As foresters have warned since 2018, the inevitable arrival of the destructive emerald ash borer has been documented in ...

The box tree moth, an invasive species from ... Another sign is small, lime green frass — also known as insect poop — on the plant, on the ground, and caught in the webbing.

Colorado’s popular recreation areas were hit especially hard by the epidemic. Out of about 4.1 million acres of pine forests ...