5 Best Black Widow Killer Review In 2022

Due to the abundance of these crawling and hidden arthropods, anyone searching for the best black widow killer is likely aware of their presence.

Although spiders are not insects, humans may nonetheless perceive them to be nuisances.

Humans are seldom targeted by them. As long as they are not being forced on the human skin by anything else, spiders prefer to run away from the issue.

Best Black Widow Killer – Overview:

Onslaught FastCap Spider and Scorpion Insecticide

Onslaught FastCap Spider and Scorpion Insecticide

  • Brand: MGK
  • Item Weight: 1.25 Pounds
  • Item Form: Gel
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TERRO T2302 Spider Killer Aerosol Spray

TERRO T2302 Spider Killer Aerosol Spray

  • Brand: Terro
  • Item Weight: 4.8 ounces
  • Product Dimensions: 2.5 x 2.5 x 9.5 inches
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Mighty Mint Organic Home Pest Control Spray

Mighty Mint Organic Home Pest Control Spray

  • Brand: Pure Origin
  • Item Weight: 1 pounds
  • Package Dimensions: 10.75 x 4.92 x 3.27 inches
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As a nice surprise, many who have tried them think they are superior to our expectations. This product is unrivaled in terms of quality.

The result is that this method allows you to choose the product that most closely matches your needs and tastes.

Best Black Widow Killer – Reviews:

1. Onslaught FastCap Spider and Scorpion Insecticide – Editor’s Choice

Onslaught FastCap Spider and Scorpion Insecticide

In a matter of seconds, this spider and scorpion-killing spray takes effect.

This fast-acting spider and scorpion insecticide from Onslaught comes in a handy, compact box. It works well on both spiders and scorpions.

There have been reports of this treatment working against cockroaches and yellow jackets, but I am unable to confirm this.

Onslaught rapid cap spider and scorpion pesticide is a cost-effective and simple-to-use mixture that kills scorpions, spiders, and the other insects indicated on the label quickly and effectively. Exponent Brand synergist is used in this one-of-a-kind composition. 

Insecticides such as Onslaught quick cap spider and scorpion may be used both inside and outdoors, including in food preparation areas (see label for complete list).

This product’s label specifies that it should only be used within a broadcast facility.

In addition to piperonyl butoxide and esfenvalerate, this insecticide also contains petroleum distillates. Each component has an incredible amount of power.

Using these weapons, arachnids may be wiped out in a couple of seconds. Do not allow children or pets to get access to this bottle. 

Repetition is not a restriction in this game. Put it in a place where it won’t be discovered by anybody else.


  • Contains powerful substances.
  • Immediate and quick response.
  • Anti-spider and anti-arachnid.
  • It is safe to use this spray in every room of the house.


  • Ensure that it’s out of the hands of children.


Once it has dried, it is safe for children and dogs since it leaves no residue or odor.

More than a year’s worth of use can be squeezed out of this tiny bottle. Using this method is less expensive and more effective than hiring exterminators.

2. TERRO T2302 Spider Killer Aerosol Spray – Best Premium

TERRO T2302 Spider Killer Aerosol Spray

The TERRO T2302 Spider Killer Aerosol Spray kills a broad range of spiders, including hobo spiders, brown recluse spiders, and black widow spiders.

Neither scorpions nor ants nor cockroaches nor even bed bugs have a chance in hell against this force of nature.

With the powerful chemicals included in this spray, arachnids are immediately eliminated.

You have the option of using it either close or directly on the spider’s nest, as you like. If you don’t know where the nest is, an insecticide may be sprayed over the area where you’ve spotted spiders, and they’ll die.

TERRO is well-known for its ant and spider insecticides. Customers may choose from a large variety of pest control goods from them. This spray may be used both inside and outdoors.

The long-term impacts may be anticipated. For convenience and mobility, the product is packed in an aerosol spray canister.

Terro’s long-lasting spider killer spray protects you against a wide range of spiders, including the deadly ‘Big 3’—black widow, hobo spider, and brown recluse—which are all dangerous. 


  • High-quality components.
  • Kills spiders from a variety of species/
  • Low-priced choice.


  • Since it contains chemicals, it is unsafe for children to come into touch with it.


Instant knockdown and long-lasting residual control are provided by TERRO Spider Killer, which has dual protection.

Ants, cockroaches, scorpions, ticks, silverfish, Asian lady beetles, and bedbugs are just a few of the creepy crawlies the spray kills in addition to spiders.

3. Mighty Mint Organic Home Pest Control Spray – Best Budget

Mighty Mint Organic Home Pest Control Spray

If you live in a household with children or pets, Organic Home Pest Control Spray from mighty mint is a safe option.

A sprayer is not included in the package and must be purchased separately. Many insects, including ants, mites, silverfish, cockroaches, mites, and spiders, are also killed by this material.

Peppermint oil from the United States and other natural bug-fighting components make up the refined mixture known as Mighty Mint.

There are no animal products in the formulation of Mighty Mint’s Insect & Pest Control.

All of the components are generated from plants such as soybeans and palm oil in addition to Northwest peppermint essential oil.

In addition to pest control companies, the company’s solutions are utilized by people who want to eradicate bugs without using dangerous chemicals.

It’s safe to use at home since it doesn’t include any harmful chemicals.

Besides eliminating spiders, this insecticide acts as a deterrent to other unwanted pests.

The creator promises to return your money if you’re not satisfied with the product within 60 days of purchase.


  • The simplicity of use.
  • Organic ingredients.
  • A long-lasting impact.
  • Family-friendly.


  • Toxic pesticides are more costly than non-toxic pesticides because of their toxicity.


While many pest control products are dangerous to use around your family and pets, Mighty Mint Insect & Pest Control is completely safe when applied according to package directions.

It’s safe to use this peppermint spray around the house since it doesn’t leave behind any toxic or destructive ingredients!

4. Black Flag Spider & Scorpion Killer Aerosol Spray – Best Value

Black Flag Spider & Scorpion Killer Aerosol Spray

This aerosol spray for spider and scorpion control is one of the most potent and long-lasting options on the market.

Helps rid the house or yard of poisonous spiders and scorpions using Black Flag’s aerosol spray. It takes just seconds to immobilize and kill these beasts.

Three of the most prevalent species of spiders in the United States, the wolf spider, brown recluse spider, and black widow, all benefit from the product.

A 5-foot-by-5-foot area may be simultaneously covered by it. There is nothing easier than approaching the spiders and dousing them with insect repellant.

Black Flag insecticides have been used by homeowners for more years than any other brand because of their fast-acting ingredients and their refusal to compromise. This paralyzes spiders and kills them rapidly when you need it most.

You may rely on Black Flag to get rid of pests both in and out of your house. According to folklore, it may also kill eggs. I recommend it for use on webs and nests made by spiders.

A money-back guarantee ensures that if the spray does not work, you will receive your money back. For 16 weeks, the spray provides a long-lasting effect.


  • A long-lasting impact.
  • High-quality components.
  • Low-priced choice.


  • This isn’t good for the planet.


Insects including cockroaches, ants, crickets, fleas, Brown Dog ticks, and other frequently mentioned pests may also be treated with this solution.

Spiders and their webs may be sprayed directly since their lengthy legs prevent their bodies from coming into touch with the treated surfaces.

5. Miss Muffet’s Revenge Spider Killer – Best Effectiveness

Miss Muffet’s Revenge Spider Killer

This product is an efficient spider killer when used in conjunction with the sprayer.

It has never been simpler to get rid of spiders. Spray the cobwebs today and brush them off the next day for a quick and easy clean-up.

It takes only one treatment to get rid of spiders and keep them out of your house for up to a year.

The precise sprayer included with Miss Muffet’s Revenge makes it easy to apply the spray without the need for an aerosol can. 

With its 12-foot spraying distance, this device is ideal for reaching high regions where unwanted spiders prefer to hide and develop a tangle of cobwebs. This spider killer makes it simple to rid your house of spiders.

You may use the insecticide Miss Muffet’s Revenge Spider Killer as soon as you obtain it. This solution is effective against both indoor and outdoor spiders.

Because of the powerful ingredients in the container, they are immediately killed. An effect lasting a year may be expected.


  • Cost-effective.
  • The most powerful components.
  • One-year-long effects.
  • A sprayer is attached.


  • Keep it away from kids.


The active component in the pesticide has no smell. The sprayer linked to this gadget makes it a breeze to operate. You don’t even need a ladder to get to the nest.

Best Black Widow Killer – Buyer’s Guide:

Best Black Widow Killer

Before you purchase the first spider killer product you see on the shelf of a department shop, be sure that the product you are purchasing is safe and effective.

The greatest spider killers on the market are plenty, but they aren’t all equal in their ability to help you get rid of the issue.

For the sake of the customer, several companies offer actual poisons marketed as insecticides or repellents.

The quality of usage and safety regulations are more important when purchasing a product for the home. 

Here are a few things to keep in mind while looking for the finest spider killer!

1. Toxic-Free:

In most cases, insecticides and mosquito repellents are nothing more than a collection of prepackaged chemicals.

These chemical-filled packages may be hazardous to your home’s environment, and the strong odor they emit can make you and everyone else who comes into touch with them feel uneasy. 

Don’t buy a spider killer that contains chemicals or other harmful components. Non-flammable and non-harmful to people, they may be used in a variety of ways. 

Use them in any room of the home without fear of them igniting, touching people, or harming your young family members.

2. Ingredients:

The components and chemicals in spider killers act in concert to kill spiders and prevent their eggs from hatching around your home.

Despite their effectiveness, several of these substances may be harmful to both people and animals. 

As a result, before purchasing a spider killer, double-check to make sure it includes only household-safe ingredients.

3. Application:

It’s also important to think about whether you want to kill spiders outdoors or inside your house when selecting the finest spider killer.

A few types of spider killers are designed specifically to be used outside, while others are better suited for use indoors. 

You may also be able to locate indoor and outdoor methods that effectively eliminate spiders.

4. Safety:

There are several spider killers on the market that kill spiders swiftly, but some of them may also include dangerous substances that might affect your health.

In order to avoid contact with your eyes or nose, you may use non-toxic or safe spider killers or take safety steps before using the spray or dust.

5. Expiry:

When purchasing spider killers, bear in mind the product’s expiration date, as you don’t want to purchase anything that will be worthless or ineffective in a matter of months. 

As a result, you won’t need to use all of the spider killers at once. The best spider killer is one with a long shelf life so that you can use it whenever the need arises.

6. Price:

A common misconception about spider-killing treatments is that they are more effective because they are more expensive.

You may easily locate a more cost-effective solution to rid your house of spiders if you review the product’s contents and application area.

What Attracts Black Widow Spiders?

Attracts Black Widow Spiders

Black widows are drawn to insect-infested homes because they feed on ants, flies, and other house-infested pests.

Hand protection is critical while moving objects out of basements, garages, and other storage facilities.

Always use gloves to protect your hands. Spider webs might be lurking in your shoes, so shake them thoroughly before putting them on.

Basements, crawlspaces, and attics are common gathering places for them. To attract black widows, a crowded space should be avoided at all costs.

Cluttered storage spaces tend to contain more of their favorite prey than clean, well-ventilated spaces, therefore this is why they’re more common.

Black Widow Prevention #Steps:

Eliminate any openings in the structure’s exterior that may allow spiders access.

Keep an eye out for spiders by inspecting the foundation, siding, and areas around utility lines and wires to see if there are any holes that need to be filled. 

Keeping your house free of insects (also known as spider prey) is easier when you seal up any openings that could allow them access.

Black widow spiders should always be on the lookout. Knowing what these spiders look like and keeping an eye out for their webs will help you avoid them if they show up on your property.

Avoid spider bites by always shaking out your clothes and shoes before wearing them. Before going to sleep, shake out your linens and blankets.

Stepping on a black widow may result in a poisonous bite, so be sure to wear shoes both inside and out.

You should always wear gloves when working outdoors or in your garage.

To reduce the number of locations where these arachnids might hide, brighten dark and undisturbed spaces.

Reducing the number of places where black widow spiders may hide around your house is as simple as clearing up heaps of brush and logs.

Apply pesticides to the perimeter of your property to prevent black widow spiders from becoming a nuisance.

Frequently Asked Questions:

Where Do Black Widows Hide?

Crevices and woodpiles are popular haunts for black widow spiders, who like the darkness and seclusion they provide.

As a general rule, black widows prefer secluded, poorly light regions of the house such as garages, basements, and closets.

What Do Black Widow Eggs Look Like?

They’re white, brown, or gray with a paper-like texture and a diameter of 12 to 15 millimeters, making them easy to see in the nest.

They might be round or pear-shaped. Spiderlings are born from hundreds of eggs in each egg sac.

Can a Baby Black Widow Kill You?

Do not hesitate to take your kid to the emergency department as soon as you believe they’ve been attacked by a black widow.

Young children are particularly vulnerable to these bites, which may result in death.

Also Read: Top 6 Best Dust Mite Killer and Sprays (2022 Review)


Indoors, you have access to a wide variety of sprays. Those that have specific labels indicating that they may be used inside are the ones I suggest.

Pesticides, particularly contemporary ones, are generally safe to use near humans, although not all.

On the subject of the best spider killer, there is no one-size-fits-all solution.

They are harmless, but you have to remove and reapply them more often with natural products than with artificial ones.

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