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Invasive Spotted Lanternfly Detected in East Tennessee

By Ronni Chase Sep 18, 2025 | 5:29 PM

The Tennessee Department of Agriculture (TDA) has confirmed the discovery of Spotted Lanternfly in Knox Couny (SLF).

SLF are invasive insects that attack a wide variety of plants, from grapevines and fruit trees to hardwoods. They deposit egg masses on nearly any solid object, including vehicles, trailers, firewood, outdoor gear, furniture, and toys. People and their belongings can unknowingly carry these eggs, allowing the pest to spread far beyond its original range.

If you see SLF or an egg mass, take photos and report the sighting at protecttnforests.org.

Next, stomp the insect and destroy egg masses by smashing them or dousing them with rubbing alcohol. (Photo sourced via TDA submitted photos.)