Related: How to Make a Yellow Jacket Trap at Home Ground wasp nests are not always easy to spot, but some telltale signs are small conical piles of dirt with holes in the center of each mound.

Otherwise, you can keep your yard well watered so that the soil is moist, as ground wasps prefer dry, sandy soil. Maintain a tidy yard and inspect any holes in your lawn for wasps, as keeping an ...