Japanese beetle
abundant in well-kept lawns and golf courses, and less often in pastures. The grub feeds just below the surface, it cuts off and consumes the grass roots. Early [...] cell formed by the mature larva. The pupa, which is approximately 14 mm long and 7 mm wide, resembles the adult beetle, except the wings and other appendages [...] overwinter in an earthen cell about 15-20 cm deep in the soil. In early spring, when the soil temperatures increase, the grubs move closer to the surface