Add Yahoo as a preferred source to see more of our stories on Google. Volunteers paint lime wash on an oak tree that is dying from a beetle infestation in Silverado Canyon on Thursday. (Allen J.

Add Yahoo as a preferred source to see more of our stories on Google. A man paints limewash on an oak tree infested with the goldspotted oak borer in Orange County's Silverado Canyon in May 2024. The ...

California officials sounded the alarm Wednesday over the goldspotted oak borer, a metallic beetle barely bigger than a ...

Invasive beetles are killing hundreds of thousands of oak trees in Southern California. and it's even adding to the wildfire risk in local forests. However, we can help prevent the damage. CAL FIRE ...

This story is free to read because readers choose to support LAist. If you find value in independent local reporting, make a donation to power our newsroom today. Tree limbs and tops began falling off ...

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 ...

California oak trees have no natural defense against the beetle, Corella said. As limbs and branches die, the infested oaks ...

This fallen oak branch in Napa County was infested with Mediterranean oak borers. The beetles are known to make distinct fork-like galleries as shown. Courtesy Curtis Ewing, Cal Fire Invasive beetles ...

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 ...

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 ...

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 ...