However, almost all mature American elm trees have been killed in the last 50 years by Dutch elm disease, which is caused by a fungus, Ophiostoma novo-ulmi, introduced from Asia. Elm bark beetles ...

The technology used to scan the tree has previously been used by HES to create digital images of historic buildings Dutch Elm Disease is a fungal infection spread by tiny bark beetles. It can ...

These beetles prefer to attack hardwood trees, such as maple, elm, willow, and birch. The variety in their choice of host trees makes them a widespread threat to different tree species in your garden.

“Removing Dead Trees Helps Fight Elm Disease,” by Jerry Huddleston (July 25, 1960) In hundreds of university laboratories botanists are seeking cures for the beetle-borne fungus which ...

Likely originating in Asia, Dutch elm disease was first observed in the U.S. in the 1930s. Since then the disease has killed billions of elms around the United States and abroad, Held said. Spread by ...

The province explains that the beetles are attracted to freshly cut elm trees and that the risk of infection increases as the beetles become more active in warmer weather. More on Canada Video ...

Budget25: The hiring of two more employees in the forestry division will help city hall improve response times for service ...