Demon WP is labeled for a wide variety of pests, however, making it an extremely popular general use insecticide for perimeter treatments outdoors or crack and crevice treatments indoors. (See our selection of sprayers in our Sprayers section).ĭemon WP (Wettable Powder) is excellent for larger, tougher pests such as cockroaches, spiders, scorpions, or stink bugs because there is a high concentration of active ingredient. The Demon WP water-soluble packets make mixing and use very easy when used with a 1 gallon compressed air sprayer. PESTS CONTROLLED WITH THIS PRODUCT: Ants, Aphids, Assassin Bugs, Bees, Boxelder Bugs, California Oakworm, Carpenter Ants, Carpenter Bees, Centipedes, Chiggers, Chinch Bugs, Cluster Flies, Cockroaches, Crickets, Earwigs, Elm Leaf Beetle, Fire Ants (Mounds), Firebrats, Fleas, Flies, Millipedes, Mites, Mosquitoes, Pillbugs, Scorpions, Silverfish, Sod Webworms, Sowbugs, Spiders, Termites (above ground only), Ticks, Wasps Target Uses of Demon WPĭemon WP (Water-soluble Packets) Insecticide is for crack and crevice and/or spot applications for residual and contact control of Ants, Carpenter Ants, Cockroaches, Crickets, Spiders and certain other insect pests. Demon WP Target PestsĪ variety of crawling and flying pests including (but not limited to) ants, boxelder bugs, cockroaches, crickets, earwigs, scorpions, spiders, and wasps After it dries, Demon WP continues to work for up to 3 months. Demon WP is diluted with water and applied with a gallon pump sprayer. It is a man-made active ingredient that attacks the central nervous system of insects that come in contact with or ingest it. Cypermethrin is in the synthetic pyrethroid class of insecticides. + Read More How Demon WP Insecticide Worksĭemon WP is a residual insecticide concentrate with the active ingredient Cypermethrin.