If you spot tiny holes and piles of sawdust on your tree, bark beetles could be the culprit. Unfortunately, the solution ...

Lichens survive in a very wide range of habitats worldwide. Amazingly, more than 400 species can be found in Maryland.

On the northwest corner of Manito Park, dozens of ponderosa pines appear to stand strong. Joggers and dog walkers weave ...

After the city removed nearly 200 pine trees from public parks and golf courses due to bark beetle infestations, Spokane ...

Though the focus of his expertise is firmly rooted underground, Victor Lucero spends many hours each year working for the New Mexico Forestry Division from the air. Every week from mid to late June ...

Mar. 29—Every year, John Formby spends weeks flying in a plane above New Mexico's forests, looking for trees with signs of insect damage and stress from heat and drought. The state forest health ...

In between beach days and backyard barbecues, the end of summer is a good time to examine your trees for signs of hazardous invasive insects. The USDA has named August as Tree Check Month to encourage ...

A small beetle is responsible for the death and decline of billions of ash trees in North America, and the race is on to stop ...

The number of conifer trees dying in New Mexico’s forests from bark beetle attacks more than doubled last year to 70,000 acres, especially near burn scars left by wildfires in 2022. Bark beetles ...

The center of a tree or shrub stem (from roots to trunk, branches, and twigs) is woody, composed of xylem cells that conduct water from the roots to the upper parts of the tree. That woody section is ...

Insect-driven tree mortality is rising across Europe, according to an international study led by the Czech University of Life Sciences with participation of WSL. Conifers are hit harder, broadleaf ...