Hot Shot Wasp and Hornet Killer, Aerosol, 14-Ounce KILLS ON CONTACT: Hot Shot Wasp & Hornet Killer controls wasps, hornets, yellow jackets, scorpions, mud daubers and tent caterpillars. UP TO 27 FOOT JET SPRAY: With a jet spray that reaches up to 27 feet, you can stand a safe distance from the nest. NON-STAINING: This product is non-staining to most home siding depending on age and cleanliness  before using in areas where spray may contact home siding, test in an inconspicuous area and recheck in a few hours. FOR OUTDOOR USE: Apply at sunset when insects are least active. AEROSOL SPRAY: Water-based formula eliminates the nest.