US Forest Service
Rocky Mountain Region
740 Simms Street
Golden, CO 80401
TTD / TTY For the
Larva of large aspen tortrix.
Link to the 2013 Forest Health Aerial Survey highlights, maps, and press release information.
Link to the Regional Bark Beetle incident website. Learn more about the current epidemic, bark beetle management, and safety.
This field guide is a forest management tool for field identification of biotic and abiotic agents that damage native trees in Colorado, Kansas, Nebraska, South Dakota, and Wyoming.
Written descriptions, color photographs, a general index, an index by host tree species, descriptive tables, and line drawings are all provided to assist users in identifying damaging agents.
View and download .PDFs for specific diseases and insects from the handbook.
Aggressive bark beetle of western pines
Windthrown trees can set up outbreaks
Non-native, invasive rust of five-needle pines
Incited by unusually warm drought
Common Insects & Diseases found in Region 2
Forest & Grassland Health
Field Guide to Insects & Diseases of the Rocky Mountain Region
Insect & Disease PDFs
Images of insects & diseases found in the Rocky Mountain Region
Regional Bark Beetle Information
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