Add Yahoo as a preferred source to see more of our stories on Google. Trees produce antibodies against harmful fungi. But bark beetles absorb these antibodies and use them to their own advantage. And ...

As Colorado experiences its signature whiplash weather, arborists are warning that stressed trees are more vulnerable to pests and diseases. Peel back the bark, and you may find a predator in your ...

Add Yahoo as a preferred source to see more of our stories on Google. Bark beetles are dark flying insects about the size of a grain of rice that leave tiny holes in the bark and branches of trees.

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 ...

American beeches (Fagus grandifolia) have been suffering recently from a disease widespread in both Connecticut landscapes and forests, Beech leaf disease (BLD), caused by a foliar nematode, ...

Trees produce antibodies against harmful fungi. But bark beetles absorb these antibodies and use them to their own advantage. — ANDREAS ARNOLD/dpa Bark beetles can destroy spruce forests by converting ...

Bark beetles can destroy spruce forests by converting the trees' defences into even more toxic substances, scientists recently discovered. But a special fungus can help the trees circumvent this ...