What To Do If You Have a Spider Infestation

June 27, 2019


Spider infestations are not an uncommon occurrence in North Carolina, and they can cause trouble both indoors and outdoors. We see a broad range of different types of spiders in this area, from the essentially harmless to seriously venomous. Different breeds of spiders have different appearances and different levels of threat, which makes having a little bit of knowledge on the different kinds of spiders in the area and knowing what to do to treat them especially important. Let’s look at the scope of different spider breeds, and what you can do to address a spider infestation.

What Kind Of Spiders Do I Need To Worry About?

In North Carolina, the primary types of swarm spiders fall into two categories: venomous spiders and nuisance spiders.

Nuisance Spiders

As the name implies, this category of spider can be irritating and unnerving at first (and probably second and third) glance, but not dangerous; you certainly don’t want them in your home, but they also aren’t venomous. These spiders come in a number of breeds in western North Carolina, including:

  • Cellar Spiders- These crawlers are tan or yellow in color, have long legs, and are cylindrical in shape.
  • False Black Widow Spider- Brownish and color with a large abdomen, these spiders are (as the name implies) often mistaken for the venomous black widow; however, they lack the hourglass markings of a black widow, and while they do bite, they do not pose the threat a black widow does.
  • Giant House Spider- These spiders vary in color (orange, brown, or beige), and is known for its long legs--sometimes reaching as long as 4 inches. These spiders will bite, but are generally reluctant to do so: they tend to run away when frightened, not retaliate.
    Yellow Sac Spiders- Pale beige or yellow in color, yellow sac spiders are a smaller breed that like to bite--but their venom typically only have minimal effect.
  • Wolf spiders- Wolf spiders don’t spin webs, and instead opt to hunt their prey, not trap it.. They have two rather large, prominent eyes that distinguish them from other spider breeds, and are relatively large compared to other spider breeds in western North Carolina.

Venomous Spiders

Far less numerous, but far more dangerous, there are two types of very venomous spiders that are cause for major concern if you spot them in or around your home or business:

  • Brown Recluse- Brown recluse spiders don’t attack unless they feel threatened, but make no mistake--their bite often requires medical attention. Brown in color (as the name implies), these spiders also have violin shaped markings on their skin.
  • Black Widow- Infamous for being the most venomous spider in all of North America, black widows have hourglass shaped markings, and are black in color.

What Are the Signs and Causes Of a Spider Infestation?

Signs of a spider infestation are pretty straightforward, if you know where to look. Most spiders like to hide in dark places, so if you have a cellar or garage, those are the most likely locations find them in the home; spiders will also hide in gardens because of their shady environment and the wealth of insect prey. One surefire sign is spider-webs: if you notice a large amount of webs scattered about an area, there’s a good chance there are spiders occupying those webs, even if they aren’t immediately visible. Egg sacs, which are spider-sized, circular, structures built to carry hundreds of tiny spider eggs, are another sign that a swarm of spiders has decided that your space is a good place to breed.

Spider’s look for one key thing when choosing a home: food. If spiders have taken up residence in your home or business, there’s a good chance that you also have a problem with a different pest that spiders eat, be that mosquitoes, flies, or some other insect. They’ve decided on your space for a reason. Some spiders also are attracted to moisture (as are many other insects), which is why they are often found in parts of the house where moisture buildup is common, such as attics, basements, and gardens. Spiders will enter the house through cracks and crevasses, so if you have unsealed entry points and a food source, your home or business is susceptible to an arachnid invasion. 

I Have a Spider Infestation. Now What?

A-1 Pest control has a wealth of experience in eliminating pest infestations of all kinds, and spiders are no exception. With our year-round residential pest control plan, we can get rid of spiders and the pests that attract them, and make sure that they don’t come back. If a spider problem is hitting your business, we have a multi-step Integrated Pest Management (IPM) plan that includes consultation, solution planning and implementation, and monitoring, so that you can rest easy knowing once we eliminate any spider and spider-related pest problem, they’ll stay gone.




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