Raid Ant & Roach Killer 26 is an effective and long-lasting insecticide spray that kills on contact and keeps killing with residual action for up to 6 weeks. Raid spray it's also a carpenter ant killer. Take back your space with this easy-to-use insect spray. Kills a wide variety of insects including roaches, ants, silverfish, crickets, earwigs, household spiders, multicolored Asian lady beetles, stinkbugs, scorpions, and black widow spiders. Raid Fragrance Free – leaves no lingering chemical odor.