Destructive ash borer found in Portland

Discovery of tree-killing beetle in Portland prompts quarantine in 13 communities

The emerald ash borer, one of the most destructive invasive insects in the country, had previously been found in small pockets in Aroostook and York counties.

Portland grants Cushing Island group first waiver from new pesticide ban

Seasonal residents of the private island in Casco Bay had requested permission to selectively use the chemical Roundup to try to control invasive plants.