Insects and diseases can pose serious threats to a forest’s health. Our foresters monitor insect and disease activity and trends, and respond to emerging threats to our communities’ forests.

Spruce Beetle Pitch Tubes

Common Insect & Disease Concerns

If your questions cannot be resolved with the information provided, please contact the La Veta Field Office. Foresters are available for site visits to look at specific insect or disease concerns on your property.






Piñon Pine


The 2020 Report on the Health of Colorado’s Forests (7 MB PDF) provides an overview of insect and disease conditions in all of the state’s forests.

2020 Insect & Disease Activity in Colorado Forests

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Click, hold and drag your mouse to scan the map. On mobile, press your finger on the map, then move your finger to shift.
Click on a color-highlighted shape to display more information.
Mobile users may view a larger version of the map by visiting the Esri ArcGIS website.

Forest Insect & Disease Aerial Survey

CSFS Forest Entomologist Dr. Dan West has produced an Esri Story Map for the 2020 Forest Health Report, which tells the story of how data was collected to compile the report, and offers users an interactive way to find out about forest conditions in their area.

Use your cursor to zoom in/out and navigate around the map to display Huerfano and Las Animas county information.