Spotted Lantern Fly

 

WHAT IS THE SPOTTED LANTERN FLY?

The Spotted Lanternfly (SLF) is a newly identified pest in southeast Pennsylvania.  It can damage many plants including fruit and hardwood trees and grapes.  SLF can also cause serious damage to yards, open spaces, plant nurseries, tree farms, and vineyards.  Chester County, along with 12 other counties in southeast PA, is under quarantine for this pest.  If we do not control its spread, other states or countries could restrict the transport of PA products.

 

HOW TO IDENTIFY THE SPOTTED LANTERN FLY

  The young nymphs are black with white spots and can be present from May until October.
  The older nymphs are black and red with white spots and can be present from June until October.
  The adults (shown at rest) can be present from July until late December. The adults are 1 to 1 1/4 inches long.
  An adult showing the red underwings when disturbed.
  The egg masses can be on trees, rocks, or any other solid object and can be present from September through May.
  The empty remains of the eggs that have hatched can be found at any time of the year.

 

WHAT TO DO IF YOU SEE THE SPOTTED LANTERN FLY

Destroy the eggs. Using a plastic putty knife or similar tool, scrape off the egg mass into a plastic bag containing rubbing alcohol or hand sanitizer. Make sure all of the mass is doused in the liquid. Double bag it and dispose. The egg masses can be on trees or any outdoor hard, smooth surface (e.g. patio furniture, toys, hardscaping, vehicles, firewood, nursery stock, and other stored items.

 

For more detailed information, read the In-Depth Report prepared by the Environmental Advisory Counsel. This report provides additional strategies to stop this pest and lists links to articles, pictures, videos and other websites.

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