Captain Jack’s Deadbug Brew  is a safe, broad-spectrum insecticide that contains Spinosad (spin-OH-sid), a naturally occuring soil-dwelling bacteria that was collected on a Caribbean island from an abandoned rum distillery in 1982. Argh! Captain Jack’s Dead Bug Brew kills bagworms, borers, beetles, caterpillars, codling moth, gypsy moth, loopers, leaf miners, spider mites, tent caterpillars, thrips and more. A concentrate that is easy to use, non-toxic, and effective!