The box tree moth is a non-native, invasive insect that has the potential to cause major damage to one of the most popular ...

Bagworms may be small, but they can cause big problems.Often mistaken for part of the tree, they create cases that dangle from branches.Erika Lyon, with Ohio St ...

CHISAGO COUNTY, Minn. (FOX 9) - A scary-sounding insect is helping Minnesota in its battle against one of the worst pests for trees. Emerald ash borers have already invaded millions of trees, but now ...

Eastern Oregon's Malheur National Forest boasts some of the state's oldest trees, including pine and larch that live more ...

A couple of recent, late June, incidents are reminders that gardeners need to be vigilant during the long, warm days of ...

Scientists and students gather each summer at the remote Shingle Shanty Preserve and Research Station to study birds, bogs ...

KENTON — 48,500 native conifer seedlings have been planted around 150 acres in late June by the U.S. Forest Service (USFS) ...

If you walk through a forest and look down, you might think you're stepping on dead leaves, twigs and soil. In reality, ...

More than half a million acres of trees spread across Washington were sick, struggling, or dead last year, according to the ...

Annual cold snaps have kept some invasive tree pests in check, but outbreaks could become more common with warming ...

Parts of the North Cascades and Mount Baker are facing an outbreak of the western spruce budworm, aerial surveys reveal. The ...

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