I’m concerned with my purple leaf plum tree. Originally, I was only concerned with the dark crusty limbs, and then I noticed some stuff like dark coffee grounds at the trunk. How bad is this? And how ...

Feeding by the Greater peachtree borer can cause severe damage to the trunks of stone fruit trees, especially peaches and apricots. If the damage is extensive, the tree can be girdled and killed.

Adult greater peachtree borers are often mistaken for wasps, but they're actually clearwing moths. Greater peachtree borer larvae feed on the cambium tissue under the bark of stone fruit trees. This ...

Common tree pests fall into three main categories: defoliators such as tent caterpillars that eat leaves, borers like emerald ash borer that attack the wood of the tree, and sap suckers like scale ...