This invasive beetle has killed tens of thousands of trees in Southern California. Now it’s in the Bay Area

An invasive species of beetle that has killed tens of thousands of healthy trees across Southern California has been detected in San Jose, posing a threat to over 65 species of trees in the area.

The shothole borer tunnels into trees, introducing a fungus that serves as food for the beetles, and prevents the trees from transporting water and nutrients, often killing them in the process, the Santa Clara County Division of Agriculture announced Friday.

Native to southeast Asia, the...