The caterpillars rather than the moths are what feed on and damage fir trees ... caterpillars also makes Douglas firs more ...

To date, the oldest CMT recorded is a western redcedar that had its bark removed in AD 1415. Until relatively recently, Douglas-fir CMTs were not known to archaeologists. In part, this is because old ...

An insect called the western spruce budworm continues to be the most widespread forest pest in Colorado, but a bark beetle ...

If you went out and bought the viral Home Depot Christmas tree this ... on the bark. (Though North Carolina has its own claim to fame: the Fraser fir.) On the West Coast, the Douglas-fir is ...

As climate change pushes Europe's native forests to their limits, the North American Douglas-fir (Pseudotsuga menziesii) is emerging as a potential ...