The Ips typographus, or larger eight-toothed European spruce bark beetle, is a serious pest of ... Ips typographus has the ...
In the longer term, forest owners are advised to continue making their forests more resilient to disturbances and to plant tree species other than spruce. Kristjan Ait, a junior researcher at the ...
Sep 19, 2021 Sep 19, 2021 Updated Oct 24, 2022 An epidemic is creeping into Interior Alaska, but it is not attacking people. It is killing forests filled with mature white spruce trees. The ...