Check the listing for details. Yellow Jacket Kit Aggressive Wasp bye bye 100% structural or ground setting. Condition: New. Listed at 49.00 USD. Wasp & Hornet is a fast-acting wasp killer. so quickly kills, that it kills wasps and hornets before it can release its stinging pheromone. It may be sprayed as a spot killer or contact killer and will shoot up to 20 feet. Stryker Wasp & Hornet acts quickly and leaves a residual to eliminate the entire nest.It may be used against stinging insects both inside and outside.Quickly kills hornets, wasps, yellowjackets and spiders on contactUsable around electrical equipment :electrically non-conducting up to 37,160 voltsThe residual action completely eliminates the nest.For use outside, attics and crawl spaces.Stryker Wasp & Hornet can shoot up to 20 feet, but for best results, shoot into the nest at night. At night the wasps and hornets are dormant. Spray opening at night with the Stryker 54 Aerosol (about a 15-second blast) Wait until aerosol is dry (10-15 minutes), then dust the opening with D-Fense Dust. Nests should be located during the day so you can see the workers entering and exiting all day. Mark the entry points. Treat at night only when it is dark. Any treatments should be done at night because they are all in the nest. They don't see well at night, and your chances of being stung are greatly reduced.