Speaking of moles, they go hand in hand with white grubs. While moles aren’t insects, they are still a menace to your lawn. Their primary diet is grubs. In theory, you’d think they’d be helpful. Unfortunately, the reality is they can do just as much damage with their digging. Their tunneling will ruin root systems, cause raised areas in the ground, holes, and they dump the soil from the tunnel on top of the ground.