Mountain pine beetle-killed trees at Lookout Pass in 2002. Provided by Idaho Dept of Lands. Bark beetles are only about the size of a grain of rice. But for such tiny critters, they can take a big ...

The southern pine beetle (SPB) (Dendroctonus frontalis) and black turpentine beetle (BTB) (Dendroctonus terebrans) are serious pests of pines in Florida’s natural, cultivated, and landscape areas.

Bark beetles are important for New Mexico’s forest ecosystems. They usually attack stressed trees, which are then replaced by younger, stronger trees. Defoliators are insects that eat tree needles or ...

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 ...

While bark beetles have been slowly infesting trees in Aspen, winter won’t offer any respite. Aspen is currently home to the Douglas-fir beetle, the spruce beetle, the mountain pine beetle, Ips ...

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BELLAIRE, MI – An invasion of beetles is coming, and it will bring another wave of damage to the already battered Michigan Northwoods. Participants at last week’s annual Michigan Society of American ...

On the northwest corner of Manito Park, dozens of ponderosa pines appear to stand strong. Joggers and dog walkers weave through the towering trunks on their morning routes, and gray squirrels run ...

Spruce bark beetles don’t just tolerate their host tree’s chemical defenses—they actively reshape them into stronger antifungal protections. These stolen defenses help shield the beetles from ...