White Grubs
White grubs are the larval stage of various beetles
White grubs are the larvae of various scarab beetles; however, all grubs are similar in appearance. They all are white to grayish in color with a brown head. They have six legs near the front of their “C” shaped, .75-1.5” long body. Adult beetles have hard wings and normally vary in color from brown to black. Japanese beetles have coppery brown wings and metallic green bodies.
It is not uncommon to find occasional beetle larvae in lawns or landscape beds that have been treated with a grub control. Low numbers of larvae present no potential for damage.
Damage
The grubs damage turf by feeding on its roots. The grass then wilts, turns brown and may die. Birds, skunks, raccoons, moles and armadillos may disrupt sod in search of grubs and sod may pull up easily depending on the degree of damage. Most grasses are susceptible to grub feeding and they do their damage during late summer into early fall.