06/05/2026
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It's beautiful. Red underwings. Spotted gray overwings. It looks like a moth designed by a jeweler.
Kill it.
The spotted lanternfly (Lycorma delicatula) is one of the most destructive invasive insects to hit North America in decades. Native to Asia, it was first detected in Pennsylvania in 2014.
It's now confirmed in 17+ states and spreading fast.
It feeds on over 70 plant species. Grapes. Hops. Apples. Peaches. Maples. Oaks. Walnuts. Willows. It pierces stems and sucks sap, weakening and killing plants.
But the worst part is the honeydew. It excretes massive amounts of sticky honeydew that coats everything below — leaves, cars, patios, sidewalks. The honeydew grows sooty mold that blocks photosynthesis and kills the understory.
The wine industry alone faces billions in potential losses.
They spread by hitchhiking. They lay egg masses on ANY smooth surface — cars, trailers, lawn furniture, firewood, shipping containers, railroad cars. One egg mass contains 30-50 eggs.
You can move them across state lines without knowing it.
What to do:
KILL any you see. Stomp them. They're slow hoppers.
Check your car, trailer, and outdoor furniture for egg masses before traveling — tan/brown, mud-like patches 1-2 inches long on smooth surfaces. Scrape and destroy them.
Report sightings to your state department of agriculture — especially if you're outside the known range.
Circle-of-death traps on tree trunks (sticky band with a cage guard to protect birds) work well.
Neem oil and insecticidal soap kill nymphs.
Remove tree-of-heaven (Ailanthus altissima) from your property — it's their preferred host.
This is one of the rare cases where killing an animal is the conservation act.
Stomp. Scrape. Report.