Chemical control is most effective in June, since early-season applications prevent a buildup later on. For best results, applications should be made in the late afternoon or early evening. Use only an approved chemical. Do not water the treated area for 1 to 2 days or mow the grass for 3 days after applying the chemical. Some insects nest in the ground, which results in lawn damage to lawns.
Ants are familiar turf-nesting insects.
Some ants form hills around their external openings. Ants may smother grass or ruin grass roots. They also may eat grass seeds or bite people and animals. Still, with their soil aeration activities and recycling of nutrients, ants are a beneficial soil insects. Several types of wasps or bees nest in the ground.