Apply carbaryl, verbenone, and MCH to lodgepole pine, ponderosa pine, whitebark pine (carbaryl and verbenone), and Douglas-fir (MCH) trees in recreation sites to prevent tree mortality from mountain pine and Doulgas-fir bark beetle attacks.
Apply carbaryl, verbenone, and MCH to lodgepole pine, ponderosa pine, whitebark pine (carbaryl and verbenone), and Douglas-fir (MCH) trees in recreation sites to prevent tree mortality from mountain pine and Doulgas-fir bark beetle attacks.