'It is scary': Oak-killing beetle reaches Ventura County, significantly expanding range

The goldspotted oak-borer, an invasive beetle responsible for killing 200,000 trees in Southern California, is now present in ...
Tulsa World

Master Gardener: Mites and insects cause most galls on trees and plants

‘I have some weird, seemingly hollow, green, round balls falling from my oak tree. What in the world are these things?” — S.Y. You are describing an interesting growth that can occur on a variety of ...
Press-Telegram

The race is on to stop a tiny pest from killing Southern California’s native oak trees

It’s less than a half-inch long but it can fell a giant oak tree in no time. The goldspotted oak borer, GSOB or Agrilus auroguttatus, is a 0.4-inch bullet-shaped beetle with six golden spots on its ...
Iowa Public Radio

The 'King of the Great Plains' is dying. Drought is killing giant oak trees in the Midwest

Dead trees line the Salt Creek and Platte River near Mahoney State Park in June 2025. Horticulturists with the Nebraska Game and Parks Commission were stumped when they started seeing significant ...
Division of Agriculture and Natural Resources

Volunteers sought for 'blitz' to protect Ventura County oaks from destructive beetle

Invasive goldspotted oak borers have been newly detected in Ventura County. UC ANR is calling on community scientists to ...
NBC 7 San Diego

Invasive beetles are killing San Diego County's oak trees — and the bugs on the move

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 ...
Purdue University

Case Study: Maple Tree Pests – Purdue Landscape Report

Purdue Landscape Report: Recently a homeowner in Hamilton County posted on the Indiana Native Plant Society Facebook page with concerns about aphids, mites, and apple scab in her maple and oak trees.