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sooty mold caused by spotted lanternfly

sooty mold caused by spotted lanternfly

Sooty mold, such as shown in this example at the base of a tree, results from a combination of sap flows caused by the spotted lanternfly (Lycorma delicatula) and honeydew excreted by the insect. (Photo credit: Lawrence Barringer, Pennsylvania Department of Agriculture, Bugwood.org)

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