They prefer grassy areas where the soil is constantly moist such as lawns, pastures, and meadows in close-cropped grass. The younger the grubs are, the easier they are to control. The best time to apply grub control measures is from mid-July to August and September when the grubs are small and near the soil surface. Precise predictions about when to treat for grubs in your area are difficult under the best of circumstances, however, treat entire lawn. Do not attempt to control lawn pests by spot applications.
Birds pecking in the lawn indicate an insect problem in the lawn.
Starlings, crows, sparrows, grackles, and robins are commonly found feeding on grubs, chinch bugs, sod webworms and earthworms. If left untended, the insects will probably do more damage than the birds, which disturb the lawn's root system only slightly by tearing and pulling the roots while searching for insects. They feed on grubs, earthworms, and other insects. Skunks are omnivorous, feeding on insects, small rodents, fruits, berries, corn and other garden vegetables, and garbage. Once their food supply is gone, moles and skunks will often leave the area to seek more abundance food supplies.