SAN DIEGO (FOX 5/KUSI) — An invasive beetle is laying its eggs in the nooks and crannies of oak tree bark in California, leading to an even deeper rooted issue. Goldspotted oak borers, otherwise ...

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 ...

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 ...

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 ...

The Mediterranean oak borer leaves small, round holes in the cut face of wood. The Mediterranean oak borer is native to Europe, western Asia and northern Africa. The insect tunnels beneath a tree’s ...

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 ...

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 ...

The Mediterranean oak borer, an invasive beetle known to transmit a sometimes fatal fungus to Oregon white oak trees, has been found in Marion and Polk counties. Summer trappings also showed that the ...

“They’re really majestic trees,” she says. “They go back centuries of importance to people.” Hagerty, an arborist for 11 years, and the owner of Arbor Gold Tree Services in Plymouth, is fighting to ...