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 ...

“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 ...

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.

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 ...

BISMARCK, N.D. (KXNET) — The Forestry Division is getting ready to begin the annual city-wide search for the elm bark beetle. Bismarck’s Dutch Elm Disease prevention program looks to protect ...

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 ...

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