Jeff Foott / Dead trees killed by Mountain pine beetle (Dendroctonus ponderosae) Rocky Mountain National Park, Colorado, USA. October. The current outbreak of mountain pine beetles has been particularly aggressi...

Jeff Foott / Aerial photograph of Lodgepole Pine forest (Pinus contorta) with dead trees killed by Mountain pine beetle (Dendroctonud ponderosae) Clear cut areas only have young trees. Granby, Colorado, USA. Octob...

Jeff Foott / Lodgepole pine forest (Pinus contorta) with trees killed by Mountain pine beetle (Dendroctonus ponderosae) Rocky Mountain National Park, Colorado, USA. October. The current outbreak of mountain pine b...

Jeff Foott / Elk (Cervus elaphus canadensis) and dead trees killed by Mountain pine beetle infestation (Dendroctonus ponderosae), Rocky Mountain National Park, Colorado, USA. September. The current outbreak of mou...

Jeff Foott / Mountain pine beetle (Dendroctonus ponderosae) larva on American coin for scale. Wyoming, USA, August. The current outbreak of mountain pine beetles has been particularly aggressive. This is due to...

Jeff Foott / Mountain pine beetle (Dendroctonus ponderosae) pupa in Lodgepole Pine tree, Wyoming. The current outbreak of mountain pine beetles has been particularly aggressive. This is due to climate change, mo...

Jeff Foott / Mountain pine beetle (Dendroctonus ponderosae) male and female in Lodgepole Pine tree, Grand Teton National Park, Wyoming, USA, August. The current outbreak of mountain pine beetles has been particula...

Jeff Foott / Mountain pine beetle (Dendroctonus ponderosae) in Lodgepole Pine, Grand Teton National Park, Wyoming, USA, August. The current outbreak of mountain pine beetles has been particularly aggressive. This...

Jeff Foott / Harvesting beetle killed trees near Rocky Mountain National Park, Colorado, USA, October. The current outbreak of mountain pine beetles has been particularly aggressive. This is due to climate change,...

Jeff Foott / Beetle killed tree clean up truck, near Rocky Mountain National Park, Colorado, USA, September. The current outbreak of mountain pine beetles has been particularly aggressive. This is due to climate c...

Jeff Foott / Warning sign to cut down trees killed by Mountain pine beetle (Dendroctonus ponderosae) because of the fire hazard. Sign is near Dubois, Wyoming, USA. The crrent outbreak of mountain pine beetles ha...

Jeff Foott / Dead White bark pine trees (Pinus albicaulis) killed by Mountain pine beetle (Dendroctonus ponderosa,) Grand Teton National Forest, Wyoming, USA. The current outbreak of mountain pine beetles has bee...