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.

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 ...

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 ...

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 ...

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 ...

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 ...

PORTLAND, Ore. — On Friday, the Oregon Department of Forestry launched its annual aerial survey of forests throughout the state, something the agency has done since 1947. Over the next few months, ...

It’s easy to understand why some refer to winter as “stick season.” Snow cover, gray skies, and cold temperatures could lead to agreement that there is nothing but sticks to look at in the garden. But ...