolina. The Southern black widow is found throughout South Carolina. Young spiders known as spiderlings hatch in approximately 14 to 21 days but remain inside the egg sac for 4 days to one month. Description. This species is found in urban areas and may be encountered around the home including: under roof eves, under railings on porches, in abandoned … Brown Widow Spiders; Deadly Banana Spider ... or not; Publications; Internet Hoax; Contact; Quick Links. The Northern black widow is found in the mountains and the Piedmont of South Carolina. This map shows the general range of spiders of the Loxosceles genus in North America -- but due to climate change, the brown recluse range is expanding to the north. The brown widow looks similar to immatures of the western black widow spider, the latter of which has smaller black spots on the top of the diagonal abdominal stripes and more olive grey background coloration. Female brown recluse spiders can produce 4 to 5 egg sacs in a lifetime and can live in the same habitat throughout its lifespan.

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This species is found in urban areas and may be encountered around the home including: under roof eves, under railings on porches, in abandoned cars, under unused flowerpots, in piles of firewood, and under outdoor chairs. Areas with excess clutter should be eliminated, as this will discourage spiders from nesting. All recommendations are for South Carolina conditions and may not apply to other areas. The “hourglass” marking on the under surface of the abdomen is yellow to orange, and the legs have dark bands.
Due to its penchant for hiding in dark locations such as boxes, transportation of recluses can happen. The egg sac of the black widow, which is similar in color, has a smooth surface. After cleaning, the bag should immediately be removed, placed in a sealed plastic bag, and disposed of in outdoor trash bins. Enter a zip code below to view local branches. 844-514-3980. Brown widow spiders are gray to brown in color with white and black markings on the top surface of their bulbous abdomens. Regular inspections and routine cleaning (wearing gloves) of the areas the spiders have been previously found should occur in and around the home.

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