The Lycorma delicatula, or spotted lanternfly, is an invasive bug that “seriously threatened ecosystems and farming.” First found in Pennsylvania in 2014, it spread rapidly, harming crops, trees, and plants.

Lanternflies weaken plants by feeding on their sap, making them “more likely to get sick or stressed.” They also produce sticky honeydew, which leads to sooty mold that “blocks sunlight and slows down photosynthesis,” further damaging plants.

Adult lanternflies are “gray with a brownish background and lots of black spots,” while their wings reveal a “beautiful red and black pattern” when open. Young nymphs are black with white spots and turn red before adulthood.

These insects attack “a wide range of hardwood trees, such as maples, grapes, pears, hops,” depleting plant resources and stunting growth. Infestations have “caused a drop in the production of crops, including grapes,” and harmed urban greenery.

If you see a lanternfly, “squash the nymphs and adults” or destroy egg masses that look like “muddy streaks on rocks, trees, or other objects.” Report sightings to local authorities, as “everyone in the community is always very aware” and working together can limit the spread.