Spruce bark is rich in phenolic compounds that protect trees from pathogenic fungi. A research team at the Max Planck Institute for Chemical Ecology in Jena has investigated how these plant defenses ...

Fungi may help some tree-killer beetles turn a tree’s natural defense system against itself. This fungi-made perfume might explain why bark beetles tend to swarm the same tree. As climate change makes ...

CLAUSTHAL-ZELLERFELD, Germany (AP) — Nestled in the spruce trees in the Harz mountains of northern Germany is a bark-eating pest not much bigger than a sesame seed. Known as "book printers" for the ...

As he drove through the Sierra Nevada in 2019, Zachary Robbins noticed all the dead trees. Most of them had probably died around 2016 thanks to a combination of California’s drought and its growing ...

Earlier this month, a small group of interested citizens gathered at the Evergreen Library in Evergreen, Colo., to attend a Tuesday night program called “Beyond the Headlines: The Pine Beetle ...

Bark beetles are currently responsible for killing an unprecedented number of trees in forests across Europe and North America. Why the beetle populations first explode to decline naturally after a ...

DENVER, Sept. 5 (UPI) --Tiny bark beetles the size of a black bean have killed entire mountainsides of pine trees in the western U.S, but ecologists and forest managers disagree about whether they are ...

Bark beetles may use receptors in their antennae to detect and feast on fungus-infected trees. The Eurasian spruce bark beetle (Ips typographus) – found in Europe, Asia and some parts of Africa – ...

Banner image: A forest in the San Juan range of the Rocky Mountains, with dead Engelmann spruce trees alongside live aspen trees. (Credit: Robert Andrus) Bark beetle outbreaks and wildfire alone are ...

This story was originally published by Mother Jones and is reproduced here as part of the Climate Desk collaboration. There is an eerie feel to this grove of lodgepole pines that I can’t quite put my ...

Ask fire fighters, foresters and environmentalists to find the culprit for two years' worth of California wildfires and their fingers would unerringly point at a creature smaller than a grain of rice ...

Banner image: A forest in the San Juan range of the Rocky Mountains, with dead Engelmann spruce trees alongside live aspen trees. (Credit: Robert Andrus) Bark beetle outbreaks and wildfire alone are ...