![An aerial view of the Rio Grande National Forest](https://csfs.colostate.edu/wp-content/uploads/2022/04/Beetle-Killed_Trees_Rio_Grande_National_Forest_c_Dan_West_CSFS.jpg)
Aerial Survey: Spruce Beetle Remains Most Deadly Forest Pest
During their annual hearing before the Colorado General Assembly, State Forester Matthew McCombs and Regional Forester Frank Beum announced a report detailing the results of the 2021 aerial detection survey led by the USDA Forest Service, Rocky Mountain Region, and Colorado State Forest Service.