Cyper WP (same as Demon WP and Cynoff WP) insecticide is a loose white powder that is mixed with water. It can be applied as a crack and crevice and/or spot treatment for residual and contact control of ants, bees, biting flies, boxelder bugs, centipedes, cockroaches, crickets, earwigs, elm leaf beetles, firebrats, fleas, flies, millipedes, mosquitoes, pillbugs, silverfish, sowbugs, spiders, ticks, and wasps.
Cyper WP has a residual of up to 3 months. 1 x 1lb. container of Cyper WP yields up to 48 gallons of finished product.
Cyper WP is best applied with a 1 gallon sprayer. Sold separately. Apply to outside foundation and all entry points such as around windows, doors, cracks and crevices, etc. Cyper WP is very toxic to fish. Do not apply near bodies of water or where there may be water run-off. Always read the label completely before use.