The Type of Pearls No One Wants
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Collapse ▲Ground pearls (Margarodidae) are one of the most invasive lawn pests in Brunswick County, wreaking havoc on lawns across our coastal communities. Often misdiagnosed, these pesky small scale insects can cause irreversible damage.
Cysts are the waxy balls produced by immature ground pearls for protection against the environment and natural enemies. Cysts also inhibit the contact of insecticide solutions with the ground pearls. Photo by Meg Williamson, Clemson University Plant and Pest Diagnostic Clinic
Have you resodded your lawn only to have the same dead bare areas? Do you have dying-out areas in your lawn and have treated with fungicide/insecticide with no relief? These may be your lawn’s issue! Centipede is the most susceptible grass type since its growth is the slowest, with Zoysia as a close second with damage. While well maintained, Bermuda grass is the least affected and our recommendation for lawn replacements. There are no chemical or mechanical controls to this pest recommended by N.C. State University at this time, making changing turf types one of the only options.
Ground pearl cysts and adult; D. S. Reiland
Searching for ground pearls is fairly simple. Find the transition zone where the healthy turf and dead areas meet and dig a 4″-6″ hole in the soil. Normally you can find them in the rootzone of the turfgrass, they’re smaller than the size of a BB. They are shiny yellow in the springtime during their nymph stage. During the summer they have grown to adulthood and are bright pink and easy to spot.
If you need help determining if you have ground pearls or not, bring some samples of your soil by to our office at N.C. Cooperative Extension – Brunswick County Center 25 Referendum Dr, Building N, Bolivia, NC 28422
Please call (910) 253-2610 for more information.