Instead, the leaves and needles have a waxy coating called cutin that helps protect the tree during the winter. Evergreen trees include fir, spruce and pine trees, which also make up the most ...

In an old-growth longleaf pine savanna, the absurdly long pine needles sing in the wind ... These forests, which contain ...

Minnesota. In 2024, over 700,000 acres of trees were defoliated in the state due to the current outbreak, the largest amount ...

The state’s park department says they are experiencing an outbreak of Douglas-fir tussock moth caterpillars at Hyde Memorial ...

An aggressive hatch of Douglas-fir tussock moth caterpillars is threatening trees, both in national forests and in Santa Fe.

The wretched worm that ravages spruce and fir trees and leaves a brownish mess in its wake seems to be everywhere one looks ...

A study finds a quarter of old trees in Oregon’s Malheur Forest died in 10 years, driven by drought, bugs, and overcrowding.

PORTLAND, Ore. ( KOIN) — Older trees in an Eastern Oregon forest are perishing “at an alarming rate,” according to ...

Between 2012 and 2023, a quarter of trees more than 300 years old in randomly located sites in roadless areas died, a University of Oregon study found. A triple whammy of drought, bug infestations and ...

More than half a million acres of trees spread across Washington were sick, struggling, or dead last year, according to the results of an aerial survey of forests by the state’s Department of ...

A 60-year-old hiker from Groton, Mass., was injured on Saturday when a dead tree fell on her while she was hiking on the Attitash Trail in Bartlett.