Question: I have a white foamy substance on the stems of my arborvitae. I don't see any bugs crawling around, but it is very ugly. Do I need to spray something? Answer: What it sounds like is an ...

The habitat and adult host plants of 3 Ocoaxo species (Hemiptera: Cercopidae) are reported for the first time. In addition, their possible link to a disorder of forest pines we called "pine decline" ...

P The bugs feed on the juices in pine trees and can destroy the tree if left untreated. A lot of people wanted me to go to medical school when I was growing up. But I was sure that I wanted to spend ...

Some pests on trees are conspicuous. These easy-to-spot pests can be disconcerting; however, don’t panic, as many don’t cause serious harm to trees. Here are questions and answers about some of them.