Spruce trees across the Midwest are facing a disease that is easy to spot for most looking for a full tree to bring into their home this holiday season, as spruce trees are thinning out and slowly … ...

BILLINGS, Mont. - Armies of tree-boring bugs are transforming some of Yellowstone National Park's green forests into seas of red, dead trees. The bugs - four species of bark beetles and one ...

We saw some dieback in trees coming out of winter. In some cases, it is environmental stress from drought stress and winter temperature extremes. It may also be a canker ...

The Oregon Department of Forestry is assessing damage done by the spruce aphid along the Oregon Coast after an outbreak in Yachats earlier in 2025.

As a result, the trees are stressed and more susceptible. There are three major types of diseases that affect blue spruce trees: needlecasts, tip blights and canker diseases.

The spruce budworm is a native forest insect causing concern across Minnesota’s coniferous forests since at least 1954. It's eating its way through balsam fir and spruce in what's now the worst ...

In the Thuringian Forest or the Harz Mountains, dead spruce trees (Picea abies) dot the landscape like skeletons. Many have already fallen or been cut down. These dead trees serve as memorials to ...

Some bugs are OK, others are not, and the same goes for trees growing in the D.C. region. What should you be on the lookout for?