What kills yellow jackets quickly?

What kills yellow jackets quickly? What kills yellow jackets quickly includes several methods. Commercial wasp and hornet sprays that shoot 15 to 20 feet containing pyrethroids like tetramethrin and prallethrin kill on contact quickly, best applied at night when wasps are in nest. Soapy water solution of dish soap and water in spray bottle clogs spiracles and kills quickly when sprayed directly. For nests, dust insecticides like carbaryl or permethrin dust applied to entrance kills colony over hours. For individual wasps, swatting kills instantly but risks sting and provoking others. For traps, baited traps drown them but slower. For quick kill, aerosol wasp spray is fastest, causing paralysis and death within seconds to minutes. For underground nests, pouring soapy water or insecticide at night kills quickly. Always wear protective clothing, apply at night, and avoid disturbing nest during day. For large nests, professional pest control is safest for quick elimination.