Michigan, there have been multiple confirmed reports of oak wilt in Isabella, Clare, and Gratiot counties. Even more cases ...

OAK GLEN, Calif. (KABC) -- Pests are causing devastation to trees across California. And that includes an area of the Inland Empire named after its centuries-old oaks. The day after Christmas, Oak ...

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 ...

Researchers at the Minnesota Invasive Terrestrial Plants and Pests Center identified the pathogen, Phytophthora ramorum, ...

Fall is usually when people pay attention to trees to see the changing leaf colors. But homeowners should be paying closer attention to their oak trees. Robert Spartz, district manager for the Davey ...

The Mediterranean oak borer, an invasive beetle known to trasmit a sometimes fatal fungus to Oregon white oak trees, has been found in six counties.

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.

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 ...