Pull back the square and inspect the soil below. Use a spade to cut a square foot section of turf, about 2-4 inches deep. This damage will appear in random spots around the lawn. Before the grass begins to yellow and pull up, it will turn brown and patchy. Grub damage often looks like drought, but additional watering won’t fix it. If your yard looks drought-stricken, despite regular watering, the problem could be grubs. If you’ve noticed many moths or beetles flying around at grass level, it could signify that you have a serious grub problem. Increasing numbers of moths or beetles.This damage can be as expensive and difficult to fix as grub damage itself. Skunks, raccoons, and other digging pests love to eat grubs and will destroy your lawn searching for them. If you tug at it, it will roll back like a carpet. As grubs consume the roots of turfgrass, the grass turns spongy and yellow. Here are a few sure-fire signs that will help you identify grub damage: Not sure whether you have grubs in your yard or not? Adult beetles have a 1–3-year lifecycle.Īdult beetles lay their eggs near their feeding sites in July and August, creating new grubs that dig into the soil and eat grass roots, perpetuating the infestation.įortunately, it is possible to control grubs with methods like milky spore disease, which we’ll discuss more later in this post. During the spring and early summer, grubs eat the roots of grass and other foliage and organic matter, causing extensive plant damage.Īs lawn grubs turn into adult beetles, they leave the soil to mate and lay eggs. When disturbed, they curl into a C shape.ĭormant during the winter, grubs become active when the weather starts to warm up. These pests have soft, white bodies with a set of legs near their heads. Grubs are the larval stages of different beetle species, including Japanese beetles, June beetles, and European chafers. What are Grubs, and How do They Damage Lawns? Conventional grub control methods include carbaryl and trichlorfon. You can get rid of grubs naturally by introducing natural predators, limiting the moisture your lawn receives, deploying milky spore or beneficial nematodes, using neem oil, creating a grub killer with borax, and dethatching and aerating your lawn. ![]() ![]() ![]() Signs of grub damage in your yard include yellowing grass, a lawn that looks drought-stricken, brown or patchy grass, increasing numbers of moths or beetles, and the presence of other pest species, like raccoons.They have soft, white bodies with legs near their head and are active during the spring and early summer. Grubs are the larval stages of different beetle species, including June beetles, European chafers, and Japanese beetles.Although they’re not as visible as other pests, grubs can quickly destroy your lawn, leaving it brown and patchy.
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