Top 5 Best Spider Killers (2024)

Top 5 Best Spider Killers (2024) - Spider crawling on furniture
June 18, 2024
Top 5 Best Spider Killers (2024)

Top Spider Killers of the Year

For many homeowners, encountering spiders can be a common and unnerving experience. Whether it's the occasional stray spider wandering across the floor or a full-blown infestation, finding an effective solution to eliminate these eight-legged creepy crawlers invading your home is crucial.

In this blog, we will explore and review the top 5 best spider killers of 2024, providing you with the most efficient and reliable options available in the market.

Our comprehensive guide aims to help you make an informed decision, ensuring your home remains spider-free.

  1. Most Popular: Cyzmic CS Insecticide

  2. Most Convenient: Demon WP Insecticide

  3. Best Spider Traps: Greenway Spider and Silverfish Trap

  4. Best Natural Spider Killer: EcoVia EC

  5. Overall Best Spider Killer: Onslaught FastCap Spider and Scorpion Insecticide

Cyzmic CS Insecticide

Most Popular Spider Killer: Cyzmic CS Insecticide

Benefits

  • Little to no odor

  • Effective for spiders and a wide range of other insects.

  • Features a microencapsulated formula for an excellent controlled release

  • This water-based spray kills insects in days and leaves a strong residual effect

Drawbacks

  • May cost more per application than other spider killer sprays

  • Some products like Bifen IT may be more suitable if you have a larger area to treat

  • Effective knockdown but not immediate

  • Long-lasting residual activity

Quick Facts

Spider control in: 2-3 days

Lasts up to: 60-90 days

Active ingredient: Lambda-Cyhalothrin

Cyzmic CS Insecticide at a Glance

Cyzmic CS Insecticide is available in a water-based microencapsulated formula known for its prolonged and effective control of a wide range of insects.

It offers strong knockdown power and sustained control, similar to Demand CS, with Lambda-Cyhalothrin 9.7% as the active ingredient.

This insecticide, with minimal to no smell, has been a staple in pest control for over a decade. It is particularly effective against insects trying to enter from the outdoors. While being similar to Demand CS, Cyzmic CS is a more cost-effective option.

Demon WP Insecticide

Most Convenient: Demon WP Insecticide

Benefits

  • Highly convenient, envelope-based insecticide

  • Can simply drop packets into water, and they dissolve, creating the mixture

  • Can be used inside and outside

  • Can be used on a wide variety of insects, in addition to spiders

  • One gallon of finished Demon WP mix completely covers up to 2,500 square feet of a home

Drawbacks

  • Once the mixture is made, it needs to be used quickly

  • Toxic to fish, avoid usage on water and intertidal areas.

  • White powdery film may be visible if applied to dark surfaces

Quick Facts

Spider control in: Begins killing spiders in less than one hour

Lasts up to: 3 months

Active ingredient: Cypermethrin

Demon WP Insecticide at a Glance

Demon WP packs are user-friendly - simply mix them into water and ensure thorough mixing in your sprayer; the solution should be used within a couple of days. The convenience of Demon WP Insecticide in its envelopes has led to it being a top seller for many years.

Placing the packets in water allows them to dissolve effortlessly. Demon WP Insecticide effectively kills various crawling insects, offering lasting protection for up to 3 months as a long-term residual.

It can be applied both indoors and outdoors, with the sprayed residue lasting 2 to 3 months. It's important to utilize all mixed solutions promptly, as prolonged storage of water solutions will impact effectiveness.

Demon WP is safe for children and pets when used correctly; ensure treated surfaces are completely dry before allowing access.

Greenway Spider and Silverfish Trap

Best Spider Traps: Greenway Spider and Silverfish Trap

Benefits

  • Immediately ready to use

  • Long-lasting

  • Safe for use around children and pets

  • Non-toxic

  • Traps can be used all throughout the year

Drawbacks

  • Cannot protect as wide of an area as traditional spray spider killers

  • Needs to be placed correctly to be effective

  • Not for outdoor use

Quick Facts

Spider control in: Begins trapping spiders as soon as the pests crawl onto the trap

Lasts up to: 2 months or until full

Active ingredient: N/A

Greenway Spider and Silverfish Trap at a Glance

Position Greenway's Spider and Silverfish traps close to a wall or in a humid space like the attic or basement to capture bugs effectively. Swap out the trap when it's full or dusty.

Instructions: Peel off the protective paper to reveal the sticky side. Fold the trap into a triangle with the sticky side inward. Situate the traps in areas where spiders and insects frequent. Renew the traps every two months or when they are full.

These traps are suitable for year-round use. Notable features include being non-toxic, ready to use out of the box, durable, and safe for children and pets. Each box contains six traps.

EcoVia EC natural insecticide

Best Natural Spider Killer: EcoVia EC

Benefits

  • Non-toxic, natural, and environmentally friendly

  • Kills a wide range of insects like Asian Lady beetles and spiders

  • Can be used indoors, outdoors, and around water

  • Kills pests like spiders on contact

  • Safe around children and pets when applied correctly

Drawbacks

  • Some may find the strong essential oil scent unpleasant.

  • More expensive per application than other, less natural formulas

  • Less residual activity than traditional, toxic sprays

Quick Facts

Spider control in: Direct contact - immediately. Residual up to a week.

Lasts up to: 3-6 weeks

Active ingredient: Botanical Oils: Thyme Oil, Phenyl Ethyl Propionate, Rosemary Oil

EcoVia EC at a Glance

Rockwell Lab has developed a new botanical insecticide called EcoVia EC, which is backed by extensive research. This insecticide features thyme oil and rosemary oil and is classified as an NOP-compliant product that is EPA-exempt and an organic essential oil insecticide under FIFRA25-b regulations.

Unlike its predecessors, EcoVia EC is highly soluble in water, ensuring consistent effectiveness over time. It offers a natural solution to various insect issues like ants, roaches, fleas, mosquitoes, ticks, spiders, wasps, stink bugs, bed bugs, and aphids.

EcoVia EC can be applied through spraying or fogging equipment. Extensive tests in the laboratory, field, and with customers have shown EcoVia EC to be highly effective against a wide range of crawling, flying, and sucking insects. When applying EcoVia EC, you may need to adjust your spray nozzle to ensure coverage of the targeted area. This product is ideal for individuals seeking a safe yet efficient solution to pest problems.

Onslaught FastCap Spider and Scorpion Insecticide

Overall Best Spider Killer: Onslaught FastCap Spider and Scorpion Insecticide

Benefits

  • Extremely effective against spiders, as it sticks to and kills them quickly

  • Can be used for indoor and outdoor use

  • Dries on surfaces clear

  • Can last up to 90 days indoors and 30 days outdoors

  • Does not need to be reapplied after rain

  • Kills over 200 other insects and spiders like Hobo Spiders, the Brown Recluse, and even fruit flies

Drawbacks

  • May take up to 24 hours.

  • Not organic, unsafe for marine life such as fish

  • Only safe for pets and children once the sprayed area has completely dried

  • Cannot be sprayed onto surfaces that can be easily stained

Quick Facts

Spider control in: hours

Lasts up to: 12 months of residual activity

Active ingredient: Esfenvalerate, Prallethrin, Piperonyl butoxide

Onslaught FastCap Spider and Scorpion Insecticide at a Glance

Onslaught FastCap Spider and Scorpion Insecticide features a distinct blend that includes Exponent synergist, which amplifies the effects of its two other active ingredients: Esfenvalerate and Prallethrin. This fast-acting insecticide is versatile for use both indoors and outdoors and is approved for use in food and nonfood areas of commercial buildings.

Benefits of Onslaught FastCap Spider and Scorpion Insecticide

Onslaught FastCap Spider and Scorpion Insecticide boasts a fast-acting microencapsulated formula that combines rapid kill and residual control, effectively killing ants, spiders, scorpions, fleas, and other listed insects. Its versatility makes it suitable for several application methods, including crack and crevice treatment, spot treatment, perimeter spray, foliar spray treatment, and injection into wall voids. Additionally, it can be used as a tank mix with Insect Growth Regulators (IGRs) or applied independently, providing a comprehensive and adaptable spider control solution.

An image of a spider infestation in a home.

Spider Infestation

Signs Of A Spider Infestation To Look For

Detecting a spider infestation early can help prevent a minor problem from becoming a major one. Here are some common signs to be aware of:

  • Spider Webs: The most obvious sign of a spider infestation is the presence of spider webs. Different spiders weave different types of webs; some are orb-shaped, while others may be funnel or sheet-like. Regular sightings of spider webs in corners, ceilings, or other secluded areas can indicate a growing population.

  • Spider Sightings: Frequent sightings of spiders around your home or garden, especially in large numbers, could signify an infestation. Pay attention to areas that are often undisturbed, like basements, attics, and crawl spaces.

  • Egg Sacs: Spiders reproduce by laying eggs, which are often enclosed in silken sacs. These sacs are typically hidden in dark and undisturbed places, such as behind furniture or in storage areas. Finding egg sacs can indicate that spiders are breeding within your space.

  • Spider Droppings: Spider droppings, which appear as small, dark spots or smears, can be found on surfaces where spiders are active. These droppings usually consist of digested food residue and can often be found near webs or areas where spiders have been spotted.

  • Increase in Other Insects: Since spiders feed on other insects, an increase in the spider population might be a sign that there's an abundance of prey in your home. Addressing any underlying pest issues can help control the spider infestation as well.

Understanding these signs can help you take the necessary steps to eliminate a spider infestation and restore your home's comfort and safety.

Types of Spider Killers

What Should I Look for in Spider Control Products?

  1. Spider Traps: These are adhesive traps that capture spiders when they come into contact with them. They are non-toxic and safe for use in homes with children and pets. However, they may not be suitable for heavy infestations or large house spiders.

  2. Insecticides: These can be in the form of aerosols, liquid sprays, dusts, or granules and contain chemicals that kill spiders on contact or provide residual control. It's essential to read the label carefully and follow instructions for safe usage.

  3. Natural Remedies: Some natural ingredients like peppermint oil, vinegar, diatomaceous earth, and citrus can repel or kill spiders. However, their effectiveness varies, and they may not be as potent as chemical insecticides.

  4. Professional Pest Control: In severe infestations (especially brown recluses), it's best to seek the help of a professional pest control service. They have the knowledge, tools, and experience to effectively eliminate spiders from your home and prevent future infestations.

Choosing a Spider Killer: Top Points to Think About

When selecting a spider killer, it's crucial to take into account several key factors to ensure you choose the most effective solution for your needs. Here are some top points to think about:

  • Type of Infestation: Determine the severity of the spider infestation to choose an appropriate method.

  • Safety: Consider the safety of children, pets, and other non-target organisms in your home.

  • Indoor vs. Outdoor Use: Check if the product is designed for indoor, outdoor, or both applications.

  • Residual Effect: Look for how long the product remains effective after application.

  • Speed of Action: Assess how quickly the product will kill or repel spiders.

  • Ease of Application: Factor in whether the product is easy to apply in the area where you need control.

  • Environmental Impact: Consider the environmental impact, particularly if you prefer natural or organic options.

  • Cost: Evaluate the cost-effectiveness of the product in relation to its benefits and longevity.

Active Ingredients In Common Spider Killers

All of the most common spider killer products contain an ingredient that kills spiders, but each product contains a different variety of chemical compounds. Here are a few of the common active ingredients you'll find in spider killers.

  • Esfenvalerate - This synthetic pyrethroid offers a quick knockdown on spiders, but has a low toxicity to mammals. It covers a very broad range of insects.

  • Prallethrin - A chemical commonly found in a variety of insecticides that weakens insects and eventually causes death by disrupting the nervous system.

  • Piperonyl butoxide - This synthetic compound acts as a pesticide synergist. While it doesn't kill insects on its own, it enhances the effectiveness of other insecticides, often being used together with natural pyrethrins or synthetic pyrethroids.

  • Botanical Oils - Oils such as Thyme, Phenyl Ethyl Proprionate, and Rosemary oil can effectively kill and repel spiders.

  • Cypermethrin - This is a synthetic pyrethroid insecticide that's highly effective against spiders and other insects. It affects their nervous system.

  • Lambda-Cyhalothrin - This is a broad-spectrum insecticide that kills and repels various pests, including spiders. It acts by disrupting their nerve function, leading to paralysis and death.

Pest Control Services vs. DIY Spider Killers

Because many people have a fear or dislike of spiders, it's hard to know when to try and tackle the issue on your own or to call local pest control professionals. Here are some guidelines to help you decide:

  • If you're noticing a few spiders or just occasional webs in your home, you can easily manage the problem on your own using traps, natural remedies, or professional-grade insecticides.

  • When your initial inspection reveals multiple webs, egg sacs, or frequent spider sightings, it may indicate a moderate infestation. At this stage, using a combination of insecticides and regular cleaning can effectively control the problem, saving you the expense of professional services.

  • Even if you encounter dangerous spider species like brown recluses or black widows, there are effective DIY solutions available. With proper precautions and the right products, you can handle these pests without needing a professional exterminator.

  • If DIY methods have not yet resolved your spider issues, don't give up. There are numerous advanced DIY pest control options and strategies that can provide comprehensive solutions, including long-term prevention, without the need for professional intervention.

  • Severe infestations in large or cluttered areas like basements, attics, or crawl spaces can still be managed with DIY methods, but for those who are spider-averse, a professional may be worth contacting at this stage. With the right tools and some dedication, you can effectively eliminate large populations and address any underlying issues attracting spiders.

  • For ongoing spider issues, regular inspections and DIY treatments are highly effective in maintaining a spider-free environment, giving you peace of mind without the cost of professional pest control services.

By assessing the severity of your spider issue and considering these points, you can make an informed decision on whether to handle the infestation yourself or seek professional help.

Spider Killer FAQ

What is the best spider killer?

The best spider killer depends on your home's needs, the severity of the infestation, and your budget. For minor infestations, natural remedies or DIY options may suffice. Severe infestations might require professional-grade products or pest control services. Always balance effectiveness with safety and cost.

Can I spray spiders on my own?

Yes, you can spray spiders on your own using various DIY products available on the market.

However, it is essential to carefully read and follow the instructions provided on the product label to ensure safe and effective use. Ensure the product is suitable for indoor or outdoor use depending on where you plan to apply it.

Additionally, take precautions to avoid contact with children and pets, and consider using personal protective equipment such as gloves and masks during the application process to protect yourself from the spray as well as potential spider bites. For most sprays, you'll want to spray the target area while holding the spray nozzle at a slight downward angle.

What type of spider treatment is the most effective?

The most effective spider treatment combines thorough cleaning, removing webs, and using insecticides with active ingredients like cypermethrin or botanical oils.

For the most severe infestations, professional pest control services offer comprehensive elimination and ongoing prevention.

What do professional exterminators use to kill spiders?

Professional exterminators use a range of tools to kill spiders, including powerful insecticides with active ingredients like cypermethrin, lambda-cyhalothrin, or esfenvalerate. They also may utilize integrated pest management practices that combine chemical treatments such as Terro Spider killer spray with strategic preventative measures.

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