Grubs and other lawn invading insects can cause significant damage to lawns. The Spectracide Grub Stop for Lawns granule is a great option to control existing infestations or as a preventative measure. It controls all season long and contains a higher concentrated formula versus the competition. It offers control for pests such as armyworms, billbugs, caterpillars, crane fly larvae, cutworms and other listed insects. For best results, apply 2-4 weeks prior to pest activity. Thoroughly water treated area immediately after application.