Then there is the fungus, Beauveria bassiana. This fungus is neither the tree’s nor the beetle’s friend; as a pathogenic ...

This is because the beetle can break down the plant-derived compounds (phenolic glucosides) via a water-mediated process ...

The bark beetles are here. Actually, the bark beetles that kill mountain trees are always around, San Juan National Forest representatives told a small group of Vallecito residents Tuesday evening.

In the Thuringian Forest or the Harz Mountains, dead spruce trees (Picea abies) dot the landscape like skeletons. Many have already fallen or been cut down. These dead trees serve as memorials to the ...

The study area is centered on the Susitna Lowlands in SC Alaska, a mosaic of mixed forest and wetlands, appearing in green and brown in the 2013–2015 Landsat −8 composite (a), respectively. Credit: ...

A new machine-learning system developed at the University of Alaska Fairbanks can automatically produce detailed maps from satellite data to show locations of likely beetle-killed spruce trees in ...