Q: These hard clear bubbles have formed from secretions from a few of my wild cherry trees. [The reader sent photos.] Do you think it is heat related or an indication of pending tree doom? Do other ...

Q: I have a pine tree that is oozing a waxy substance. There is so much of it that the rocks beneath the tree are shiny. I also noticed that the branches are covered with little black bugs. They look ...

Safeguarding your trees against pests is important to their health and longevity. Invasive species can wreak havoc by defoliating or infecting trees, and left untreated, can lead to loss of limbs and ...

Three insect pests have come to my attention in recent days and bear mentioning here. The first of these is the Oriental fruit fly. The adult is a bit larger than the common housefly, except that it’s ...