3 Ways To Kill Spider Eggs - WikiHow

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Terms of Use wikiHow is where trusted research and expert knowledge come together. Learn why people trust wikiHow How to Kill Spider Eggs PDF download Download Article A simple guide to safely and effectively get rid of spider eggs Co-authored by Joshua Bloom

Last Updated: May 28, 2025 Approved

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  • Ruling out Venomous Species
    • |
  • Using a Vacuum Cleaner
    • |
  • Using an Oil-Based Pesticide
    • |
  • Video
    • |
  • Expert Q&A
    • |
  • Tips
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This article was co-authored by Joshua Bloom. Joshua Bloom is a Pest Control Specialist and the Vice President of Operations of Standard Pest Management, a pest control company based in New York City. He has over 20 years of experience in the pest control industry and specializes in commercial and large facility pest control management. Standard Pest Control also specializes in ant, bed bug, cockroach, fly, and rodent control. Joshua is licensed by the NYSDEC (New York State Department of Environmental Conservation) for termite control. There are 10 references cited in this article, which can be found at the bottom of the page. wikiHow marks an article as reader-approved once it receives enough positive feedback. In this case, 100% of readers who voted found the article helpful, earning it our reader-approved status. This article has been viewed 188,279 times.

Most of the time, it’s easy to deal with spider eggs before they become a problem. Start by trying to identify the spider species. While most spiders are harmless, you should look for characteristics of venomous spiders to stay on the safe side. If you’re dealing with a venomous species or major infestation, it’s wise to call in a professional. Usually, vacuuming up spiders and their egg sacs is the easiest and most effective solution. You could also spray a pesticide directly onto spiders and egg sacs. Just make sure your product is oil-based, as water-based pesticides are ineffective against egg sacs.

Steps

Method 1 Method 1 of 3:

Ruling out Venomous Species

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  1. Step 1 Identify the spider... 1 Identify the spider and egg sacs to rule out a venomous species. Almost all spiders are harmless, but there are a few species with bites that require medical attention. If possible, check the egg sacs and any nearby spiders for characteristics of venomous species. Consider calling in a professional to deal with venomous spiders.
    • The various black widow species are distinguished by the red markings, usually in the shape of an hourglass, on their abdomen’s underside. They spin funnel-shaped cobwebs, and their egg sacs are beige to yellow, smooth, round, and 1 to 1.25 centimetres (0.39 to 0.49 in) in diameter.[1]
    • Brown widows are venomous, but not as aggressive as black widows. The hourglass-shaped markings under their abdomen can be yellow or orange, and they have dark bands on their legs. Their egg sacs are also beige to yellow, but are covered with little silk spikes.[2]
    • Brown recluse spiders have long bodies and slender legs. They are distinguished by a dark, violin-shaped mark on their back, and unlike most spiders, they only have 6 eyes.[3] Their webs are flat, patternless, and sheet-like, and their egg sacs are silky, somewhat rough and irregularly shaped, and average 1.5 centimetres (0.59 in) in diameter.[4]
  2. Step 2 Have a professional deal with an infestation. 2 Have a professional deal with an infestation. It’s wise to call in a professional if you have a major infestation on your hands, such as a cellar with spiders and egg sacs at every turn. Among the venomous species, brown recluse spiders are particularly difficult to control.[5]
    • Brown recluse spiders can go months without food or water. Since they’re hunting spiders, they wander, hide, and are fast. Spiders that wait in their webs for prey are easier to control.
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  3. Step 3 Wear protective clothing if you deal with a venomous species yourself. 3 Wear protective clothing if you deal with a venomous species yourself. You’ll need to protect yourself if you don’t feel like hiring a professional just to deal with an egg sac or two. Before heading into battle, put on a pair of work gloves and wear long sleeves and pants.
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Method 2 Method 2 of 3:

Using a Vacuum Cleaner

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  1. Step 1 Vacuum up spiders, webs, and egg sacs with a long attachment. 1 Vacuum up spiders, webs, and egg sacs with a long attachment. In most cases, your vacuum cleaner is your best line of defense against spiders and their egg sacs. If the egg sac is in a vacuum-accessible spot, use an attachment to suck it up along with any nearby spiders.[6]
    • You can also use a duster to remove any webbing and eggs.[7]
  2. Step 2 Empty the vacuum bag outdoors. 2 Empty the vacuum bag outdoors. Take your vacuum outside to remove the bag. If it’s disposable, just seal it and throw it in a lidded outdoor trash container. If the chamber’s non-disposable, carefully empty it into a trash bag, seal the bag, and toss it an outdoor garbage bin.
    • Spiders are fragile, so vacuuming one up will easily kill it. However, the egg sac offers a little more protection, so eggs or spiderlings might survive.
  3. Step 3 Freeze the bag if you’re dealing with a venomous species. 3 Freeze the bag if you’re dealing with a venomous species. You might want to take extra precautions if you’re dealing with venomous spiders. If possible, stick the vacuum bag in a freezer chest or cooler for several hours before you throw it in the garbage.
    • Give your freezer chest or cooler a good cleaning when you’re finished.
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Method 3 Method 3 of 3:

Using an Oil-Based Pesticide

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  1. Step 1 Purchase an oil-based aerosol pesticide instead of a water-based product. 1 Purchase an oil-based aerosol pesticide instead of a water-based product. Pesticide might be the way to go if the egg sac isn’t in a vacuum-accessible spot, if you don’t have a vacuum, or if you just don’t want to deal with lugging around the vacuum. Look online or at your home improvement store for a oil or petroleum-based product.[8]
    • Since egg sacs are water repellent, water-based pesticides are ineffective.
    • Go for a direct aerosol, or spray, product. Foggers are also ineffective against spiders.
  2. Step 2 Follow safety precautions when using potentially dangerous chemicals. 2 Follow safety precautions when using potentially dangerous chemicals. Stay on the safe side and wear gloves, long sleeves, and a breathing mask. If you have pets, check your product’s safety warnings for information about keeping animals away from treated areas.[9]
  3. Step 3 Spray spiders and egg sacs directly. 3 Spray spiders and egg sacs directly. Spray the affected areas according to your product’s instructions. Even after using a pesticide, it’s best to sweep or vacuum the treated area.[10]
    • Oil-based products are highly effective egg killers, but you don’t want to take any chances. In addition, if you just leave a web intact, it might trap insects and attract other spiders.
  4. Step 4 Put down sticky traps if you’re dealing with hunting spiders. 4 Put down sticky traps if you’re dealing with hunting spiders. Sticky traps are basically pieces of cardboard covered with adhesive. If you’ve seen hunting spiders that run around on the floor, such as wolf or brown recluse spiders, place sticky traps along walls, behind furniture, and at potential entry points, like near cellar or garage doors.[11]
    • Pesticides are more effective against web-weavers than hunting spiders, which can just run away from chemical spray.
    • If you’ve sprayed an egg sac but the mother spider scurried away, you might have another egg sac on your hands sooner rather than later. Most spiders only need to mate once in their life, but can produce up to 5 egg sacs.
  5. Step 5 Consider having an exterminator put down a chemical barrier. 5 Consider having an exterminator put down a chemical barrier. If you continue to have problems, a pesticide barrier around your home could be your best solution. If you’re dealing with a hunting species, you or the exterminator should also put down sticky traps.[12]
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Expert Q&A

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  • Question How can I remove spiders? Joshua Bloom Joshua Bloom Pest Control Specialist Joshua Bloom is a Pest Control Specialist and the Vice President of Operations of Standard Pest Management, a pest control company based in New York City. He has over 20 years of experience in the pest control industry and specializes in commercial and large facility pest control management. Standard Pest Control also specializes in ant, bed bug, cockroach, fly, and rodent control. Joshua is licensed by the NYSDEC (New York State Department of Environmental Conservation) for termite control. Joshua Bloom Joshua Bloom Pest Control Specialist Expert Answer Spiders are nature's pest control—they're natural predators of other insects. To get rid of them, eliminate the conditions that are attracting other insects, like moisture around your home. Thanks! We're glad this was helpful. Thank you for your feedback. If wikiHow has helped you, please consider a small contribution to support us in helping more readers like you. We’re committed to providing the world with free how-to resources, and even $1 helps us in our mission. Support wikiHow Yes No Not Helpful 10 Helpful 5
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Tips

  • Consider letting the spiders be, unless you're sure they're venomous. Spiders help control other insects that might be more of a nuisance, like flies and mosquitoes.[13] Thanks Helpful 0 Not Helpful 0
  • Spiders are predators, so to get rid of them, try getting rid of the conditions that are attracting other insects, like moisture.[14] Thanks Helpful 0 Not Helpful 0
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References

  1. ↑ http://entnemdept.ufl.edu/creatures/urban/spiders/black_widow_spider.htm
  2. ↑ http://cisr.ucr.edu/identifying_brown_widow_spiders.html
  3. ↑ http://www.idph.state.il.us/envhealth/pcreclusespiders.htm
  4. ↑ https://citybugs.tamu.edu/brown-recluse-egg-w-arrow/
  5. ↑ https://citybugs.tamu.edu/factsheets/biting-stinging/others/ent-3003/
  6. ↑ https://www.terminix.com/spider-control/how-to-get-rid-of-spiders/
  7. ↑ Joshua Bloom. Pest Control Specialist. Personal interview. 8 May 2020.
  8. ↑ https://www.ncbi.nlm.nih.gov/pubmed/26530954
  9. ↑ https://www.terminix.com/spider-control/how-to-get-rid-of-spiders/
More References (5)
  1. ↑ http://pestcontrolcanada.com/spiders/
  2. ↑ http://pestcontrolcanada.com/spiders/
  3. ↑ http://www.idph.state.il.us/envhealth/pcspiders.htm
  4. ↑ Joshua Bloom. Pest Control Specialist. Personal interview. 8 May 2020.
  5. ↑ Joshua Bloom. Pest Control Specialist. Personal interview. 8 May 2020.

About This Article

Joshua Bloom Co-authored by: Joshua Bloom Pest Control Specialist This article was co-authored by Joshua Bloom. Joshua Bloom is a Pest Control Specialist and the Vice President of Operations of Standard Pest Management, a pest control company based in New York City. He has over 20 years of experience in the pest control industry and specializes in commercial and large facility pest control management. Standard Pest Control also specializes in ant, bed bug, cockroach, fly, and rodent control. Joshua is licensed by the NYSDEC (New York State Department of Environmental Conservation) for termite control. This article has been viewed 188,279 times. 1 votes - 100% Co-authors: 15 Updated: May 28, 2025 Views: 188,279 Categories: Featured Articles | Spider Control Article SummaryX

It’s easy to get rid of spider eggs using a vacuum cleaner. Use the long attachment on the vacuum cleaner and aim it at the spider eggs and any nearby spiders. Once you’ve removed all of the spider eggs, empty the vacuum bag into a trash bag outside and seal the trash bag tightly. You can also kill spider eggs using an oil-based pesticide. Spray the spiders and the eggs directly with the pesticide. Make sure to follow any safety instructions specified on the packaging such as wearing gloves or a breathing mask. If the spider infestation is very large, contact an exterminator to deal with the infestation professionally. For more information about killing spider eggs, like how to identify a poisonous species, read on! Did this summary help you?YesNo

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Reader Success Stories

  • Mia Kellu

    Mia Kellu

    Nov 4, 2018

    "I am absolutely terrified of spiders, big and little. I found a spider in my house and my mum promised me she got..." more
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Did this article help you?

Yes No Advertisement Cookies make wikiHow better. By continuing to use our site, you agree to our cookie policy. Joshua Bloom Co-authored by: Joshua Bloom Pest Control Specialist Co-authors: 15 Updated: May 28, 2025 Views: 188,279 100% of readers found this article helpful. 1 votes - 100% Click a star to add your vote Mia Kellu

Mia Kellu

Nov 4, 2018

"I am absolutely terrified of spiders, big and little. I found a spider in my house and my mum promised me she got..." more Anonymous

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"We have some spider egg sacs in the garage. Now I can be rid of them without harming other spiders that help get..." more Anonymous

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