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In the forests of the Front Range Rocky Mountain foothills, pine bark beetle holes and burrow tracks remain carved in the wood after the bark has fallen off a Ponderosa pine tree in Morrison, Colorado.
Nature... This tight shot of a tree trunk, shows evidence of the destruction done by the Emerald Ash Borer. This tree has long since died.
The texture of an old, dry tree without bark, gnawed by a bark beetle.
Bark beetle damage on dead pine tree. Utah, USA.
Close-up view of tree bark with intricate patterns made by bark beetles. Detailed texture of natural wood surface
Traces of the emerald ash borer on the trunk of a dead ash in Michigan - like the death sentence for the tree, written under the bark; the emerald ash borer (Agrilus planipennis or Agrilus marcopoli) is a non-native invasive insect from Asia; the green beetle, accidentally introduced by overseas shipping containers into the USA, spread from Michigan through the Midwest and threatens to kill most of the ash trees in North America; shallow DOF
Tree bark infested with bark beetle, galleries and single winding tracks on a dead wood, dieback trees forest, environment damage
Beetle texture on a tree trunk. The close-up image from a firtree was captured in a forest in the canton of glarus.
A beetle left patterns on a dry tree. A pest beetle ate the bark on the log. A natural pattern in nature. A bark beetle ate a tree.
A moth lavae leaves patterns on the bark of the eucalypt tree in New South Wales, Australia.
Ash trees have become Montreal’s 15-million-dollar-problem. The city has spent nearly that much in the last eight years fighting the infamous emerald ash borer, a beetle that kills ash trees.
Beaver feeding traces with damage to trees
A beautiful tree stump textured background created by Ash Borer larva
Patterns on bark of tropical tree, Maui
Tracks from european spruce bark beetle infestion on a piece of bark isolated on white background
Bark of cork oak (Quercus suber) tree. Luogosanto. Province of Sassari. Sardinia. Italy.
drawing made by the insect the emerald ash borer under the bark of a mature tree
Rinde
Bark beetle pest destroys coniferous forests in Russia, European infection of small insects, pattern on the trunk of a dry log, bark beetle trail ate pine. High quality photo
Termite Trails in Wood
Texture of insect-eaten dry wood. The furrows on the trunk. Natural beauty.
The bark off a dead pine tree showing insect damage ... Pine Beetle.
Traces of bark beetles on the surface of old wood close-up. Feeding traces of bark beetles on a dead tree trunk. Natural background with textured pattern
No bark
Closeup of a Aspen tree trunk peeled by Eurasian elk on a spring day in Estonia, Northern Europe
Rinde
Vertical photo with wooden texture. Surface of old tree. Texture of trunk damaged by woodworm. Woodworm holes and paths. Light brown color of tree trunk.
Old tree bark texture background
The Emerald Ash Borer is an evasive species devastating many forests.  The trail pattern shown in the image is the pattern left by the bugs destruction between the bark and the wood.
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