If you've stepped outside lately and spotted a bug with gray wings and a flash of crimson underneath, you're not imagining things—the spotted lanternfly is back. These invasive pests have returned to New Jersey in full force, and while they may look striking, they’re causing serious trouble for our environment.
After reading about how lanternflies are devastating Virginia's vineyards, I looked for updates from our own state. As of summer 2025, lanternflies are active across the Garden State, especially in North Jersey, where their populations are most concentrated. By now, they’ve reached their adult phase and will remain active until the first hard freeze. You’ll likely find them clinging to trees, hopping around your garden, or even hitching a ride on your car.
adult
Spotted lanternflies aren’t just a nuisance—they’re a threat to our local ecosystem. These insects feed on over 70 types of plants, including grapevines, maples, black walnuts, and fruit trees.
Their feeding weakens plants and leaves behind a sticky substance called honeydew, which attracts other pests and promotes mold growth. That means your backyard trees, local vineyards, and even public parks could be at risk.
One of the lanternfly’s favorite hangouts is the Tree of Heaven, itself an invasive species. These trees serve as prime egg-laying spots, making them a key target for control efforts. If you have one on your property, consider removal or treatment—it’s a proactive step in curbing the spread of the lanternfly.
New Jersey isn’t sitting idle. The state has extended grants to counties and municipalities to support lanternfly control efforts through 2026. But officials can’t do it alone—citizen action is crucial. So, here’s how you can help:
Stomp them: Yes, really. Squashing lanternflies is encouraged.
Report sightings: Use the NJ Department of Agriculture’s online portal to log infestations.
Check your car: Lanternflies love to hitch rides. Inspect your vehicle before traveling.
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