The spruce budworm is a native forest insect causing concern across Minnesota’s coniferous forests since at least 1954.

While fire is a natural disturbance in fire-dependent forests, dead standing trees can act as a ladder for a ground fire to climb to the forest canopy, quickly making a fire worse. Dead balsam fir ...

The state’s Maine Spruce Budworm Task Force has outlined steps forest owners can take in at-risk areas to minimize damage, including insecticide spraying and removal of balsam fir trees, the budworms’ ...

The window during which butterflies leave their overwintering roosts in Mexico's pine and fir trees is short and at the mercy of the weather. This year, the temperature was uncooperative for days ...

A Douglas Fir that's been dead for less than two years is generally considered safe to climb, as its structure remains relatively intact. However, the risk increases with age, as the tree ...

The state’s Maine Spruce Budworm Task Force has outlined steps forest owners can take in at-risk areas to minimize damage, including insecticide spraying and removal of balsam fir trees, ...