This is because the beetle can break down the plant-derived compounds (phenolic glucosides) via a water-mediated process ...
Then there is the fungus, Beauveria bassiana. This fungus is neither the tree’s nor the beetle’s friend; as a pathogenic ...
Spruce bark beetles hijack their host tree’s chemical defenses, transforming them into potent weapons against fungal threats.
Although they're often confused with the iridescent green June beetles, which are basically harmless to your garden, these ...
A western pine beetle rests on a sap mound on a pine tree. - Charles Wollertz/Getty Images A thriving pine tree is a thing of beauty, but what if your pine tree doesn't seem so healthy? If you notice ...
A couple of days ago, I was working on the grapevines tying up some wayward canes and removing unwanted growth when all of a sudden a huge brown beetle fell from the vines and clung to my bare arm ...
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 ...
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 ...