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Serving North Texas Since 1947

Dangerous Spiders In Texas: What Every Lewisville Homeowner Needs To Know

It is creepy to find a spider crawling around inside your Lewisville home. But there is nothing creepier than finding a poisonous spider. While all spiders have fangs and venom, there are only two medically important spiders in Texas. They are the black widow and the brown recluse. The more you know about these two spiders, the better. Fortunately, there isn't a lot you need to know. Here is a quick guide for these two dangerous spiders.

Spider Infestation

Of these two spiders, the brown recluse spider is the greatest threat for an infestation. Black widow spiders don't prefer to be inside. Brown recluse, on the other hand, are not only happy to stay in your home, they can create a population of thousands.

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Dangerous Spiders Are Reclusive

Black widows and brown recluses are equally reclusive. They prefer to be in areas of your home that are secluded. If you see one of these spiders in your home or on your property, take extra precaution when going into locations that might have these spiders.

Some places these spiders hide are:

  • In storage areas and boxes stored in these locations
  • In hollow containers or the voids of stored furniture
  • Under decks, porches, and patios
  • In basements and cellars
  • Within holes, recesses, and alcoves


These spiders tend to hunt for larger prey than other spiders. For this reason, you'll often find their webs low to the ground. Outside of your home, black widow spiders and brown recluse spiders will create webs in ground holes, the gaps in stone walls, in woodpiles, underneath brush, and under exterior structures. Black widows weave strong silk strands into somewhat tangled webs, but those threats aren't placed haphazardly. They work to capture the prey black widow spiders are looking to eat. Brown recluse spider webs are even more tangled, and they have a thin gossamer appearance.


Should you be concerned if one of these spiders bites you? It is wise to take action and seek medical attention, but you can remain calm. The threat is not nearly as great as the myths would have you believe. While certainly unpleasant, you aren't likely to die from a black widow bite, and a bite from a recluse is not likely to create a disfiguring wound. It is best, however, to err on the side of caution and have the bite checked out by your physician.

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Why Choose Adams Exterminating?

  • Trained Entomologists & Service Technicians
    Our team brings a deep understanding of insect biology and behavior to create targeted pest control strategies. We're equipped with the latest techniques and technologies to effectively eliminate pests.
  • Customized Plans for Every Budget
    Recognizing that each space is different, we customize pest control services for every home or business. Our approach involves targeted solutions, addressing specific needs for your environment.
  • Trusted in the Community Since 1947
    With a legacy dating back to 1947, our pest control company brings decades of experience with a proven track record to keep your space critter-free.
  • Locally Owned & Operated
    As a locally owned business with offices in both Denton and Lewisville, we are rooted in the community and dedicated to serving our neighbors with personalized service.

Bite Prevention

There are several ways you can prevent a bite from a dangerous spider. If you see a black widow or brown recluse spider, use the following tips to prevent bites.

  • Remove the skirts from your beds so these spiders can't climb up onto your bed.
  • Make sure bedding doesn't touch the floor. Like bed skirts, bedding can provide a pathway for these spiders.
  • Make your beds rather than leaving them unmade. These spiders might take advantage of anything that looks like a hole to hide in.
  • Turn your bedding down before you get into bed.
  • Shake shoes, boots, and other footwear before slipping your foot in.
  • Shake towels before drying off, and refrain from leaving the towel on the floor.
  • Shake clothing before wearing.
  • Wear gloves when working in the yard.
  • Use a flashlight and be cautious when getting under structures, such as decks and porches, or when going into storage rooms, attic spaces, and basements.
  • Be cautious when opening boxes that have been in storage.


Have questions? We are here to help. Still have questions or can't find the answer you need? Give us a call at 940-239-9786 today!

  • Do you offer any organic/green/low toxic treatments?

    We do offer “green” treatments because we understand that though the synthetic pesticides that we typically use are quite safe, some people for various valid reasons prefer a green approach to pest control. In addition to employing completely non-chemical measures such as structural and mechanical alterations (weep-hole exclusions, recommendations on door sweep replacement etc.) and glue traps or other monitoring devices, we have a number of natural and botanical insecticides that we can use to treat your home or business.

    We commonly use natural products such as boric acid, diatomaceous earth, and a number of different botanical products (pyrethrum, rosemary oil, cedar oil, etc.). These products can be very effective when used properly. One downside is that they usually don't last as long as synthetic pesticides, so we generally recommend a more frequent treatment cycle, such as monthly, when using these products. Just tell the person you speak with on the phone or the technician who services your property about your preference and we will be happy to accommodate you.

  • How many years have you been in business?
    We are a family owned, locally operated pest control company that has been in business since 1947. For over 75 years, our company has expanded its service area while continuing to provide exceptional customer service.
  • How do I get started?
    Contact us today for a free, no-obligation estimate! Regardless of your pest issue, contact us today to speak with one of our technicians. To make a plan, one of our licensed service technicians will come to your home or business and perform a thorough inspection of your property. Then, we will work with you to come up with a solution that meets your needs.
  • Are your services guaranteed?
    We pride ourselves in offering services that solve your pest control problems. Many of our treatments are backed with a service guarantee, so if the problem persists, we will be back to treat again at no extra charge. We plan to continue our trend the impeccable service which resulted in an A+ rating with the Better Business Bureau.

Spider Control

If you live in Lewisville and you're having issues with dangerous spiders, remember that the team at Adams Exterminating Company is always available to assist you with handling pest threats. Contact us today for an inspection.

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