From wildlife to insects to fungi, there are many organisms that pose potential threats to the health of an aspen tree. It's important to understand these.
Important Pests of Ornamental Aspen
Mountain Pine Beetles in the Colorado Foothills
Aspen Tree or Quaking Aspen? How This Special Tree Got Its Name
Woodland Park Field Office – Insects & Diseases, Colorado State Forest Service
Finding aspens near Aspen: Fall colors hitting their peak around
Common Forest Insects & Diseases Colorado State Forest Service
Region 2 - Insects & Diseases
Aspen Trees: Common Problems & What To Do - LAM Tree Service
Naturalist Nights: Forest Disturbance by Bark Beetle in Colorado
Common Insects & Diseases of Aspen
Aerial Survey: Though Declining, Spruce Beetle Remains Most
Insect and disease infestation, such as the mountain pine beetle
