Welcome to our tree column, “Ask your local arborist.” Each month, arborists from the Davey Tree Expert Company in Menlo Park discuss a tree-related topic from general care and planting tips to how ...

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 ...

You may notice a pine sawfly on your pine trees this spring or summer. The pesky creatures are more disturbance than damage, but The News Tribune has gathered advice on what to do about them. A common ...

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 ...

Urban trees lit by streetlights tend to have tougher leaves that are eaten less by insects than trees that see dark nights. The researchers who discovered the pattern say it could have a detrimental ...

A tree-eating insect called the emerald ash borer, or EAB, has been confirmed to be in all but two of Iowa's 99 counties, according to a press release from the Iowa Department of Agriculture and Land ...

ALBANY — There was a time when every village, city square, and the dense forest acreage of New York State harbored a huge tree species, one with a massive, thick trunk and tremendous, spreading ...

The 2013 floods gave state trees the water they needed to fight off the mountain pine beetle and other forest pests, but a dry 2024 restarted some pesky threats “The Bug That’s Eating the Woods.” ...