There are several ways to kill yellow jackets instantly, according to the search results:
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Stryker Wasp and Hornet Killer: This product can kill yellow jackets on contact from up to 20 feet away. It knocks down yellow jackets so quickly that they do not have time to release their stinging pheromones, which in turn reduces the possibility of the applicator being stung.
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Pyrethrin aerosol: Spray the opening of the yellow jacket nest at night with pyrethrin aerosol, such as Stryker 54 or PT 565. Wait until the aerosol is dry (10-15 minutes), then dust the opening with Tempo Dust.
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Dawn dish soap and water: Mix Dawn dish soap with water or use the foaming type of Dawn. The soap coats the yellow jackets and they drop like stones.
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Dry ice: Dump finely broken up dry ice into the entrance of a yellow jacket nest and quickly cover the hole with dirt or a bowl with a tight seal. This method works best if the nest has been located underground. Although this method is fast, it does require close contact with the nest which could result in stings.
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Insecticide powder: Place a small amount of insecticide powder, such as Sevin 5% dust, into the yellow jacket nest. This method is effective for ground nests and can completely destroy the nest.
It is important to note that yellow jackets are territorial and become aggressive when their nests are threatened. It is recommended to wear protective clothing and gear when attempting to kill yellow jackets.
