White grubs live in soil and are larvae of May beetles. They require 3 years to mature. Larvae feed on roots and underground parts of potato and many other plants.
Adults feed on tree foliage.
Throughout United States. This will kill many grubs and expose others to predators. Birds, hogs, and skunks are natural predators of the grubs. Parasitic wasps may also provide some control. Regardless of the information provided here, you should always follow the latest product label when using any pesticide.