Emerald ash borer
Agrilus planipennis
Invasive summary
A wood-boring beetle that attacks ash trees and has spread widely in North America.
Known impacts
Kills ash trees, changes forest composition, and creates major urban tree management costs.
Management notes
Use quarantines, firewood movement controls, detection surveys, biological control, and targeted treatment.
Native range
East Asia
Regions where reported
- CA - 40 public points
- US - 40 public points