This brew contains Spinosad ("Spin-OH-sid"), a naturally occuring soil- dwelling bacterium collected on a Caribbean Island from an abandoned rum distillery in 1982. It kills bagworms, borers, beetles, caterpillars, codling moths, gypsy moths, loopers, leaf miners and more. Safe to use on fruits, vegetables, berries, nuts and ornamentals. A leading pesticide for organic gardening. Mixing rate for the concentrate is 2 oz. per gallon of water.