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How To Get Rid of Spiders
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While most spiders are absolutely harmless to humans, if you’re like most people, you don’t want to share your home with them. We’ll identify the spider species you might need to worry about and then cover some of the most common commercial and do-it-yourself methods for getting rid of spiders.
Of course, the easiest way to get rid of a spider infestation is to pick up the phone and call a top pest control brand. We’ll recommend our top choices and let you know when it’s time to call in the pros.
When to Get Rid of Spiders
Perhaps the best news about spiders is that very few are actually dangerous to humans. Of the many species of arachnids in the United States, only the black widow and the brown recluse have venom that can cause serious health problems. A few more may cause painful bites, but mostly, spiders are harmless to humans. In fact, they actually eat nuisance insects like mosquitoes, fleas, and flies. Additionally, a spider infestation won’t cause structural damage to a building.
That’s not to say you should welcome spiders into your home. A single egg sac can contain hundreds or thousands of spiders, so an infestation can occur and spread quickly. Ideally, spiders would stay outside and help keep your yard free of harmful pests. However, they do sometimes come indoors in search of food or shelter. When that happens, it’s time to start looking into how to get rid of them.
And, of course, if you suspect you may have brown recluses or black widows in or around your home, eradication is the best way to go.
How to Get Rid of Spiders Indoors
There are several effective methods of eliminating spiders from the inside of your home, as well as ways to keep them from returning.
Cleaning Up
The first method is the simplest: get rid of spiders and their webs with brooms or vacuums. Most spiders aren’t tough enough to live through the experience of being sucked up into a vacuum cleaner, and you can get rid of their webs at the same time. Of course, this will probably only be effective on its own if the infestation is small, but it’s a good first step.
Spider Traps
Unfortunately, fogger insecticides are usually ineffective against most spiders. Instead, spider traps, which contain chemicals that attract spiders and a sticky coating to keep them there, are the better choice. They’re generally flat sheets of heavy paper with no raised sides. Place these glue traps in out-of-the-way spots around your home, like in corners, by baseboards, and behind furniture.
Traps will kill the spiders that get stuck on them, but they won’t wipe out infestations that already live in hidden places. For this reason, traps are usually a better way to identify the type of spider you’re dealing with and the exact location of the infestation than a method of elimination. Additionally, take care laying out glue traps if you have pets or children in the home.
Indoor Insecticides
There are plenty of indoor insecticides that will kill spiders on contact. However, you need to pay close attention to the kind of insecticide you purchase and how you use it. If you purchase a spray that kills on contact, remember that it won’t take care of any spiders you don’t see.
Quick Tip
- Make sure that any insecticide you choose is safe for indoor use, and if you have children or pets in the house, that it won’t be harmful to them. Always follow the manufacturer’s directions for using the product.
There are also residual insecticides that allow you to put down a barrier around your home. Generally, you apply these pesticides around the baseboards and corners of your home, or anywhere else you suspect spiders may be living. Any spiders that walk across this barrier will be killed, though the chemicals may only remain effective for a short time. Again, check the packaging to determine how best to use these products and how long they’ll last.
For a less-toxic solution, sprinkle diatomaceous earth in thin layers in hard-to-reach places like cracks and corners, and around windows and baseboards. This silicate dust causes many household pests—including spiders—to dehydrate and die, but make sure not to use it near food preparation areas. It is also likely to take much longer to work than synthetic pesticides.
Spider Repellents
Repellents alone may not be enough to drive spiders out of your home, but they can help keep them out. Some of these repellents will use synthetic chemicals, so make sure they’re safe to use inside the home. Also ensure that any “natural” repellent is safe—just because something is found in nature doesn’t make it non-toxic.
If you look online, you’ll find dozens of recipes for home-made spider repellents. In fact, you’ll see claims that nearly every essential oil will repel all manner of bugs. There is very little evidence that these remedies are effective, but they are also inexpensive and unlikely to harm you. Always handle essential oils with care, since some can cause skin and respiratory irritation.
Natural Alternatives for Getting Rid of Spiders
In general, however, natural and homemade remedies are short-term solutions that need to be reapplied every two to three weeks to remain effective.
Indoor Prevention
Once you’ve eliminated or repelled the spider infestation from your home, you’ll want to make sure it doesn’t reoccur. The first step is sealing up any cracks or holes spiders may use to enter your home. Use caulk where appropriate around doors, windows, wires, cables, and faucets. Patch holes in door or window screens, and make sure your vents and chimney are covered with insect-proof screens, as well.
To help prevent spiders from sticking around, make sure you clean your home regularly, picking up clutter that may serve as hiding places. Vacuum thoroughly and often. Also ensure that you keep food in airtight containers and clean up crumbs and dirty dishes as soon as possible. While spiders don’t tend to feed on human food, the insects that spiders eat often do.
Finally, if you have a recurrent infestation, you could consider getting a pet cat, which may hunt and eat spiders.
How to Get Rid of Spiders Outdoors
Indoor prevention often goes hand-in-hand with outdoor spider removal and prevention. Remember, however, that many spiders play an important role in keeping other insect populations down, so don’t be overzealous with spider elimination unless it involves black widow or brown recluse spiders.
If you’re interested in how to get rid of other common pests, read the following guides:
- How to Get Rid of Cicadas
- How to Get Rid of Earwigs
- How to Get Rid of Moths
- How to Remove Mole Crickets
- How to Get Rid of Ladybugs
- How to Get Rid of Japanese Beetles
- How To Kill Ticks in Your Yard
- How to Get Rid of Stink Bugs
- How to Get Rid of Centipedes
- How to Get Rid of Brown Recluse Spiders
- How to Get Rid of Carpet Beetles
When to Call in the Pros
Spider infestations, particularly indoors, can be hard to treat on your own because female spiders and their egg sacs often remain hidden from view. If you try the above methods but you’re still struggling to get rid of spiders, you should call a professional for help. Pros have the training and equipment needed to root out infestations at the source. As such, pest control methods used by professionals tend to be more effective and longer-lasting than DIY remedies.
For your professional pest control needs, we recommend Terminix and Orkin. For a free quote, contact Terminix at 866-569-4035 or enter your ZIP code here. To find out how much an Orkin treatment will cost, call 877-868-1416 or fill out this simple form.
FAQ About Getting Rid of Spiders
How do I get rid of spiders in my bedroom?
To eliminate spiders in your bedroom, declutter to remove hiding spots and vacuum to remove cobwebs and spiders. After that, try spider repellents or natural deterrents to keep spiders away.
What kills spiders ASAP?
An indoor insecticide will kill spiders on contact—just pay close attention to the kind of insecticide you purchase and how you use it. Also, remember that sprays that kill on contact won’t take care of any spiders you don’t see.
How do I get rid of spiders permanently?
Indoors, you can clean up, use spider traps, and employ indoor insecticides to get rid of spiders. Outdoors is where spiders belong, but you can keep them away from your home by removing potential sources of shelter, such as shrubs and other vegetation, from your outside walls.
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