Bark beetles moving between trees routinely carry two fungi that are responsible for the Dutch elm tree disease outbreak.

If you spot tiny holes and piles of sawdust on your tree, bark beetles could be the culprit. Unfortunately, the solution ...

Bismarck's Forestry Division is gearing up to search firewood piles for the elm bark beetle as part of the effort to protect trees in the city from Dutch elm disease. Firewood can provide ...

American elms, Ulmus americana, are native to North America from Saskatchewan to Nova Scotia and from Texas to Florida. They grow 60 to 80 feet tall, with a thick trunk, the shape of a vase and a ...

Getting your Trinity Audio player ready... Dutch elm disease has been reported back in Denver after more than a decade of its absence. The Denver forestry office discovered the disease last month in ...

The elm trees on my street downtown have been infested the past couple of years with what I think are elm leaf beetles. We can see little striped worms climbing up the bark, and the leaves are chewed ...

Phoretic mites are small arachnids that exploit the mobility of bark beetles to disperse between habitats. These mites attach themselves to their hosts during specific developmental stages and are ...

“My boyhood home had tremendous elms,” recalls John Hansel, 45, a New Jersey manufacturer of watercoolers. “Those trees were my symbols of the past.” In fact, Hansel bought his present house in ...

Recently, our diagnostic lab at Kansas State University reported a high volume of Dutch elm disease cases in Kansas. The disease has been present in the United States since the 1920s, when it began ...