Contact Kill Aerosols

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Steri-Fab Insecticide
4.5 out of 5 stars (143)
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Kills bed bugs on contact and may be sprayed almost anywhere.

Bedlam Plus Aerosol
4 out of 5 stars (31)
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This kills the toughest pryethroid resistant bed bugs fast by contact kill and residual control of bed bug eggs, ticks, fleas, dust mites and others.

CB-80 Aerosol - 17 oz. can
4.5 out of 5 stars (61)
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The industry's best-selling flushing & contact insecticide, providing an extra-fast knockdown and kill.

565 PLUS XLO - 20 oz.
4.5 out of 5 stars (63)
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A non-residual contact insecticide with a slight odor. It is labeled for just about every pest you could have a problem with, including bed bugs.

PT Alpine Flea and Bed Bug Aerosol
4.5 out of 5 stars (43)
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A flea and bed bug aerosol that contains Dinotefuran which is a reduced risk pesticide and with IGR for 30 days of control.

PT Wasp Freeze II Aerosol - 17.5 oz.
4.5 out of 5 stars (54)
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Specially formulated Pyrethroid spray to provide instant knockdown of wasps and hornets

Temprid Ready Spray
4 out of 5 stars (24)
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The superior performance of Temprid combined with new Bayer Ready-to-Spray technology.

PI Aerosol - 18 oz.
4.5 out of 5 stars (23)
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Containing 0.5% natural Pyrethrin (a botanical extract) and 4% PBO this aerosol contact insecticide provides excellent knockdown and killing results.

Microcare Aerosol
4 out of 5 stars (21)
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An aerosol insecticide non-residual pyrethrum spray that kills flying insects, lice and eggs, fleas and ticks, and no-see-ums.

Pro-Control Total Release Aerosol Insecticide 6 oz.
5 out of 5 stars (6)
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This easy-to-use aerosol insecticide guarantees to provide an effective control and quick knockdown of flying and crawling insects.

PestXpert Foaming Insect Killer
4.5 out of 5 stars (9)
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Foaming aerosol insecticide that leaves a protective, invisible barrier that kills on contact and keeps killing for 4 months.

Wasp-X Wasp & Hornet Spray
4.5 out of 5 stars (21)
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Kills wasps, hornets and yellow jackets on contact and continues to kill the nest with a foaming action and residual.

Eco PCO ACU aerosol - 17 oz.
5 out of 5 stars (11)
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An environmentally safe unscented plant oil (Hexa-Hydroxyl) based contact-kill insecticide labeled for a wide variety of insect pests.

Clear Zone Double Impact Farm Fly Spray
5 out of 5 stars (2)
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A farm fly spray that is formulated with two active ingredients and a synergistic to provide a quick knockdown of flying insects and residual activity that lasts for hours.

Rescue W-H-Y Spray for Wasp, Hornet, and Yellowjacket Nests
5 out of 5 stars (1)
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Rescue W-H-Y Spray for Wasp, Hornet, and Yellowjacket Nests is tough on insects and safe around people and pets.

Spectracide Wasp and Hornet Killer Spray
3.5 out of 5 stars (3)
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Spectracide Wasp and Hornet Killer Spray kills stinging insects on contact.

Nuvan Directed Spray Aerosol
3.5 out of 5 stars (3)
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An effective spray aerosol pesticide that will help kill insect pests on contact and through vapor action.

Eradicator Aerosol Insecticide
4 out of 5 stars (2)
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Multi-purpose aerosol insecticide works indoors, outdoors, and on some animals. Kills ants, spiders, roaches, fleas, mosquitoes, bedbugs and 100 more on contact.

Dos Flea And Crawling Insect Spray
5 out of 5 stars (2)
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A professional aerosol spray for flea and other crawling insects that is ideal for a PMP for indoor residential and commercial applications.

Shur-Kill Aerosol Insecticide
5 out of 5 stars (2)
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Multi-purpose aerosol insecticide. Kills on contact indoors and outdoors, and has a 4 week residual.

Ortho Bed Bug and Flea Killer
Out of Stock
An aerosol insecticide that kills bed bugs and their eggs, fleas, ticks and dust mites for indoor residential use.


Contact kill aerosols are great products when you need to paralyze or kill a bug quickly. A good example is when you are trying to kill stinging insects, like wasps, and don’t want them to be able to move after being sprayed. These aerosols are non-residual and only kill on contact and don’t continue killing additional bugs that might come in contact with the treated bug after the fact.

If you are looking for a product that will stay on the insect pest so they can spread the insecticide to the rest of the colony, and don’t mind if it will take awhile to kill the insects, you are looking for residual aerosols. You can also try our non-repellent aerosols, which are great because the bugs don’t know that they have insecticide on them until it’s too late and they have already spread it around the colony. See our entire selection of bug spray aerosols for additional options.

Types of Aerosol Contact Insecticides

  • Aerosol mists, or space spray insecticides, are designed for flying insects. The spray is very fine particles of chemicals that are dissipated with a propellant.
  • Insect “bombs,” or total release fogging systems can fill an entire space and are able to kill all insects out in the open of that space. Formulations for these fogging machines are a liquid, and the machine breaks up the particles and turns them into a mist. This type of insecticide is not residual, and will only kill the bugs present in that space.
  • Small aerosol cans are useful for knocking down and killing flying insects like wasps and hornets. This type of insecticide is under pressure with inert ingredients that allow the spray to be propelled out of the can.
  • Other aerosol sprays are meant for crawling insects. They have a residual effect so you can spray this insecticide and the chemicals will affect insects that move over this spray. They are less of a mist and more of a liquid spray.

Common Ingredients in Contact Kill Aerosols

There are many brands and formulas of contact kill aerosol insecticides, not only in the common commercially available brands but also in the professional grade types. In the misting aerosols, you will commonly find pyrethrin, d-transallerthrin, resmethrin, and synergists. Sprays commonly contain silica gel, propoxur, chlorpyrifos, as well as resmethrin and pyrethrins but neither type of aerosol is limited to these active ingredients.

Safety Precautions

As with any pesticide, there are pros and cons and safety precautions for contact kill aerosols. Risk of inhalation, risk of bursting from heat or punctures, limited use and sometimes-difficult usage are things to weigh when using these products. However, they are also very convenient. They’re ready to use and require no mixing or diluting, are extremely portable, easy to store, and you can purchase a small amount at a time.

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