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 ...

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 ...

Dutch Elm’s Disease is a fungus that arrives to the trees via the backs of two species of bark beetles. The beetles bury into the bark of the tree and lay their eggs. When the larvae hatch, they carry ...

“Elm Disease Still Plagues Trees In City,” by Mel Dixon (July 17 ... with insecticides which can kill the beetle before it bores through bark carrying the fungus which shuts off a tree's ...

Infected trees must be removed to prevent the disease from spreading further. Dutch elm disease is spread by elm bark beetles ...

In 1977, 31,000 elm trees died in Minneapolis because of the disease, which is transmitted by bark beetles and the trees’ root systems. “Over 95 percent of the trees on all the streets in Minneapolis ...

The disease is a fungal illness spread by a bark beetle and first made its appearance in the UK in the 1920s, killing up to 40% of all elm trees. A more aggressive strain emerged in the late 1960s ...

All council-owned trees in the Waipā district have been vaccinated against Dutch elm disease. Photo / Waipā District Council Dutch elm disease is spread by elm bark beetles, which carry the ...

Dutch elm disease has claimed the life of a 100-year-old elm tree in the Waikato, despite the tree being vaccinated. The fatal and fast-spreading disease is caused by a species of fungus and ...