Standing 70 to 100 feet, a different Norway spruce attracts crowds to Rockefeller Center every holiday season.

It has the longest cones of any spruce species, measuring between 3.5 to 6.75 inches. The tree is commonly used for timber and for Christmas trees during the holidays. Each year the town of Oslo, ...

Dr Trujillo Moya and colleagues have continued to monitor Norway spruce trees in the mountains of Austria, allowing the team to select trees that seem to display a resistance to the disease.

The insect is present in spruce trees, especially Norway spruce, in most of Europe and has probably blown into the regions.