Multiple sizes available
Rescue W-H-Y Spray for Wasp, Hornet, and Yellowjacket Nests
Rescue W-H-Y Spray for Wasp, Hornet, and Yellowjacket Nests is tough on insects and safe around people and pets.
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.
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.
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.