The Billbugs are destructive creatures that destroy the lawns. In its larval stage, the creatures feed on the grass stems and the roots. These bugs destroy the grass blades. The adult billbugs grow up to ½-1 inches in length, but it largely depends on the species. The billbugs are gray or brown colored. In its larval stage, the grub has a white appearance with no legs that make it easier to identify. These bugs have a small snout. These bugs can inhabit in a variety of climates. The bugs may even invade the interiors which can create a nuisance.