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Spotted Lanternfly

Spotted Lanternfly

The spotted lanternfly is a threat to many fruit crops and trees. Learn to spot it and report it.

The Spotted Lanternfly (Lycorma delicatula) is native to China and was first detected in Pennsylvania in September 2014. Spotted lanternfly feeds on a wide range of fruit, ornamental and woody trees, with tree-of-heaven being one of the preferred hosts. Spotted lanternflies are invasive and can be spread long distances by people who move infested material or items containing egg masses. If allowed to spread in the United States, this pest could seriously impact the country’s grape, orchard, and logging industries.

  • Almonds
  • Apples
  • Apricots
  • Cherries
  • Grapes
  • Hops
  • Maple Trees
  • Nectarines
  • Oak Trees
  • Peaches
  • Pine Trees
  • Plums
  • Poplar Trees
  • Sycamore Trees
  • Walnut Trees
  • Willow Trees
  • People spread the insect by moving infested material or items containing egg masses.
  • Plants that ooze or weep and have a fermented odor
  • Buildup of sticky fluid (honeydew) on plants and on the ground underneath infested plants
  • Sooty mold on infested plants
  • Inspect your trees and plants for signs of this pest, particularly at dusk and at night when the insects tend to gather in large groups on the trunks or stems of plants.
  • Inspect trees (in particular, tree of heaven), bricks, stone, and other smooth surfaces for egg masses.
  • If you find an insect that you suspect is the spotted lanternfly, please contact your local Extension office or State Plant Regulatory Official to have the specimen identified properly.
  • Locate the Extension specialist near you
  • Contact your State Plant Regulatory Official 
  • If you live In Pennsylvania, use the interactive plant pest quarantine map to see if you’re in the spotted lanternfly quarantine. If you are:
    • in the quarantine area, this YouTube video shows how to identify, remove, and destroy SLF egg masses. 
    • in other parts of Pennsylvania, report it to the Pennsylvania Department of Agriculture by emailing a photo of the egg mass to or call 888-4-BADFLY (223359).


What's at Risk from the Spotted Lanternfly:

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