NON-STAINING: This product is non-staining to most home siding depending on age and cleanliness. Before using in areas where the spray may contact home siding, test in an inconspicuous area and recheck in a few hours. USE OUTDOORS WHERE INSECTS LIVE AND BREED: For wasps, hornets and yellowjackets apply at sunset when insects are least active. For tent caterpillars apply in the late afternoon or evening when caterpillars have returned to their nests. For ants spray trails, nests and point of entry. UP TO 20 FT JET SPRAY: Our up to 20 ft jet spray allows you to stand at a safe distance from wasps, hornets, yellowjackets and scorpions. ELIMINATES THE NEST: This product eliminates the nest. This product’s powerful spray will also kill insects that return to the nest over the next few days. KILLS ON CONTACT: Eliminator Wasp & Hornet Killer kills wasps, hornets, yellowjackets, scorpions, mud daubers and tent caterpillars.