A small beetle is responsible for the death and decline of billions of ash trees in North America, and the race is on to stop ...

Add Yahoo as a preferred source to see more of our stories on Google. Ash trees growing in Sioux Falls boulevards are being marked with blue 9s by the city of Sioux Falls. City Hall's forestry ...

There’s a tree killer on the loose in Oregon, and nobody knows how to stop it. An invasive green beetle called the emerald ash borer arrived in the Midwest from Asia, and it’s killed over 100 million ...

In late June, Paul Cigan got a call from an arborist in Burnett County asking him to check out a suspicious ash tree. The the leaves on the upper branches of the tree had thinned, making the tree look ...

Purdue Landscape Report: Recently, there has been an uptick in questions related to one of Indiana’s most notorious invasive pests: the emerald ash borer. Homeowners, businesses, even professionals ...

… but our independent journalism isn’t free to produce. Help us keep it this way with a tax-deductible donation today. In 2009, an invasive tree pest was discovered on an ash tree in St. Paul. This ...

Ash leaves are turning purple and yellow now, gardening season is winding down, and the aphids are back. While enjoying the spectacular fall color this year, you may have noticed tiny, powdery-blue, ...

Throughout this month, K-State’s Division of Facilities will continue removing trees on campus to prevent infestations of ...

SCOTLAND, Pa. (AP) — The eradication of ash trees from Pennsylvania’s landscape and forests got a public viewing last week. Crews felled large-diameter trees dating to the early days of the Scotland ...

British woodlands appear to be evolving resistance to the invasive fungus causing the devastating tree disease ash dieback, scientists have said. Researchers from the Royal Botanic Gardens, Kew, and ...