Caption
Cross section through trunk of tree infected with Mountain pine beetle larvae (Dendroctonus ponderosae). Note dark stain from fungus transported by the beetle. Grand Teton National Park, Wyoming, USA. June.The current outbreak of mountain pine beetles has been particularly aggressive. This is due to climate change, monoculture planting of trees and fire suppression.
Availability
Only inBelgium, Canada, France, Luxembourg, Switzerland