An international research team demonstrates that the European spruce bark beetle (Ips typographus) uses volatile fungal metabolites of plant defense substances as important chemical signals in their ...

My friend Roni and I were discussing an upcoming heavy pruning on her pine trees, which are growing into power lines. She said she was planning on using a systemic insecticide containing imidacloprid ...

Adult spruce bark beetles in their galleries in the bark of a Norway spruce tree. The beetle in the middle is infected with the fungus Beauveria bassiana. Spruce bark is rich in phenolic compounds ...

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 – ...

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 ...

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 ...

With the fogging method, insects and other invertebrates can be collected almost completely from tree crowns. All arthropods that are affected by the insecticide drop into the collecting sheets and ...

Limber pine, as seen here along the Sky High Trail, San Gorgonio Wilderness, San Bernardino Mountains, California, can have smooth bark, which discourages bark beetles. Photo courtesy of Wikimedia ...

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 ...