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 ...

Angela Mech, assistant professor of Entomology at University of Maine, has been leading the research for the i-Tree pest predictor. Mech specializes in invasive forest insects. University of Maine ...

Streetlights left on all night cause leaves to become so tough that insects cannot eat them, threatening the food chain, a study has found. “We noticed that, compared with natural ecosystems, tree ...

DROUGHT ON TREES ACROSS OUR STATE. IT’S A12 PUNCH BROUGHT ON BY DROUGHT. TREES ARE LESS VIGOROUS IS WEAKER AND MORE VULNERABLE. INVASIVE INSECTS. SOME AREAS ARE ALREADY SEEING THE EFFECTS, THE SPONGY ...

Round, white hemlock woolly adelgid ovisacs are found on the undersides of branches near the base of the needles. (Michigan Department of Natural Resources) For the first time, a destructive invasive ...

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 ...

Occasionally, homeowners will notice small holes in the trunks of landscape trees. This may not mean impending death to the tree, but it’s not good. The presence of holes usually means that an insect ...

When spring flowers and leaves burst forth on trees, so do many of their insect pests. In one instance, I had been keeping an eye on some prune trees in a garden over the past few months, noting a few ...

It might be a good idea to dispose of this year’s Christmas tree sooner rather than later. While it’s not a regular occurrence during the holiday season, University of Wisconsin-Madison entomologist ...

DROUGHT ON TREES ACROSS OUR STATE. IT’S A12 PUNCH BROUGHT ON BY DROUGHT. TREES ARE LESS VIGOROUS IS WEAKER AND MORE VULNERABLE. INVASIVE INSECTS. SOME AREAS ARE ALREADY SEEING THE EFFECTS, THE SPONGY ...

A small, tree-killing insect from China has jumped across the entire state of Wisconsin in a single bound. Wisconsin officials announced today that emerald ash borer had been discovered in Victory, a ...

GLOUCESTER Co., Va. - The Virginia Department of Forestry said it has confirmed the presence of the emerald ash borer, an invasive tree-killing insect, in Gloucester County. A release from the VDOF ...