This non-native beetle kills ash trees by feeding on the layer beneath the bark, cutting off water and nutrients. Approximately one-third of the trees in Fort Collins are ash trees, making the city's ...

ST. PAUL, Minn. (AP) - The dozen ash trees in Robert Delutri's yard gave sweet relief from the sun during summer's hottest days. And in the fall, the bright yellow leaves glowed with light about the ...

When 86-year-old Jeanne Somers contacted Public Investigator in November about an emerald ash borer infestation in her neighbor's yard, a 70-foot dead ash tree had just fallen across her driveway. She ...

Oregon officials have found the Mediterranean oak borer in six counties across the valley, just as another pest is killing ...