Ants and honeybees share nests of hundreds or thousands of individuals in a very small space. Hence the risk is high that infectious diseases may spread rapidly. In order to reduce this risk, the ...

Across the Western U.S., there is a problem with Bark Beetles, or a bug that infects trees. According to a map from the United States Forest Service, there are places where 100 percent of trees are ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Last year’s floods, droughts and heat equaled a tough time for trees. Be on the lookout for stressed pine trees. Pine bark beetles ...

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 ...

For the first time, a research team has mapped out exactly what happens when spruce bark beetles use their sense of smell to find trees and partners to reproduce with. The hope is that the results ...

CLAUSTHAL-ZELLERFELD, GermanyCLAUSTHAL-ZELLERFELD, Germany — 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 ...

BISHOP, Calif. — Forest pathologist Martin MacKenzie strode forward on a narrow path through California’s mythic bristlecone pine forest in the White Mountains near the Nevada border, methodically ...

Pathogens can drive the evolution of social behavior in insects. Ants and honeybees share nests of hundreds or thousands of individuals in a very small space. Hence the risk is high that infectious ...

Spruce bark is rich in phenolic compounds that protect trees from pathogenic fungi. A research team at the Max Planck Institute for Chemical Ecology in Jena investigated how these plant defenses ...