Spongy moth
Lymantria dispar
Invasive summary
A defoliating moth whose larvae feed on many hardwood trees.
Known impacts
Outbreaks can defoliate forests, weaken trees, and disrupt recreation and residential areas.
Management notes
Use monitoring, egg mass surveys, targeted treatment, and slow-the-spread programs.
Native range
Europe and Asia
Regions where reported
- CA - 40 public points
- US - 40 public points