Is this tree sick? That may be a natural question to ask when looking at the striking difference in the bark pattern on this white oak. In fact, it is an infection, but not a harmful one to the ...

Bark beetles may use receptors in their antennae to detect and feast on fungus-infected trees. The Eurasian spruce bark beetle (Ips typographus) – found in Europe, Asia and some parts of Africa ...

If you take a close look at some of the more established trees in your landscape, you may notice something you cannot seem to describe – it may look to you like a kind of fungus on your tree trunk. Is ...

These beetles sniff out fungus-infected trees to find their next target Specialized neurons in the European bark beetle’s antennae can sense resins the fungi produce.

asked arborist Mike Dwyer, while pulling back the bark of a pine tree. Bark beetles attack trees by tunneling in, laying eggs and bringing in a fungus that clogs the tree's vascular system.

However, these incredible trees are threatened by beech scale disease, also called beech bark disease (BBD) — a condition that can lead to significant damage or even kill the infected trees.

The white you see on some of the loose bark is a fungus that indicates internal decay. At some point the tree was wounded, or was growing too fast to keep up and had a wound.

The fungus is thought to clog up a tree’s vascular system, depriving it of water and nutrients. At first, the fungus grows stealthily, undetected, underneath a tree’s bark.

When we see something weird growing on tree bark, it is usually algae, lichens, moss, or fungi (or a combination of these). These can be gray, white, green, or even orange.

The fungus is thought to clog up a tree’s vascular system, depriving it of water and nutrients. At first, the fungus grows stealthily, undetected, underneath a tree’s bark.