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Posted on: July 17, 2019

Resources For Fighting The Spotted Lanternfly

The Spotted Lanternfly (SLF) has the potential to greatly impact agricultural crops such as grapes, hops, and hardwoods. It is also reducing the quality of life for people living in heavily infested areas.

What do they look like:


They have multiple stages of life:

- Egg masses: found on trees (September through May)

- Early nymphs: black with white spots (April through October)

- Late nymphs: black and red with white spots (April through October)

- Adults: black bugs with white/red wings and black spots (July through November)

What are they and why are they bad?

- Invasive planthoppers native to eastern Asia

- First spotted in Pennsylvania in Berks County (2014)

- Attracted to tree-of-heaven, but can greatly impact agricultural crops

- Can reduce the quality of life for people living in heavily infested areas

What do I do if I see one?

- Quarantine them. Inspect your vehicles and other items before transporting them; remove any insects before changing locations so their presence does not spread.

- Scrape eggs off of surfaces where you see them.

- Apply insecticides or pesticides.

- Report your sightings. 

For questions or to report a spotted lanternfly sighting, you can call 1-888-4BAD-FLY (1-888-422-3359).

You can also report a sighting here:

For more information:

Penn State Extension

Pennsylvania Department of Agriculture 

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