The overarching goal of this plan is to restore the tree canopy to pre-ash borer levels, which is 16 percent coverage. CEDaR's researchers, Michael Szuberla, a PhD student in environmental studies, ...

Behind their bark were deadly invaders – cedar borers, a beetle species that attacks cedar trees. Biting away at more than just bark – the burrowing beetles had been eating away at the city's ...

The emerald ash borer, an invasive insect and threat to Maine ash trees, was confirmed on Mount Desert Island.