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Males of this species are often mistaken for the notorious brown recluse spider, Loxosceles reclusa Gertsch and Mulaik, because of their color and general shape. Southern house spiders are not known to have a dangerous bite. However, two bite cases reportedly caused the victims pain and swelling for up to two days. Female southern house spiders are rarely seen, as they build radial webs around crevices, for which reason their family (Filistatidae) is called crevice weavers. Females seldom move except to capture prey caught in their webs.
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It can be difficult for homeowners to figure out what kind of spiders they have if they try to do it on their own. Plus, most homeowners understandably do not want to get close enough to these arachnids to figure out what kind of spiders they are. This species is common throughout Florida and much of the southern United States in human-populated areas.
House Spiders in California
Routine vacuuming can eliminate spiders over time by removing the food source. Periodic vacuuming along baseboards, under furniture, or other undisturbed areas near the floor of the home will remove webs, nests, and egg sacs. Firewood should be inspected for spiders or egg sacs before being brought into the house. In rare instances where spiders are numerous and constantly entering the house, you may wish to use an insecticide.
Preventing Infestations of Southern House Spiders
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If one injects venom, you may experience nausea, vomiting, and other symptoms, but you won’t be in any real danger. Instead, they use their front legs as antennae and hunt small insects. They have the necessary expertise and tools to identify and eradicate the infestation thoroughly. Additionally, they can provide guidance on preventive measures to ensure long-term spider control in your home.
The jumping spider is common near or around human dwellings and are known to be harmless. Their acrobatic nature makes most people feel fascinated with them, although some have reported that they were bitten by them. But, like most spiders, the jumping spider will only bite when threatened. Results of the bite may vary from the sensitivity of an individual. Those who were bitten may experience some swelling and itching at the site of the bite that may last for several days. The domestic human spider is common all over the world and not just in California.
Jumping Spider
The females lay around 200 eggs at a time inside of a silk-like egg sac. While female southern house spiders usually hang out in or around their web, the males wander about in search of females to mate with and for food. Both genders feed on common household insects, such as flies, beetles and cockroaches. House spider is a term for several Arachnida species typically found in homes.
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Male southern house spiders sometimes appear aggressive, but they do not bite unless trapped, and their mouthparts are too small to easily penetrate human skin. They do, however, have an unnerving tendency to crawl across anything in their path regardless of whether it is alive. This is not aggression; these spiders are simply nearly blind and cannot see larger animals.
Common synanthropic spiders in California
For effective spider control in Southern California, visit Orange County Spider Control. If you see a Yellow Sac Spider in your home, use care when handling them. If provoked, they will bite, and their venom is toxic to humans. You’ll often find harvestmen in sheds, garages, basements, and crawl spaces.
How to Identify Common House Spiders
The southern house spider is partial to spaces within the masonry of buildings; especially dark recesses of windowsills, shutters and overhangs. Under microscopic inspection, the silk of this web appears to be "woolly", an appearance created by the action of the calamistrum pulling silk from the cribellum. Rather, with Kukulcania hibernalis, the structure of the web itself is responsible for entangling prey. Due to its size and coloration, the southern house spider is often mistaken for the more dangerous brown recluse spider. However, the southern house spider does not have the iconic violin shaped pattern on its back like the brown recluse does.
Jumping spiders are usually found near windows and doors as they hunt for small insects to consume. It’s important to note that Southern House Spiders thrive in cluttered spaces. If you have unused rooms or areas in your home that are cluttered with boxes, old furniture, or piles of clothes, these spiders may find them to be perfect habitats. By keeping your home tidy and decluttered, you can minimize the potential hiding spots for these spiders and reduce their presence.
Like Wolf Spiders, the mother Cellar Spider carries her egg sac around with her, except that she carries it in her jaw rather than attached to her abdomen. Chances are, if you have a house, you have a cellar spider somewhere in the dark corners of your basements, attics, and cellars. The Western Black Widow is one of the few venomous spiders in California.
Also, the spider has a huge leg span of 1.1” (28 mm), making it appear larger. Like most kinds of spiders, the southern house spider has eight eyes, and they are all grouped together. However, the brown recluse is unique in that it has only six eyes, and their eyes are set in three rows of two eyes each. Presence of adult spiders, their immature spiderlings, egg sacs, and webs are signs of an infestation.
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