The center of a tree or shrub stem (from roots to trunk, branches, and twigs) is woody, composed of xylem cells that conduct water from the roots to the upper parts of the tree. That woody section is ...

Bark beetles are dark flying insects about the size of a grain of rice that leave tiny holes in the bark and branches of trees. Their very small grubs feed voraciously on the inner bark of trees that ...

As Colorado experiences its signature whiplash weather, arborists are warning that stressed trees are more vulnerable to pests and diseases. Peel back the bark, and you may find a predator in your ...

I know - I know, nothing sounds more boring than tree bark. But, what in the landscape can you see and enjoy outside this time of year? The snow and evergreens are beautiful together, the stark ...

Bark beetles are capitalizing on the weakened state of Northern Nevada's trees due to persistent drought conditions, and hundreds of Jeffrey Pines in the Galena area are the latest victims. Bark ...