Invasive Species Mayhem in the Forests of the Anacostia River

You may have wondered why are there so many leafless trees in mid-summer along the Anacostia River. The short answer is EAB. That is, Emerald Ash Borer. It is a beetle scientifically known as Agrilus planipennis, first detected in North America in 2002. It was accidentally introduced from Asia most likely as a hitchhiker in wood packing materials. If you ask us what’s our worst invasive species in the Anacostia River watershed, EAB is definitely on top of that list. EAB is the poster child of a highly invasive species, a nonnative species that causes ecological and economic harm, and in the case of EAB the impacts are evident and well documented. 

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