The official declaration of what the mountain pine beetles are doing is a "catastrophic" killing off of trees. While foresters and others try to get a handle on the situation, energy companies are ...

HATTIESBURG, Miss. (WHLT) – Hattiesburg leaders said pine trees have become infested with tiny pine beetles after last summer’s extreme heat and drought. The beetles are cutting off nutrients ...

When adult beetles emerge from a tree in late spring, they search for a living pine tree, attack "en masse" and kill it, start excavating egg galleries within a day, and lay eggs within a few days.

Even the few species that do kill trees tend to target highly stressed ones. The mountain pine beetle is the bad bug of the bunch. Given the right conditions, it can ravage one healthy tree after ...

At high elevations in the northern Rockies, mountain pine beetles are killing countless whitebark pine trees, a major source of food for wildlife including grizzly bears Explore Subscribe ...

University of Minnesota scientists have identified the chemicals tree-killing beetles use to communicate. Those could be formulated into repellents to safeguard one of the state’s signature trees.

In comparison, the disease killed 44 trees the previous fiscal year, the association said. The wilt condition is caused by a fungus transmitted by ambrosia beetles measuring 4 to 5 millimeters long.