Dakota Gardener: Emerald ash borer by the numbers

Emerald ash borer larvae chew a serpentine gallery beneath the bark. NDSU photo
Emerald ash borer larvae chew a serpentine gallery beneath the bark. NDSU photo

In case you missed it last week, emerald ash borer (EAB) was found in Bismarck, North Dakota. City crews were removing some declining ash trees and noticed the telltale signs of EAB – serpentine galleries beneath the bark and D-shaped exit holes. The arborists looked closer and found the insect itself.

Bummer.

EAB is a very destructive pest, and its impact on North Dakota will be big. That’s pretty …