Western spruce budworms, spruce beetles and mountain pine beetles are impacting forests in southeast Colorado, according to CSFS. Western spruce budworms are the most widespread pests in Colorado ...

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

Colorado freshwaters begin in high mountain peaks as rain or snow that spills over granite slabs and gathers in wet subalpine meadows. They cascade through forests of spruce, fir, and pine on their ...

Purdue Landscape Report: We receive a large number of spruce samples each year at the Purdue Plant and Pest Diagnostic Laboratory (PPDL), with the vast majority being from Colorado blue spruce with ...