Brett Willard, the aquatic invasive species program director at Lake Stewards of Maine, which led the recent post-treatment ...

NORTH YARMOUTH, Maine — The town of North Yarmouth is dealing with its first emerald ash borer infestation on town property.

Sap is the 'blood' of a tree, helping to move nutrients from the roots to the limbs. Some sap is not unusual, but excessive ...

The emerald ash borer is a highly invasive small wood-boring beetle from Asia. They attack Maine’s native ash trees in large ...

When temperatures turn to freezing from late October to early December, the wingless female climbs the nearest tree and mates with the male.

I got a call a few years ago from one of my readers. His Paper Bark Birch was in severe decline. From what I could see, this two-foot-diameter tree was dying. I explained the dire situation of the ...

The emerald ash borer, an invasive species of beetle, has been found in Portland. Local officials say it’s only a matter of time before the pests, which hollow out and kill ash trees, will arrive in ...

PORTLAND, Ore. (KOIN) – The emerald ash borer is in Portland, and experts are calling on the city’s residents to protect their trees from the invasive beetle. But here’s the catch: A lot of bugs look ...

PORTLAND, Ore. (KOIN) – The dreaded emerald ash borer has made its way into Portland, and it poses a threat to every ash tree in the city. The invasive beetle from East Asia has already had a ...

The emerald ash borer, an invasive beetle that’s already killed millions of trees across the country, was found in Southeast Portland this summer. Since its arrival in the United States, this tiny ...

A tiny beetle known for decimating ash trees throughout North America and Europe has been discovered for the first time in Portland and has spread to new sites in several other counties where the ...

An invasive, tree-killing pest has made its way to Portland, spelling trouble for the many ash trees that cool residential neighborhoods on hot summer days. On Wednesday, Oregon forestry officials ...