Spectracide® foaming wasp and hornet killer kills the nest and kills listed pests by contact with a blanketing foam formula. This water-based insecticide is designed specifically for outdoor use and leaves no stains or oily residue behind. It can be used on various pests such as wasps, hornets and yellow jackets. For wasps, hornets and yellowjackets, apply at sunset when insects are least active. Shake can well before each use. Equipped with a long-range jet spray, it allows users to stand up to 20 ft away from the nest. Wait at least 24 hr before removing nests after spraying. This product is for outdoor use only and application is limited to spot treatments. Broadcast applications are prohibited. Store away from children and pets in a cool, dry place far from any heat or open flame. Do not puncture or incinerate when handling and disposing of product.