White Grubs White Grubs White grubs are larvae of June beetles. They are white with a brown head, have a C-shaped body, and 3 pairs of short legs immediately behind the head.
White grubs are one of the most destructive insects of turf.
They feed on roots and are capable of destroying the entire root system. These grubs complete a life cycle in one year. Adults are present starting from late June into July. Adults feed on the foliage. Eggs are deposited in the soil under the turf.