Whereas, pepper spray or oc spray has similar effects like chest pain, gagging, painful burning of the skin, involuntary eye closure, shortness of breath, coughing and more. Wasp spray is an insecticide that is designed to destroy and devastate the nervous system of flying insects. If those wasps are still able to fly and make it back into the hive, they will spread the substance to all of the other wasps inside of the nest. The best time to spray wasps nests are in the morning or at dusk when wasps are less active and in the nest.
Make sure to wear thick clothing like a long sleeved shirt and long pants. If possible you should also wear gloves and sunglasses or eye protection like goggles. However, we see the same range and accuracy in different pepper spray dispersal patterns.
There are of course other toxic side effects that we mentioned above however, wasp spray requires the attacker to go to the hospital for an antidote. What this may mean for you is legal difficulties since using wasp spray on humans is illegal.
This could result in a lawsuit between you and your attacker even though you were defending yourself. Ultimately, thousands of U. Even though wasp spray allegedly can shoot from a greater distance and supposedly is more accurate, there has been little research to back those claims in conjunction with being able to stop an attacker.
Wasp sprays should not be confused with self defense sprays or used as a replacement for pepper sprays or OC sprays.
SDS Specimen Label. Pests Controlled. Flying, stinging insects including wasps, hornets, yellow jackets, as well as spiders. Treatment Areas. This solution is an indoor and outdoor spray, approved for use in residential, commercial and institutional areas such as decks, patios, garages, yards, housing complexes, government buildings, warehouses, nursing and assisted living facilities, office buildings, schools, daycare facilities, libraries, and other areas where nests are built.
These are quick and effective against the insects that are currently in the nest, and they typically leave a residue that will kill returning insects. We looked for sprays that were:. Pyrethroid-based: Our experts all recommend a pyrethroid a synthetic pesticide modeled after a compound found in the chrysanthemum plant as an active ingredient.
There are many equally effective pyrethroids in use, and we saw a number of different ones across the various brands. All of our experts agreed that there is not going to be much difference in hornet sprays. There are very few options beyond pyrethroid-based sprays. We found some that use essential oils as an active ingredient, but those have downsides.
Where you might not have to do that with a pyrethroid. Foaming: Merchant told us that foaming sprays can help protect you against the wasps and hornets. Non-staining: Paper wasps often build their nests under the eaves of a house, so a spray is likely to get all over the siding. Some brands have a very watery foam that immediately starts running down the side of the house, increasing the residue left behind. Others have very thick foams, which held their shape and simply dissolved like a handful of bubble bath.
Able to spray a good distance: A can of wasp and hornet killer should have a good spray distance, to keep you as far away from the nest as possible. Most available sprays list a range of about 20 to 22 feet. Most were right around the foot mark. Safe to use: Pyrethroids are extremely effective against insects.
And anyone using them should take common-sense precautions, such as washing their hands afterward, taking into account who is nearby and where they are, and not spraying them directly into the wind or straight up at a nest.
We also preferred products that had some kind of cap or safety latch on the spray—really anything that might deter a curious child. Finally, some sprays are designed not to conduct electricity. We tested two and had very poor results. We did set different criteria for dusts: For a ground nest, or one that is in a wall cavity, a dust is a better option.
Our experts told us that, like the sprays, the majority of the available dusts are going to be effective. You definitely want one that will puff it out. We did not test the killing effectiveness of the sprays or dusts. Our experts, with their years of hands-on experience, agreed that these pyrethroid-based products are all going to have a similar effectiveness against wasps and hornets. We could find no credible study that compared any of the active ingredients in the tested products for effectiveness, and, given the logistics of testing a pesticide, it was unrealistic for us to attempt it.
We tested for the distance and focus of the spray, as well as any potential staining issues. To test distance, we put each can on the same stump, about 5 feet off the ground, and shot it horizontally, measuring the distance to the spot with the largest concentration of spray. To look at potential staining, we applied a small amount of spray to a painted board and gave it a night to dry out.
If there was residue left which there usually was , we repeatedly hosed it off to try to remove it. While testing, we also looked at the overall composition of the foaming element and the general usability of each can. We took note of any safety features and how each spray performed in a slight breeze. The foam is thick enough to completely cover a nest and help stop wasps and hornets from escaping.
In fact, the foam is so thick that it hangs from a vertical surface and dissipates like a handful of bubble bath. Other foam sprays immediately start liquefying and running down the surface, so they no longer block the nest entrance and increase the chance of residue getting on the side of a house. The Terro spray shoots about 15 feet, which is in line with most of the competition. It comes in a ounce can, which is larger than most and provides some added spray for bigger nests.
We also like that the can has a cap—for safety, and to protect the nozzle if the can falls off a shelf or is accidentally dropped. Finally, Terro is readily available at Home Depot, in case you need it in an emergency. The power of a wasp and hornet spray starts with the active ingredient, and the Terro spray contains both Tetramethrin and Sumithrin, both of which are pyrethroids.
Terro has an extremely thick foaming spray. It comes out of the can like highly pressurized shaving cream and immediately starts expanding. There is no question that the Terro foam, when applied properly, could stop up the entrance to a nest.
The thickness of the foam also reduces any residue left from the spray. All of the foaming sprays we tested left some residue on a painted surface. As for distance, Terro is right alongside the majority of the sprays we tested. When we shot it horizontally, from about 5 feet off the ground, the spray consistently traveled 15 feet, right in line with the majority of the other sprays.
Only two sprays went noticeably farther— Spectracide 21 feet and Bonide 19 feet.
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