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 ...

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 ...

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 ...

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 ...

Large infestations of the destructive bark beetle have become more frequent — and there's really no way to save trees once a large outbreak occurs. Diana Six, a professor at the University of Montana, ...

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 ...

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 ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. CLAUSTHAL-ZELLERFELD, Germany (AP) — Nestled ...

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 ...

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 ...

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 ...