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

The Oregon Department of Forestry is warning Oregonians about an invasive species of beetle that could emerge this summer.

There’s a tree killer on the loose in Oregon, and nobody knows how to stop it. An invasive green beetle called the emerald ash borer arrived in the Midwest from Asia, and it’s killed over 100 ...

The metallic-green beetle has made its way into Marion, Yamhill and Clackamas counties — miles away from the previously known infestations in Washington County.

As the state's forests become weakened and stressed, they become more susceptible to insects and disease — even some that, at one time, posed little threat.

The beetle was discovered in California in 2017, but Buhl said genotyping has shown that the insects discovered in Oregon likely didn’t come from our neighbor to the south.

Emerald ash borer, an invasive beetle, recently was found for the first time in Oregon, but telling it apart from its native cousins takes a keen eye.

Our objective: rain beetles. Rain beetles are a unique family of beetles that are only known in Oregon, California and Washington. When first discovered, rain beetles were considered an enigma.

Legal Victory Moves Oregon Coast Tiger Beetle One Step Closer to Protection Rare Beetle Threatened by Habitat Loss, Off-Road Vehicles, Sea-Level Rise ...

The invasive beetle decimated ash tree populations in U.S. and Canada. Salem officials are tracking its spread to try to protect nearly 1,700 trees.

An invasive insect from Europe and the Middle East is attacking several Oregon white oak trees in the Wilsonville area, and state researchers say it's been foun ...

The tiger beetle once lived on coastal beaches from Northern California to Washington but has disappeared from much of its former range. The most recent surveys found them at only 17 sites in Oregon.