Volunteers paint lime wash on an oak tree that is dying from a beetle infestation in Silverado Canyon on Thursday. (Allen J. Schaben / Los Angeles Times) The tree was dead. Ron Durbin, who trekked ...

The California Department of Fire and Forestry Protection shared Wednesday that there have been multiple confirmed ...

Invasive goldspotted oak borers have been newly detected in Ventura County. UC ANR is calling on community scientists to track down these destructive bugs to help protect native oak 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 found in other pest traps in the past few ...

An invasive pest that kills oak trees continues to spread through the Willamette Valley between Portland and Salem. Oregon officials completed a two-year study this summer that found the Mediterranean ...

Defying its typical seasonal pattern, my beautiful backyard oak tree — which, at over 300-years-old, predates the neighborhood — recently shed its leaves unexpectedly. Upon a thorough evaluation ...

The Mediterranean oak borer, a miniscule beetle no bigger than a sesame seed, has been discovered in trees around the Portland area. The invasive pest native to Europe, the Middle East and North ...

An invasive beetle species with a taste for oak trees has been detected in Novato. The county agriculture department announced the discovery of Mediterranean oak borers on Monday and called upon the ...

A drive to the mountains in San Diego County means you're surrounded by nature, trees especially, which have been facing a major threat from something so small you might not even notice it. You will ...

Agriculture officials in Marin County are alerting property owners and arborists to be on the lookout for a tiny invasive beetle that attacks oak trees, after the insect was detected last month in ...

The deadly decline of Britain’s native oak trees may be driven by an unexpected accomplice: their own smell. Scientists have discovered that trees affected by Acute Oak Decline (AOD) emit distinct ...

Ron Durbin, who trekked with a group into a rugged Santa Clarita canyon, quickly spotted nearby trees pockmarked with D-shaped "exit holes," a deadly calling card. This was the work of the goldspotted ...