Grub Guard is a preventative treatment against lawn grubs. It’s currently the only product on the market that can make this claim. It contains the active ingredient Esfenvelerate, which is a broad-spectrum insecticide that is toxic to most insects, but less toxic to birds and of minimal toxicity to mammals. Grub Guard is safer to use than any other pest control product as well as preventing some damage to your foliage as it can be applied prior to the actual attack when the moths first appear. Grub Guard kills aphids, bugs, caterpillars and many other pests like the lawn grub larva. This means you can use it post-attack from a host of pests and prior to an attack from grubs. Plus, Grub Guard is safer to use than any other pest control product. It contains the active ingredient Esfenvelerate, a broad-spectrum insecticide that’s toxic to most insects.