How to Kill Spiders Around the Exterior of a House

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Although a great majority of people are frightened of spiders, they do have redemptive qualities. They are "voracious hunters," according to Planet Green. They eat garden pests that attack your plants, and hunt after bees. If you must kill spiders around the exterior of your house, use an insecticide and do not get too close to the creatures, since you may not know if the spider is poisonous.

Things You'll Need

  • Work gloves
  • Protective goggles
  • Vacuum cleaner (battery-operated)
  • Trash bag
  • Protective clothing
  • Face mask
  • Spray insecticide
  • Cover your hands in work gloves and put protective goggles over your eyes.

  • Turn on your battery-operated vacuum cleaner with the hose attachment secured to the vacuum cleaner body.

  • Place the hose near any spiders you see on walls or around the foundation of your house. The spider will be sucked into the hose and then into the vacuum cleaner bag. The trauma of this process will kill the spider.

  • Take the bag out of your vacuum cleaner as soon as you are finished. Place it in a trash bag, close the trash bag, and stomp on it to crush any spider that is still alive.

  • Put on protective clothing, such as coveralls, a long-sleeved shirt and boots. Keep your goggles and work gloves on. You want to cover as much of your body as possible to prepare to apply insecticides around the exterior of your home.

  • Put on a face mask as an extra precaution to protect your respiratory system from chemicals.

  • Apply insecticide around the base of your house. You can spray it or sprinkle a powder or pellet form at door thresholds, entrances to the garage and crawl space and vents. The University of Kentucky recommends carbaryl, chlorpyrifos, bendiocarb or synthetic pyrethroids such as cyfluthrin, cypermethrin and lambda-cyhalothrin.

Tips & Warnings

  • To prevent spiders from settling around the outside of your house, clean the outside of your home regularly. Knock down spider webs or use a vacuum cleaner to suck up webs and egg sacs. Throw away your vacuum bag afterward. Remove clutter around the exterior of your house because spiders enjoy living in quiet, dark spaces. For example, remove firewood and building materials from around the outside of your house. Trim vines, shrubs and trees. Also, install a sodium vapor light bulbs outside your house, according to the University of Kentucky, because its light repels spiders.

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References

  • Photo Credit Jupiterimages/Photos.com/Getty Images
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