Updated: May 30, 2023

Spider infestations are a common problem in many houses, especially during the summer months. While spiders play an essential role in the ecosystem by controlling the population of insects, their presence indoors can be unsettling and even dangerous. Not only can they cause phobias and anxiety, but some species can also deliver painful bites that require medical attention. Therefore, it is crucial to understand how spider infestations spread and what measures can be taken to prevent them.

Common spider species found in homes

Before discussing the spread of spider infestations, it is essential to know the most common spider species found in homes. Some of the species usually found in households include:

  • House spiders: These are small brown spiders that build webs in corners and crevices.
  • Cellar spiders: These are long-legged spiders with delicate bodies. They usually build webs in dark places like basements and crawl spaces.
  • Wolf spiders: These are large, hairy spiders that hunt their prey instead of building webs. They are usually found on floors or walls.
  • Jumping spiders: These are small, colorful spiders that can jump several times their body length. They usually inhabit sunny areas like windowsills.

How do spider infestations spread?

Spider infestations can spread through multiple means, including:

1. Entry points

Spiders can enter homes through openings such as cracks, gaps, and holes. They often enter homes during the summer months when they are searching for food and mates. Therefore, sealing entry points such as doorways, window frames, and vents is essential in preventing spider infestations.

2. Cluttered spaces

Cluttered spaces like attics, basements, and storage areas provide a perfect hiding place for spiders. They often build their webs in these areas where they can easily catch prey. Therefore, decluttering these spaces regularly can help prevent spider infestations.

3. Outdoor vegetation

Outdoor vegetation such as trees, bushes, and tall grass can provide a bridge for spiders to enter homes. They often use these plants to create webs that stretch to the house’s exterior. Therefore, keeping outdoor vegetation trimmed and away from the house can help prevent spider infestations.

4. Other pests

Spiders feed on other insects, which means an infestation of other pests like flies, mosquitoes, and ants can attract spiders to homes. Therefore, preventing other pest infestations can also prevent spider infestations.

How to prevent spider infestations

Preventing spider infestations requires a combination of preventive measures that target entry points, hiding places, and food sources. Some of the measures that can be taken include:

1. Regular cleaning

Regular cleaning is essential in preventing spider infestations. Vacuuming floors, carpets, and furniture removes spiders’ eggs and webs that may have been laid in these areas. Moreover, wiping down surfaces with a damp cloth helps remove any spiders that may be hiding in corners or crevices.

2. Sealing entry points

Sealing entry points is an effective way of preventing spider infestations. Using caulk or weather stripping to seal gaps around windows, doors, and vents prevents spiders from entering homes.

3. Decluttering spaces

Decluttering spaces such as basements, attics, and storage areas removes hiding places for spiders. Moreover, removing piles of debris or stacked firewood from the house’s exterior prevents spiders from using them as bridges to enter homes.

4. Outdoor maintenance

Maintaining outdoor vegetation by trimming trees, bushes, and tall grass prevents spiders from using them to create webs that stretch to the house’s exterior.

5. Professional pest control

Professional pest control services can also be used to prevent spider infestations. Pest control experts can identify entry points, hiding places, and food sources for spiders and recommend measures to prevent their infestation.

Conclusion

Spider infestations can be prevented by understanding how they spread and taking preventive measures that target entry points, hiding places, and food sources. Regular cleaning, sealing entry points, decluttering spaces, maintaining outdoor vegetation, and professional pest control services are some of the measures that can be taken to prevent spider infestations. By following these measures, homeowners can ensure a spider-free home and avoid potential dangers associated with spider bites.