Skip to main content









Donation Heart Ribbon

San Diego County Sees Unwanted Beetlemania Arrive

SAN DIEGO (AP) -- It's beetlemania in San Diego County. But there are no screams of joy.

Photo credit: Center For Invasive Species Research

The goldspotted oak borer, pictured, was found in San Diego County in the early 2000s. But it wasn't until recently that officials discovered that the beetle, combined with the drought, has killed tens of thousands of oak trees.

The exotic gold-spotted oak borer beetle, which hitched a ride into California on firewood more than 10 years ago, has been wreaking havoc on old growth oaks and wildlife that uses the trees as habitat.

The beetles appeared in Marian Bear Memorial Park near La Jolla several years ago, and by last year had spread into the San Jacinto Mountains of Riverside County.

U-T San Diego reports that countywide about $8 million has been spent clearing San Diego County's beetle-damaged trees, some of them oaks that were centuries old and provided crucial canopies for both animals in their habitats and humans seeking shady refuge.

Officials are warning against transporting firewood between regions and furthering the spread.

Want more KPBS news?
Find us on Twitter and Facebook, or subscribe to our newsletters.

To view PDF documents, Download Acrobat Reader.