Nobody wants to share their space with spiders. These creepy crawlers always seem to be coming out of nowhere, and they can send chills up your spine. If you're only frightened of them or exhausted from using rolled-up magazines as your tool of choice, adding a high-quality spider killer to your insecticides can be just what you need.
Best spider killers use chemicals or natural substances to destroy or repel spiders and function for months after application. Spraying your foundation will keep spiders and other creeping insects from setting up a shop, leaving you with a bug-free home and peace of mind.
Here are the best insecticides for spiders you can buy in 2025:
- Best Overall: Black Flag 11027 Spider Insecticide
- Runner Up: Hot Shot 96780 Ant Spider Insecticide
- Best Value: TERRO T2302 Spider Insecticide
- Premium Choice: Mighty Mint 860000087537 Spider Insecticide
- Best Spray: Harris HSK-24 Spider Insecticide
- Best Upgrade Pick: WET & FORGET Revenge Spider Insecticide
| 6 Best Insecticides for Spiders | ||
|---|---|---|
Best Overall | Black Flag 11027 Spider Insecticide | |
Runner Up | Hot Shot 96780 Ant Spider Insecticide | |
Best Value | TERRO T2302 Spider Insecticide | |
Premium Choice | Mighty Mint 860000087537 Spider Insecticide | |
Best Spray | Harris HSK-24 Spider Insecticide | |
Best Upgrade Pick | WET & FORGET Revenge Spider Insecticide | |
Best Overall: Black Flag 11027 Spider Insecticide
- Fast knockdown
- Long-lasting effect
- Powerful components
- Affordable price
- Not Eco-friendly
- Strong smell
Black Flag 11027 Spider Insecticide is the true deal when it comes to DIY pest control. An incredibly strong spray paralyzes and destroys spiders of all sizes. This includes hard-to-kill species, such as black widows, brown recluses, and wolf spiders. Spraying it in your home will protect you from these creepiest creeps for up to 16 weeks. Black Flag's aerosol spray may be released from five feet out.
The only downside to the killer of the Black Flag is the spray pattern. It comes out in a stream instead of a mist or a haze, which may make it hard to put a wide barrier around the foundation of your house.
| Black Flag 11027 Spider Insecticide Specifications | |
|---|---|
Product Dimensions | 10.88 x 8.25 x 10.44 inches |
Active Components | PR allethrin Lambda-Cyhalothrin Other ingredients |
Item Weight | 15.41 lbs |
Color | Black |
All you need is to go closer to the spiders’ nest and spray everything around.
Runner Up: Hot Shot 96780 Ant Spider Insecticide
- Powerful components
- Kills various species of spiders
- Offers long-lasting effect
- Easy to use
- Contains chemicals and must be kept away from children
Hot Shot 96780 Ant Spider Insecticide is great for treating spiders — both inside and out. This kills spiders (as well as bees and roaches) in a few seconds. Aerosol can make it easy to cover a lot of soil quickly and kills for up to 16 weeks, which is a long time for a water-based spray. You should provide long-term performance without staining traces in oil-based sprays.
The Hot Shot aerosol spray has the opposite spray design of our best overall formula. The Hot Shot spray pattern is too wide and fog-like for long-range assaults on one or two bugs. You 're going to have to lean in to get close to this spray to be efficient, which could be unpleasant for someone with a fear of bugs
| Hot Shot 96780 Ant Spider Insecticide Specifications | |
|---|---|
Product Dimensions | 2.78 x 2.78 x 10.13 inches |
Active Components | PR allethrin Lambda-Cyhalothrin Other ingredients |
Item Weight | 1 lbs |
Color | Black |
This spray will protect your home, both indoors and outdoors, from pesky bugs.
Best Value: TERRO T2302 Spider Insecticide
- High potent formula
- Quick knockdown
- Non-staining
- No accessories for multiple applications
- Toxic for kids
The T2302 Spider Insecticide Aerosol Spray by TERRO kills various types of these pests, from hobo spiders to brown recluses and black widows. It is even successful against scorpions, rats, cockroaches, and even bed bugs. This spray includes potent ingredients inside, which destroy arachnids instantly. You can use it close to or directly on the spider's nest. If you don't know where the nest is, just spray the insecticide close to the spot where you saw spiders.
This spray can be used both indoors and outdoors. It has a long-lasting efficient. This drug comes in a lightweight spray bottle of aerosol, which ensure fast use.
| TERRO T2302 Spider Insecticide Specifications | |
|---|---|
Product Dimensions | 2.5 x 2.5 x 9.5 inches |
Active Components | Pyrethrin’s (0.05%), Deltamethrin 0.02 %) Other ingredients (99.93%) |
Item Weight | 4.8 Oz |
Color | Orange |
The TERRO spray has to be reapplied after four weeks. Which means it's not going to last as long as other sprays on our chart.
Premium Choice: Mighty Mint 860000087537 Spider Insecticide
- Safety for both human and pet
- Extra concentrated for long-lasting protection
- Natural ingredients
- Powerful essential oil
- Expensive
When you are searching for a nature, safer method to repel spiders and insects, find Mighty Mint Bug and Pest Control. This extremely concentrated formula uses essential oil of peppermint to repel spiders and other insects, including ants and cockroaches. It's suitable for indoor and outdoor use, although it's still absolutely safe for pets and babies. Spray it around the exterior of your house or some room within your house that you'd want to be safe from scary creeps.
This spray is only effective for two to three days, you may end up pumping a lot of peppermint to keep your home bug-free. This may become expensive, so you should reuse the bottle and fill it with your own spider-repelling peppermint recipe.
| Mighty Mint 860000087537 Spider Insecticide Specifications | |
|---|---|
Product Dimensions | 7.2 x 3.8 x 3.6 inches |
Active Components | Peppermint Oil |
Item Weight | 1.2lbs |
Color | White |
If you look for safety product, and money isn’t a big deal. This item must be taken to protect your accommodation.
Best Spray: Harris HSK-24 Spider Insecticide
- Ideal for residential use
- Non-staining and odorless
- Works on a wide range of insects
- Slightly delayed effect
If you're interested in managing your curtains, carpets, or furniture to help reduce the spider population in your house, this is a spider killer for you. Harris Spider Killer Liquid Mist is not staining. It's good for spraying curtains and carpets, and it even operates on firm surfaces. Only spray the area that you would like to treat and allow to dry. It's safe to use inside and outside your house.
Something to bear in mind is that this product is a medication, not a touch killer, so the spray has to cure until it's successful in destroying bugs. It's safe for children and pets until it's warm.
| Harris HSK-24 Spider Insecticide Specifications | |
|---|---|
Product Dimensions | 4.8 x 2.8 x 11.1 inches |
Active Components | Deltamethrin formula |
Item Weight | 2.25 lbs |
Color | Yellow |
I'm not a huge fan of non-adjustable nozzles, but I can't argue with the outcome of the test.
Best Upgrade Pick: WET & FORGET Revenge Spider Insecticide
- Ideal for outdoor use
- Long residual control effect
- Kills on contact
- Toxic for humans and pets
If you're determined to keep spiders out of your place, then Wet & Forget 's Miss Muffet's Revenge Spider Insecticide is your option. This half gallon tank has a spray size of up to 12 feet. It's good for spraying areas around your house where spiders are apt to hang out. It operates for up to 12 months, and one test a year will be enough to prevent your home from spiders.
One problem you may experience with these bottles is leaking. Make sure to store it in an upright position to avoid leaky messes and wasted. Also, this outdoor product is not intended for home use.
| WET & FORGET Revenge Spider Insecticide Specifications | |
|---|---|
Product Dimensions | 9.9 x 7.8 x 3.8 inches |
Active Components | Bifenthrin * Cis Isomers (97%) Trans Isomers 3% maximum. |
Item Weight | 4.8 lbs |
Material | Plastic |
This formula is toxic and may be harmful to your family and your pets even months after application.
How To Choose The Best Insecticide for Spiders?
Pre – Purchase Guide
Chemical Free
Mostly, insect killers or mosquito killers are only dried additives marketed under the form of repellents. These chemical packs can be harmful to the house, and the toxic smell that comes from them can cause a great deal of discomfort to anyone who comes into contact with them. Be sure that the spider killer you 're searching for is free of toxins or harmful compounds. Their use is non-inflammable and the smell they emit is not harmful to humans. It can allow you to use it everywhere in your home without needing to fear whether it falls in touch with flames, humans or babies.
Safety to use
Spider killers present on the market can be effective at producing the best outcomes when used on spiders, but they are also found to be toxic to humans. The poisonous gas produced by them induces acute difficulty in breathing and triggers nausea. It is best to testify to the safety of spider killers in the house and to check the health of the people. There are brands that deal with safe products to repel or kill spiders and protect people's health while using them. If you use this scent, it doesn't sound harsh on your body because it doesn't bother you at all.
Certification
A product that is used to kill insects is most likely a medicine, drug or inflammatory liquid that is openly sold on the market. Companies must register with the FDA (Food and Drugs Association), i.e. a government organization, in order to be able to certify their use and sell the product safely on the market. This certification ensures that tests are carried out by the government on the product and that they are found to be used without causing any damage to the customers. Please check for approval on the product mark before you make a purchase.
Natural
Natural repellents and spider killers perform well for the household, because they preserve the health of house through the use of natural ingredients. These natural spider killers help to achieve the efficiency of killing spiders with the help of natural ingredients such as essential oils, drugs and other non-toxic substances that are not only good for the home but also take care of the surface. As the preparation is a big part of the herbals or compounds usually contained in the house – they are the most appropriate to achieve positive results in no time.
Which Brands Make The Best Insecticide for Spiders?
Black Flag
Black Flag is the leading market of insecticides in the United States. Established in 1883, Black Flag produces a variety of products designed to kill and control insects, including ants, cockroaches, spiders, flies, yellowjackets, wasps, hornets and scorpions.
Terro
TERRO ® Ant Killer is one of the first items to be made for liquid baiting and is
still the gold standard today. This is how our control company became so common. Since then, the business has grown to offer a variety of proven anti-and pest control solutions, including liquid and baits, aerosol sprays, perimeter granules and dust products.
Conclusion
With the right repellent poison, you'll be able to repel (and potentially kill) these spiders. The items listed above are some of the most effective ones to get rid of these insect problems. Make sure to compare your choices depending on your requirements and desires, make a sound choice, and ultimately kill spiders in and around your house.
