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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.

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.

Tracks from european spruce bark beetle infestion on a piece of bark isolated on white background

A beautiful tree stump textured background created by Ash Borer larva

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.

Bark of a spruce destroyed by the bark beetle

European spruce bark beetle

Bark beetle damage on dead pine tree. Utah, USA.

drawing made by the insect the emerald ash borer under the bark of a mature tree

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

Close-up view of tree bark with intricate patterns made by bark beetles. Detailed texture of natural wood surface

tree trunk damaged by bark beetles in the forest

Emerald ash borer trails in ash tree, created as the introduced and invasive beetle chews through the wood. The insect has killed hundreds of millions of ash trees in North America since its discovery there in 2002. The bark has been removed from this tree, which appears to be a white ash. Photo taken in Connecticut.

The texture of an old, dry tree without bark, gnawed by a bark beetle.

Beetle texture on a tree trunk. The close-up image from a firtree was captured in a forest in the canton of glarus.

Dried tree bark on tree trunk with sunshine.

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.

Signature of the bark beetle

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.

Cross-section of a tree

Emerald ash borer trails on a fallen white ash tree, created as the introduced and invasive beetle chews through the wood under the bark. This insect has killed hundreds of millions of ash trees in North America since its discovery there in 2002. Photo taken in Connecticut.

Close up of tree trunk killed by emerald ash borer showing missing bark and tracks of the larvae worm in the wood, invasive species, Pennsylvania dendrology study.

Traces of woodworms underneath the bark of an old deadwood tree trunk

Bark Beetle pupae and galleries in spruce wood

brown texture in a tree bark

Bark eaten by bark beetles

texture of the old wood eaten by bark beetle

tree trunk on the ground with drawings on the surface made by larvae

Natural wood texture with lines drawn by a bark beetle. Background, bark beetle, tree trunk. Close-up.

Rough bark of cork tree creates an organic background.

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