The honeydew also builds up and promotes the growth for sooty mold (fungi), which can cover the plant, forest understories, patio furniture, cars, and anything else found below SLF feeding. The feeding damage significantly stresses the plants which can lead to decreased health and potentially death.Īs SLF feeds, the insect excretes honeydew (a sugary substance) which can attract bees, wasps, and other insects. It has a strong preference for economically important plants including grapevines, maple trees, black walnut, birch, willow, and other trees. The spotted lanternfly uses its piercing-sucking mouthpart to feed on sap from over 70 different plant species. If not contained, spotted lanternfly potentially could drain Pennsylvania’s economy of at least $324 million annually, according to a study carried out by economists at Penn State. SLF is a serious invasive pest with a healthy appetite for our plants and it can be a significant nuisance, affecting the quality of life and enjoyment of the outdoors.
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