Pat McElhenny, Pennsylvania Stewardship Manager at the Nature Conservancy, explains one of two diseases impacting beech trees. Beech trees are facing extinction. "When you say northern hardwood ...

the tree can't sustain itself, and then they die. So over the last four, five years, we watched these diseases move from western Pennsylvania across, and it is now confirmed in all 67 counties in ...

There’s a disease wreaking havoc on beech trees in Pennsylvania. Beech leaf disease currently is found in all but two of the state’s 67 counties. Caused by microscopic nematodes, the disease ...

The leaf disease is the second threat impacting beech trees in Pennsylvania. In 2017, beech bark disease surfaced across most of the state, and the occurrence of beech leaf disease compounds the ...

A beloved sugar maple slowly succumbed to disease. Today ... Hoffstot lives on a farm in western Pennsylvania. When you live a long time with trees, they become a part of you.

PITTSBURGH (KDKA) — A disease that could lead to mass mortalities in local deer populations has been confirmed in Southwestern Pennsylvania. The Pennsylvania Game Commission says it recently ...

Pennsylvania's state tree is the eastern hemlock ... freedom from insects and disease.Under ThreatOriginating from Asia, the hemlock wooly adelgid are tiny insects that have set their sights ...