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Managing a difficult insect pest on houseplants a challenge
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COURTESY PHOTO melindamyers.com Scale insects may be dining on your houseplant if you notice a sticky substance on its leaves and bumps on the upper and lower surface of the plant’s leaves and stems.
A sticky substance on plant leaves, plant stands, and the floor are often the first clue alerting gardeners to a problem. If a closer look reveals bumps on the upper and lower surface of leaves and stems, it means scale insects have moved in to dine on your houseplants. Severe infestations can cause leaf yellowing, stunting and dieback of the plant.