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How Do Spiders Get In The House?

February 2, 2021


common house spider in new jersey home

As is the case with other bugs and rodents, spiders in New Jersey are not a welcome addition in most homes. Unfortunately, it seems like there are an infinite number of ways arachnids can sneak inside. Sure, that’s a slight exaggeration but make no mistake, every crack, gap, or opening is an invitation to uninvited spiders. 

Types of spiders most commonly found in NJ homes

Before we take a closer look at potential entry points, let’s take a moment to identify our house-infesting culprits in Chatham, Freehold, and Hamilton as well as communities throughout the Garden State.  The most common types of spiders in New Jersey are common house spiders, jumping spiders, and wolf spiders

Spiders enter homes from the outside

In her collection Sonnets from the Portuguese, she published in 1850, Elizabeth Barrett Browning attempted to count the ways in which she loved a certain fellow. You know the lines.

“How do I love thee? Let me count the ways. 

I love thee to the depth and breadth and height

My soul can reach, when feeling out of sight…”

The conclusion many readers may… well conclude is that there was not a way to measure her love. As least not in an analytical or quantifiable manner.  In some ways, we can relate to Mrs. Browning. Yes, it’s a stretch (and please bear with us) but when it comes to possible entry point for spiders, the ways are too numerous to put a figure to.  We told you it was a stretch but Valentine’s Day is around the corner and naturally it’s reasonable to let our thoughts become a bit more fanciful.  But we digress! Let’s get back to the spiders and how they enter homes from the outside. 

Nuisance and potentially venomous spiders will enter homes (and other structures, for that matter) through any opening on the exterior.  If you’ve ever inspected your home from the foundation to the roof, you’ll realize that there is an abundance of access points. After all, a spider is not very big nor does it require much space to squeeze through. Common entry points include, but are not limited to:

  • House and garage doors that are not well-sealed
  • Tiny gaps in door and window frames
  • Tears in door and window screens
  • Gaps around pipes and other utilities that enter the house from the outside
  • Gaps from where the chimney has pulled away from the house
  • Openings around A/C units
  • Slipping through un-screened air vents or duct openings

Spiders enter homes on items

We’re going to leave famous poets behind for this section of the blog (you’re welcome) and dive right into the discussion of how spiders enter homes on items.  The items we’re going to talk about are quite varied and so it just makes sense to list them. 

  • Firewood 
  • Storage boxes from the garage or shed
  • Camping equipment
  • Grocery store purchases
  • Yard sale or flea market finds
  • Plants or plant pots brought in from outside
  • Children’s toy left outside for a day or two then brought in
  • Newspapers tossed in the driveway by the paperboy

Spiders are already inside the home

Gasp! It’s true, your home may already be a haven to spiders. What’s more spiders will breed indoors unlike stink bugs and a few other pests. Worse news, according to sciencing.com, house spiders have the ability to lay hundreds of eggs at time. If you do the math, you’ll quickly see that several hundred eggs can lead to a lot of spiders roaming inside your home. And if there are other bugs present for them to eat, they’ll have no desire to move out.  


Tips on how to prevent spider infestations in your home

Since most spider problems start from outside, it makes sense to offer prevention tips that make the exterior of your home less attractive to spiders and to stop these arachnids from entering by closing all openings.  You’ll also notice, we’ve included a few spider prevention tips that address areas indoors. 

Shut off or replace lights

Light attracts several insects. Insects attract spiders that prey on them. Leaving lights on at night can lead to problems with both. Now, if for security or other reasons, you leave lights on, we recommend using yellow LED bulbs. Swapping out CFL, incandescent, or halogen lighting for the less bug attracting LED ones can make a big difference. 

Store trash correctly

Open or overflowing trash bins beside the house will draw a crowd- specifically flies and other garbage eating insects. This will eventually lead to spiders stopping by for a meal of their own. Keeping trash bins closed and ensuring cardboard boxes and other garbage does not accumulate beside them will help deter pests and the spiders that love them. 

Trim back trees and shrubs

When you look at trees and shrubs on your property, you’re likely appreciating the landscape. When we look at them, we see super highways to your home. Tree limbs that breach the gap between the tree and the roof and shrubs that are planted so that they touch the side of your house make it easy for traveling bugs to pop into your abode. By trimming both back or even moving them so that there is a zone of protection, if you will, between them and the structure, you’ll make your home harder to access. 

Seal doors and windows

In addition to letting in bugs, doors and windows that are not sealed properly can lead to other problems including rodents, drafts, and energy loss. To resolve these potential issues, we recommend replacing weather stripping, fixing torn screens, and performing other general maintenance that closes gaps and cracks around these potential access points. 

Remove cobwebs

Not only are spider webs unsightly, they can be home to one spider and/or many, many baby spiders. Using a handheld vacuum, we recommend clearing away the webs inside that are around windows and doors, in corners of the room, inside closets and storage areas. Wherever you see spider webs indoors, vacuum them up. Here’s the clencher though- DO NOT throw the bag away inside your house. Take it out immediately. 

If you’ve noticed webs in porch eaves and awnings, under the deck or elsewhere on the exterior of your home, take a swipe at them with your broom. You may need a ladder to reach some.

Check for moisture

Moisture is a huge attractant for a variety of pests including termites, carpenter ants, and silverfish. If your basement is damp, if you have leaking appliances, or have faulty piping your home is likely to be a magnet for pests. That’s why we always advise homeowners to address moisture issues inside their homes and outside if necessary. 

What to do if you already have spiders in the house

As we mentioned above, the source of your spider problem may be spiders already inside your home. If that’s the case, what should you do? Pest control for the win! At Arrow Pest Control, we help New Jersey homeowners get rid of spiders already active inside their homes AND provide ongoing service that stops new spider activity. Our Home Protection Program is a year-round service that focuses on eliminating spider and other pest populations that have taken up residence and then continues to keep the home pest-free by providing exterior treatments (interior if needed) at a regular frequency to make sure insects and rodents don’t have the opportunity to get inside. Learn more about our HPP plan below or visit our home pest control services page to compare plans and pricing! 

 

Recommended Spider Control Program: Home Protection Program
Starting at $35/month

tech spraying foundation of nj home for ants and other pestsService consists of the elimination of your current pest or rodent problem, complemented by both interior and exterior year-round protection of your home, which is inclusive of three seasonal visits. The program covers your entire property including attics, mailboxes, playsets, sheds, and fences.

Pests targeted with Arrow’s Home Protection Plan services include ants (excluding carpenter ants, pharaoh ants and acrobatic), bees, boxelder bugs, carpenter bees, carpet beetles, centipedes, cicada killers, clover mites, crickets, digger bees, earwigs, fabric & paper pests, fleas (inside only), ground beetles, hornets, mice, pillbugs, millipedes, rats, roaches, silverfish, sowbugs, spiders, springtails, stored product pests, and wasp.

*If you have a pool house that requires service, pricing would increase based upon the size of the structure.

 

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