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 ...

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Eurasian spruce bark beetles (Ips typographus) burrow into the bark of Norway spruce (Picea abies) trees where they mate and lay their eggs. Major outbreaks in Europe have decimated millions of ...

Catherine Chalmers’ “Conifer Trees, Bark Beetles, and Fire” exhibit in the Institute for Humanities gallery Thursday afternoon. Georgia McKay/DAILY. Buy this photo. After extensive fieldwork in the ...

Falling hazards from burned trees are only a few of the issues to consider following fire. Trees weakened by fire are particularly susceptible to bark beetles and can be the catalyst for an outbreak.

A new study shows that upon attack by bark-feeding weevils, conifers release substantial quantities of volatile organic compounds that provide important cues to neighboring seedlings. Conifers are ...

Steve Nix is a member of the Society of American Foresters and a former forest resources analyst for the state of Alabama. Bark beetles are the most devastating insects to attack pines, and they exist ...

An ecologist investigates pest infestation in forests with mixed and monoculture tree stands. In recent years, foresters have been able to observe it up close: First, prolonged drought weakens the ...

PARADISE — Many people have heard of Butte County’s nefarious bark beetle, especially after November’s deadly Camp Fire, when the area was hit with a huge surplus of the pest, which fed off weakened ...