Integrated Pest Management and MCH

Why Are Your Trees Important?

• Provision of shade
• Visual pleasure
• Noise barrier
• Erosion control, snow catchment
• Watershed & hydrology changes
• Wildlife habitat
• Air quality & CO2 release, global warming
• Property values
• Sentimental values
• Business losses (golf courses etc.)

MCH Douglas-Fir Anti-Aggregation Pheromone

• MCH—anti-aggregation pheromone of the Douglas-fir beetle to protect trees from attack by Douglas-fir beetles.
• Growing problem
• Correlation with western spruce beetle outbreaks

• Also works to prevent the build-up of populations on logs, stumps, and fallen trees
• Sends a message that tree is full and that beetles should look elsewhere for a suitable host
• Douglas-Fir Beetle Repellent is environmentally friendly and non-toxic to humans, pets, and even the beetles themselves
• High efficacy

• Monitor trees closely – watch for signs of attack and learn about the Douglas-fir beetle
• Keep trees healthy; water regularly
• Use Douglas-Fir Beetle Repellent
• Consider the use of a broad spectrum insecticide
• Dispose of infested trees properly