Black FlagĀ® Wasp, Hornet & Yellow Jacket Killer is a long lasting aerosol that gets rid of wasps, hornets, and yellow jackets. Designed to kill on contact and eliminate the nest where they live and breed. Jet spray shoots up to 29 feet to reach the nest. Certifications EPA Features No oily residue Designed to kill wasps, hornets and yellow jackets, and eliminate the nests where they live and breed Can also be used to kill tent caterpillars, scorpions and ants