![]() Eggs are laid on the bottom side of leafy plants and hatch young nymphs which are similar to the adult but more round. In fact they’re commonly mistaken for a ladybug during this first instar stage. In a short while after they hatch, they’ll immediately begin to feed and grow eventually becoming reproducing adults by summers end. HARLEQUIN DAMAGE ^Īnyone growing vegetables that get infested with harlequins know the rapid damage they can produce. Their piercing sucking mouth parts will extract vital plant juice which essentially result in “sucked to death” disease. Initially you’ll see wilting leaves and stems that will soon turn brown and die. INVADING HARLEQUIN BUGS ^Īs adult harlequins exhaust their host plants, they’ll initially migrate looking for a good place on which to lay eggs. But in residential areas, it could be a tree. Harlequin adults don’t die in the fall and generally live a few years. As fall arrives, they’ll migrate onto homes and trees looking for nooks and gaps in which to rest protected from the cold air of winter. When roosting on a home, they typically hide behind rain gutters, around window shutters, under window sashes and up under siding. ![]() HOW TO TREAT HARLEQUIN BUGS IN THE GARDEN ^ In general they’ll stay in these areas until the following spring but its not uncommon to find them inside living areas if your home is heavily infested. Harlequin bugs in the garden can be controlled using MULTI PURPOSE INSECT KILLER. ![]() This concentrate is approved for organic gardening and yet is still strong enough to penetrate the harlequins tough outer shell. Mix 6 oz per gallon of water and cover all infested plants by treating after dinner, just before dusk. Expect to treat at least twice with the second treatment done 7 days after the first. Use a good PUMP SPRAYER to make the application and don’t leave any of the mixed solution sit in the tank. ![]() In other words, use up what you mix so it won’t turn bad. ![]()
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