Bonide 16 oz Captain Jack's Dead Bug Brew Ready-To-Use is approved for organic gardening to control a wide range of listed insect pests. This pest control is great for use on bagworms, borers, beetles, caterpillars, codling moth, gypsy moth, spider mites, loopers, leaf miners, tent caterpillars, thrips and more. Protects a wide variety of plants including fruiting vegetables, cole crops, leafy vegetables, tuberous vegetables, stone fruits, bush berries, pome fruits, and ornamentals. The active ingredient in Dead Bug Brew is a naturally occurring bacteria called Spinosad. This product is conveniently ready to use when it arrives. The spray nozzle makes this product easy to deploy.