• Results for
    • Dendroctonus
  • (124)
Mountain Pine Beetle (Dendroctonus ponderosae) killed trees, Jasper National Park, Alberta, Canada
00593287
Jeff Foott / Mountain Pine Beetle (Dendroctonus ponderosae) killed trees, Jasper National Park, Alberta, Canada
Mountain Pine Beetle (Dendroctonus ponderosae) killed trees, Jasper National Park, Alberta, Canada
00593281
Jeff Foott / Mountain Pine Beetle (Dendroctonus ponderosae) killed trees, Jasper National Park, Alberta, Canada
Ponderosa Pine (Pinus ponderosa) dead trees killed by Mountain Pine Beetle (Dendroctonus ponderosae), El Capitan, Yosemite National Park, California
00593188
Jeff Foott / Ponderosa Pine (Pinus ponderosa) dead trees killed by Mountain Pine Beetle (Dendroctonus ponderosae), El Capitan, Yosemite National Park, California
Ponderosa Pine (Pinus ponderosa) dead tree, with pitch tube, killed by Mountain Pine Beetle (Dendroctonus ponderosae), Yosemite National Park, California
00593168
Jeff Foott / Ponderosa Pine (Pinus ponderosa) dead tree, with pitch tube, killed by Mountain Pine Beetle (Dendroctonus ponderosae), Yosemite National Park, California
Ponderosa Pine (Pinus ponderosa) dead trees killed by Mountain Pine Beetle (Dendroctonus ponderosae), Yosemite National Park, California
00593161
Jeff Foott / Ponderosa Pine (Pinus ponderosa) dead trees killed by Mountain Pine Beetle (Dendroctonus ponderosae), Yosemite National Park, California
Ponderosa Pine (Pinus ponderosa) dead trees killed by Mountain Pine Beetle (Dendroctonus ponderosae), Yosemite National Park, California
00593156
Jeff Foott / Ponderosa Pine (Pinus ponderosa) dead trees killed by Mountain Pine Beetle (Dendroctonus ponderosae), Yosemite National Park, California
Ponderosa Pine (Pinus ponderosa) dead trees killed by Mountain Pine Beetle (Dendroctonus ponderosae), Yosemite National Park, California
00593154
Jeff Foott / Ponderosa Pine (Pinus ponderosa) dead trees killed by Mountain Pine Beetle (Dendroctonus ponderosae), Yosemite National Park, California
Ponderosa Pine (Pinus ponderosa) dead trees killed by Mountain Pine Beetle (Dendroctonus ponderosae), Yosemite National Park, California
00593152
Jeff Foott / Ponderosa Pine (Pinus ponderosa) dead trees killed by Mountain Pine Beetle (Dendroctonus ponderosae), Yosemite National Park, California
Dead trees killed by Mountain pine beetle (Dendroctonus ponderosae)  Idaho, USA, August. The current outbreak of mountain pine beetles has been particularly aggressive. This is due to climate change,...
01579460
Jeff Foott / Dead trees killed by Mountain pine beetle (Dendroctonus ponderosae) Idaho, USA, August. The current outbreak of mountain pine beetles has been particularly aggressive. This is due to climate change,...
Dead 'beetle kill' trees burning in control fire in cleared camp ground. Rocky Mountain National Park, Colorado, USA, January. The current outbreak of mountain pine beetles has been particularly aggre...
01579459
Jeff Foott / Dead 'beetle kill' trees burning in control fire in cleared camp ground. Rocky Mountain National Park, Colorado, USA, January. The current outbreak of mountain pine beetles has been particularly aggre...
Dead White bark pine trees (Pinus albicaulis) killed by Mountain pine beetle (Dendroctonus ponderosae)  Grand Teton National Forest, Wyoming, USA. December. The current outbreak of mountain pine beetl...
01579458
Jeff Foott / Dead White bark pine trees (Pinus albicaulis) killed by Mountain pine beetle (Dendroctonus ponderosae) Grand Teton National Forest, Wyoming, USA. December. The current outbreak of mountain pine beetl...
Information sign about Mountain pine beetle sign.   Rocky Mountain National Park, USA, October. The current outbreak of mountain pine beetles has been particularly aggressive. This is due to climate c...
01579457
Jeff Foott / Information sign about Mountain pine beetle sign. Rocky Mountain National Park, USA, October. The current outbreak of mountain pine beetles has been particularly aggressive. This is due to climate c...
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...
01579456
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...
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. Oct...
01579454
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. Oct...
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...
01579453
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...
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...
01579452
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...
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...
01579451
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...
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...
01579450
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...
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...
01579484
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...
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...
01579483
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...
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,...
01579482
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,...
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...
01579481
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...
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...
01579480
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...
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...
01579479
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...
Dead trees killed by Mountain pine beetle (Dendroctonus ponderosae) Rocky Mountain National Park, Colorado, USA. The current outbreak of mountain pine beetles has been particularly aggressive. This is...
01579478
Jeff Foott / Dead trees killed by Mountain pine beetle (Dendroctonus ponderosae) Rocky Mountain National Park, Colorado, USA. The current outbreak of mountain pine beetles has been particularly aggressive. This is...
Saw dust (frass) at base of Lodgepole Pine tree trunk where Mountain pine beetles (Dendroctonus ponderosae) have drilled through the bark.Resin / pitch indicate the beetles' entry holes. Grand Teton N...
01579477
Jeff Foott / Saw dust (frass) at base of Lodgepole Pine tree trunk where Mountain pine beetles (Dendroctonus ponderosae) have drilled through the bark.Resin / pitch indicate the beetles' entry holes. Grand Teton N...
Mountain pine beetle ( Dendroctonus ponderosae)  trying to enter Lodgepole Pine tree, Grand Teton National Park, USA, August. The current outbreak of mountain pine beetles has been particularly aggres...
01579476
Jeff Foott / Mountain pine beetle ( Dendroctonus ponderosae) trying to enter Lodgepole Pine tree, Grand Teton National Park, USA, August. The current outbreak of mountain pine beetles has been particularly aggres...
Dead Lodgepole Pine trees killed by Mountain pine beetle (Dendroctonus ponderosae)  that have blown down creating a fire hazard.  USA, July. The current outbreak of mountain pine beetles has been part...
01579475
Jeff Foott / Dead Lodgepole Pine trees killed by Mountain pine beetle (Dendroctonus ponderosae) that have blown down creating a fire hazard. USA, July. The current outbreak of mountain pine beetles has been part...
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...
01579474
Jeff Foott / 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...
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...
01579473
Jeff Foott / 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...
Mountain pine beetle (Dendroctonus ponderosae) entrance hole into Lodgepole Pine tree with sap / pitch tube, USA, August. The current outbreak of mountain pine beetles has been particularly aggressive...
01579472
Jeff Foott / Mountain pine beetle (Dendroctonus ponderosae) entrance hole into Lodgepole Pine tree with sap / pitch tube, USA, August. The current outbreak of mountain pine beetles has been particularly aggressive...
Truck used for spraying Mountain pine beetle (Dendroctonus ponderosae) in Colorado, USA, June. The current outbreak of mountain pine beetles has been particularly aggressive. This is due to climate ch...
01579471
Jeff Foott / Truck used for spraying Mountain pine beetle (Dendroctonus ponderosae) in Colorado, USA, June. The current outbreak of mountain pine beetles has been particularly aggressive. This is due to climate ch...
Fort Collins- Colorado forest  fire seen from Estes Park. The fire was intensified by dead trees killed by the Mountain pine beetle (Dendroctonus ponderosae) Colorado, USA, June. The current outbreak...
01579470
Jeff Foott / Fort Collins- Colorado forest fire seen from Estes Park. The fire was intensified by dead trees killed by the Mountain pine beetle (Dendroctonus ponderosae) Colorado, USA, June. The current outbreak...
Fort Collins- Colorado forest  fire seen from Estes Park. The fire was intensified by dead trees killed by the Mountain pine beetle (Dendroctonus ponderosae).  Colorado, USA, June. The current outbrea...
01579469
Jeff Foott / Fort Collins- Colorado forest fire seen from Estes Park. The fire was intensified by dead trees killed by the Mountain pine beetle (Dendroctonus ponderosae). Colorado, USA, June. The current outbrea...
Dead Trees being removed from Rocky Mountain National Park, Colorado, killed by Mountain pine beetle (Dendroctonus ponderosae).  Climate change. The current outbreak of mountain pine beetles has been...
01579468
Jeff Foott / Dead Trees being removed from Rocky Mountain National Park, Colorado, killed by Mountain pine beetle (Dendroctonus ponderosae). Climate change. The current outbreak of mountain pine beetles has been...
Mountain pine beetle (Dendroctonus ponderosae)  being 'pitched out' by  pitch / resin  in Lodgepole pine tree, Grand Teton National Park, Wyoming, USA.  The current outbreak of mountain pine b...
01579467
Jeff Foott / Mountain pine beetle (Dendroctonus ponderosae) being 'pitched out' by pitch / resin in Lodgepole pine tree, Grand Teton National Park, Wyoming, USA. The current outbreak of mountain pine b...
Dead Mountain pine beetle (Dendroctonus ponderosae)  'pitched out' by pitch / resin in Lodgepole pine tree, Grand Teton National Park, Wyoming, USA. August. The current outbreak of mountain pine beetl...
01579466
Jeff Foott / Dead Mountain pine beetle (Dendroctonus ponderosae) 'pitched out' by pitch / resin in Lodgepole pine tree, Grand Teton National Park, Wyoming, USA. August. The current outbreak of mountain pine beetl...
Dead Mountain pine beetle (Dendroctonus ponderosae)  'pitched out' by pitch / resin in Lodgepole pine tree, Grand Teton National Park, Wyoming, USA. August. The current outbreak of mountain pine beetl...
01579465
Jeff Foott / Dead Mountain pine beetle (Dendroctonus ponderosae) 'pitched out' by pitch / resin in Lodgepole pine tree, Grand Teton National Park, Wyoming, USA. August. The current outbreak of mountain pine beetl...
Dead Mountain pine beetle (Dendroctonus ponderosae)  'pitched out' by pitch / resin in Lodgepole pine tree, Grand Teton National Park, Wyoming, USA. August. The current outbreak of mountain pine beetl...
01579464
Jeff Foott / Dead Mountain pine beetle (Dendroctonus ponderosae) 'pitched out' by pitch / resin in Lodgepole pine tree, Grand Teton National Park, Wyoming, USA. August. The current outbreak of mountain pine beetl...
Lodgepole pine tree pitch tube, part of tree defence against Mountain pine beetles (Dendroctonus ponderosae) Grand Teton National Park, Wyoming.  USA. The current outbreak of mountain pine beetles has...
01579463
Jeff Foott / Lodgepole pine tree pitch tube, part of tree defence against Mountain pine beetles (Dendroctonus ponderosae) Grand Teton National Park, Wyoming. USA. The current outbreak of mountain pine beetles has...
Mountain pine beetle (Dendroctonus ponderosae)   'pitched out' by  pitch / resin  in Lodgepole pine tree, Grand Teton National Park, Wyoming, USA, August. The current outbreak of mountain pine beetles...
01579462
Jeff Foott / Mountain pine beetle (Dendroctonus ponderosae) 'pitched out' by pitch / resin in Lodgepole pine tree, Grand Teton National Park, Wyoming, USA, August. The current outbreak of mountain pine beetles...
Sign forbidding collection of firewood from trees killed by Mountain pine beetle larvae (Dendroctonus ponderosae) in order to prevent spread of beetle. Custer State Park, South Dakota, USA, July. The...
01579461
Jeff Foott / Sign forbidding collection of firewood from trees killed by Mountain pine beetle larvae (Dendroctonus ponderosae) in order to prevent spread of beetle. Custer State Park, South Dakota, USA, July. The...
Aerial photograph of  Lodgepole Pine forest (Pinus contorta) with many dead trees killed by Mountain pine beetle (Dendroctonus ponderosae) Granby, Colorado, USA. October. The current outbreak of mount...
01579455
Jeff Foott / Aerial photograph of Lodgepole Pine forest (Pinus contorta) with many dead trees killed by Mountain pine beetle (Dendroctonus ponderosae) Granby, Colorado, USA. October. The current outbreak of mount...
Mountain pine beetle (Dendroctonus ponderosae)  pupa in Lodgepole Pine, Wyoming, USA, August. The current outbreak of mountain pine beetles has been particularly aggressive. This is due to climate cha...
01579490
Jeff Foott / Mountain pine beetle (Dendroctonus ponderosae) pupa in Lodgepole Pine, Wyoming, USA, August. The current outbreak of mountain pine beetles has been particularly aggressive. This is due to climate cha...
Mountain pine beetle (Dendroctonus ponderosae)  pupa in Lodgepole Pine,  Teton National Park, Wyoming, USA, August. The current outbreak of mountain pine beetles has been particularly aggressive. This...
01579489
Jeff Foott / Mountain pine beetle (Dendroctonus ponderosae) pupa in Lodgepole Pine, Teton National Park, Wyoming, USA, August. The current outbreak of mountain pine beetles has been particularly aggressive. This...
Larvae of 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 aggres...
01579488
Jeff Foott / Larvae of 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 aggres...
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...
01579487
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...
Mountain pine beetle (Dendroctonus ponderosae)  larvae in horizontal tunnels that eventually will kill the tree. in Lodgepole Pine, Grand Teton National Park, Wyoming, USA, August. The current outbrea...
01579486
Jeff Foott / Mountain pine beetle (Dendroctonus ponderosae) larvae in horizontal tunnels that eventually will kill the tree. in Lodgepole Pine, Grand Teton National Park, Wyoming, USA, August. The current outbrea...
Mountain pine beetle( Dendroctonus ponderosae)  trying to enter  Lodgepole Pine tree, Grand Teton National Park, Wyoming, USA, August. The current outbreak of mountain pine beetles has been particular...
01579485
Jeff Foott / Mountain pine beetle( Dendroctonus ponderosae) trying to enter Lodgepole Pine tree, Grand Teton National Park, Wyoming, USA, August. The current outbreak of mountain pine beetles has been particular...
Mountain Pine Beetle (Dendroctonus ponderosae) group of dead adults on penny, Colorado
00558919
Jeff Foott / Mountain Pine Beetle (Dendroctonus ponderosae) group of dead adults on penny, Colorado
Mountain Pine Beetle (Dendroctonus ponderosae) on hand, Colorado
00558917
Jeff Foott / Mountain Pine Beetle (Dendroctonus ponderosae) on hand, Colorado
Mountain Pine Beetle (Dendroctonus ponderosae) eradication truck, Colorado
00558913
Jeff Foott / Mountain Pine Beetle (Dendroctonus ponderosae) eradication truck, Colorado
Mountain Pine Beetle (Dendroctonus ponderosae) killed trees fueling forest fire, Colorado
00558912
Jeff Foott / Mountain Pine Beetle (Dendroctonus ponderosae) killed trees fueling forest fire, Colorado
Mountain Pine Beetle (Dendroctonus ponderosae) prevention by spraying pesticides, Grand Lake, Colorado
00558911
Jeff Foott / Mountain Pine Beetle (Dendroctonus ponderosae) prevention by spraying pesticides, Grand Lake, Colorado
Mountain Pine Beetle (Dendroctonus ponderosae) pair killed by resin, Colorado
00558878
Jeff Foott / Mountain Pine Beetle (Dendroctonus ponderosae) pair killed by resin, Colorado
Mountain Pine Beetle (Dendroctonus ponderosae) killed Lodgepole Pine (Pinus contorta), Grand Teton National Park, Wyoming
00558843
Jeff Foott / Mountain Pine Beetle (Dendroctonus ponderosae) killed Lodgepole Pine (Pinus contorta), Grand Teton National Park, Wyoming
Lodgepole Pine (Pinus contorta) tree with pheromone packet to deter an attack from Mountain Pine Beetle (Dendroctonus ponderosae), Colorado
00558842
Jeff Foott / Lodgepole Pine (Pinus contorta) tree with pheromone packet to deter an attack from Mountain Pine Beetle (Dendroctonus ponderosae), Colorado
Mountain Pine Beetle (Dendroctonus ponderosae) on match, Colorado
00558841
Jeff Foott / Mountain Pine Beetle (Dendroctonus ponderosae) on match, Colorado
Mountain Pine Beetle (Dendroctonus ponderosae) killed Whitebark Pine (Pinus albicaulis) trees, Bridger-Teton National Forest, Wyoming
00558840
Jeff Foott / Mountain Pine Beetle (Dendroctonus ponderosae) killed Whitebark Pine (Pinus albicaulis) trees, Bridger-Teton National Forest, Wyoming
Mountain Pine Beetle (Dendroctonus ponderosae) killed Whitebark Pine (Pinus albicaulis) trees, Bridger-Teton National Forest, Wyoming
00558839
Jeff Foott / Mountain Pine Beetle (Dendroctonus ponderosae) killed Whitebark Pine (Pinus albicaulis) trees, Bridger-Teton National Forest, Wyoming
Mountain Pine Beetle (Dendroctonus ponderosae) killed Whitebark Pine (Pinus albicaulis) trees, Bridger-Teton National Forest, Wyoming
00558838
Jeff Foott / Mountain Pine Beetle (Dendroctonus ponderosae) killed Whitebark Pine (Pinus albicaulis) trees, Bridger-Teton National Forest, Wyoming
Lodgepole Pine (Pinus contorta) forest killed by Mountain Pine Beetle (Dendroctonud ponderosae), Colorado
00558832
Jeff Foott / Lodgepole Pine (Pinus contorta) forest killed by Mountain Pine Beetle (Dendroctonud ponderosae), Colorado
Lodgepole Pine (Pinus contorta) forest killed by Mountain Pine Beetle (Dendroctonud ponderosae), Colorado
00558831
Jeff Foott / Lodgepole Pine (Pinus contorta) forest killed by Mountain Pine Beetle (Dendroctonud ponderosae), Colorado
Mountain Pine Beetle (Dendroctonus ponderosae) killed Whitebark Pine (Pinus albicaulis) trees, Bridger-Bridger-Teton National Forest, Wyoming
00558830
Jeff Foott / Mountain Pine Beetle (Dendroctonus ponderosae) killed Whitebark Pine (Pinus albicaulis) trees, Bridger-Bridger-Teton National Forest, Wyoming
Mountain Pine Beetle (Dendroctonus ponderosae) killed trees, Rocky Mountain National Park, Colorado
00558829
Jeff Foott / Mountain Pine Beetle (Dendroctonus ponderosae) killed trees, Rocky Mountain National Park, Colorado
Mountain Pine Beetle (Dendroctonus ponderosae) killed Lodgepole Pine (Pinus contorta) forest, Colorado
00558828
Jeff Foott / Mountain Pine Beetle (Dendroctonus ponderosae) killed Lodgepole Pine (Pinus contorta) forest, Colorado
Mountain Pine Beetle (Dendroctonus ponderosae) killed trees, Colorado
00558822
Jeff Foott / Mountain Pine Beetle (Dendroctonus ponderosae) killed trees, Colorado
Mountain Pine Beetle (Dendroctonus ponderosae) pupa in Lodgepole Pine (Pinus contorta), Wyoming
00558821
Jeff Foott / Mountain Pine Beetle (Dendroctonus ponderosae) pupa in Lodgepole Pine (Pinus contorta), Wyoming
Lodgepole Pine (Pinus contorta) pitch tubes, showing where Mountain Pine Beetle (Dendroctonus ponderosae) attacked tree, and tree tried to pitch it out, Colorado
00558820
Jeff Foott / Lodgepole Pine (Pinus contorta) pitch tubes, showing where Mountain Pine Beetle (Dendroctonus ponderosae) attacked tree, and tree tried to pitch it out, Colorado
Mountain Pine Beetle (Dendroctonus ponderosae) larvae under tree bark, Grand Teton National Park, Wyoming
00558819
Jeff Foott / Mountain Pine Beetle (Dendroctonus ponderosae) larvae under tree bark, Grand Teton National Park, Wyoming
Mountain Pine Beetle (Dendroctonus ponderosae) larvae under tree bark, Grand Teton National Park, Wyoming
00558818
Jeff Foott / Mountain Pine Beetle (Dendroctonus ponderosae) larvae under tree bark, Grand Teton National Park, Wyoming
Mountain Pine Beetle (Dendroctonus ponderosae) larva under tree bark, Grand Teton National Park, Wyoming
00558817
Jeff Foott / Mountain Pine Beetle (Dendroctonus ponderosae) larva under tree bark, Grand Teton National Park, Wyoming
Mountain Pine Beetle (Dendroctonus ponderosae) in tunnel under bark, Colorado
00558816
Jeff Foott / Mountain Pine Beetle (Dendroctonus ponderosae) in tunnel under bark, Colorado
Mountain Pine Beetle (Dendroctonus ponderosae) in tunnel under bark, Colorado
00558815
Jeff Foott / Mountain Pine Beetle (Dendroctonus ponderosae) in tunnel under bark, Colorado
Mountain Pine Beetle (Dendroctonus ponderosae) successfully 'pitched out' by tree defense, Grand Teton National Park, Wyoming
00558773
Jeff Foott / Mountain Pine Beetle (Dendroctonus ponderosae) successfully 'pitched out' by tree defense, Grand Teton National Park, Wyoming
Mountain Pine Beetle (Dendroctonus ponderosae) killed Lodgepole Pine (Pinus contorta) forest with some healthy trees, Colorado
00558772
Jeff Foott / Mountain Pine Beetle (Dendroctonus ponderosae) killed Lodgepole Pine (Pinus contorta) forest with some healthy trees, Colorado
Mountain Pine Beetle (Dendroctonus ponderosae) killed tree, Rocky Mountain National Park, Colorado
00558770
Jeff Foott / Mountain Pine Beetle (Dendroctonus ponderosae) killed tree, Rocky Mountain National Park, Colorado
Mountain Pine Beetle (Dendroctonus ponderosae) killed trees, Rocky Mountain National Park, Colorado
00558768
Jeff Foott / Mountain Pine Beetle (Dendroctonus ponderosae) killed trees, Rocky Mountain National Park, Colorado
Pine trees (Pinus sp) killed by Mountain pine beetles (Dendroctonus ponderosae) Rocky Mountain National Park, Colorado, USA
01240572
Shattil & Rozinski / Pine trees (Pinus sp) killed by Mountain pine beetles (Dendroctonus ponderosae) Rocky Mountain National Park, Colorado, USA
Forest with Aspen and Pine trees killed by Mountain pine beetles (Dendroctonus ponderosae) Rocky Mountain National Park, Colorado, USA
01240578
Shattil & Rozinski / Forest with Aspen and Pine trees killed by Mountain pine beetles (Dendroctonus ponderosae) Rocky Mountain National Park, Colorado, USA
Bark Beetle (Dendroctonus pseudotsugae) larvae with radiating galleries in Douglas Fir (Pseudotsuga menziesii) tree, Flat Creek, University of Idaho Forest, Idaho
00128240
Mark Moffett / Bark Beetle (Dendroctonus pseudotsugae) larvae with radiating galleries in Douglas Fir (Pseudotsuga menziesii) tree, Flat Creek, University of Idaho Forest, Idaho
Bark Beetle (Dendroctonus pseudotsugae) larvae with radiating galleries in Douglas Fir (Pseudotsuga menziesii) tree, University of Idaho Forest, Idaho
00128236
Mark Moffett / Bark Beetle (Dendroctonus pseudotsugae) larvae with radiating galleries in Douglas Fir (Pseudotsuga menziesii) tree, University of Idaho Forest, Idaho
Bark Beetle (Dendroctonus pseudotsugae) larvae with radiating galleries in Douglas Fir (Pseudotsuga menziesii) tree, Flat Creek, University of Idaho Forest, Idaho
00128241
Mark Moffett / Bark Beetle (Dendroctonus pseudotsugae) larvae with radiating galleries in Douglas Fir (Pseudotsuga menziesii) tree, Flat Creek, University of Idaho Forest, Idaho
Bark Beetle (Dendroctonus pseudotsugae) larvae riddles Fir trees with channels where larvae will mature, Flat Creek, Idaho
00126086
Mark Moffett / Bark Beetle (Dendroctonus pseudotsugae) larvae riddles Fir trees with channels where larvae will mature, Flat Creek, Idaho
Mountain Pine Beetle (Dendroctonus ponderosae) killed trees, Jasper National Park, Alberta, Canada
00593317
Jeff Foott / Mountain Pine Beetle (Dendroctonus ponderosae) killed trees, Jasper National Park, Alberta, Canada
Mountain Pine Beetle (Dendroctonus ponderosae) killed trees, Jasper National Park, Alberta, Canada
00593289
Jeff Foott / Mountain Pine Beetle (Dendroctonus ponderosae) killed trees, Jasper National Park, Alberta, Canada
Mountain Pine Beetle (Dendroctonus ponderosae) killed trees, Jasper National Park, Alberta, Canada
00593293
Jeff Foott / Mountain Pine Beetle (Dendroctonus ponderosae) killed trees, Jasper National Park, Alberta, Canada
Mountain Pine Beetle (Dendroctonus ponderosae) killed trees, Jasper National Park, Alberta, Canada
00593288
Jeff Foott / Mountain Pine Beetle (Dendroctonus ponderosae) killed trees, Jasper National Park, Alberta, Canada
Mountain Pine Beetle (Dendroctonus ponderosae) killed trees, Jasper National Park, Alberta, Canada
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Jeff Foott / Mountain Pine Beetle (Dendroctonus ponderosae) killed trees, Jasper National Park, Alberta, Canada
Mountain Pine Beetle (Dendroctonus ponderosae) killed trees, Jasper National Park, Alberta, Canada
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Jeff Foott / Mountain Pine Beetle (Dendroctonus ponderosae) killed trees, Jasper National Park, Alberta, Canada
Mountain Pine Beetle (Dendroctonus ponderosae) killed trees, Jasper National Park, Alberta, Canada
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Jeff Foott / Mountain Pine Beetle (Dendroctonus ponderosae) killed trees, Jasper National Park, Alberta, Canada
Ponderosa Pine (Pinus ponderosa) dead tree, with black fungus, killed by Mountain Pine Beetle (Dendroctonus ponderosae), Yosemite National Park, California
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Jeff Foott / Ponderosa Pine (Pinus ponderosa) dead tree, with black fungus, killed by Mountain Pine Beetle (Dendroctonus ponderosae), Yosemite National Park, California
Ponderosa Pine (Pinus ponderosa) dead trees killed by Mountain Pine Beetle (Dendroctonus ponderosae), Half Dome, Yosemite National Park, California
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Jeff Foott / Ponderosa Pine (Pinus ponderosa) dead trees killed by Mountain Pine Beetle (Dendroctonus ponderosae), Half Dome, Yosemite National Park, California
Ponderosa Pine (Pinus ponderosa) dead tree, with pitch tube, killed by Mountain Pine Beetle (Dendroctonus ponderosae), Yosemite National Park, California
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Jeff Foott / Ponderosa Pine (Pinus ponderosa) dead tree, with pitch tube, killed by Mountain Pine Beetle (Dendroctonus ponderosae), Yosemite National Park, California
Ponderosa Pine (Pinus ponderosa) dead tree, with pitch tube, killed by Mountain Pine Beetle (Dendroctonus ponderosae), Yosemite National Park, California
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Jeff Foott / Ponderosa Pine (Pinus ponderosa) dead tree, with pitch tube, killed by Mountain Pine Beetle (Dendroctonus ponderosae), Yosemite National Park, California
Ponderosa Pine (Pinus ponderosa) dead trees killed by Mountain Pine Beetle (Dendroctonus ponderosae), Yosemite National Park, California
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Jeff Foott / Ponderosa Pine (Pinus ponderosa) dead trees killed by Mountain Pine Beetle (Dendroctonus ponderosae), Yosemite National Park, California