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Invasive non-native insects have been called the “wildfires of the East,” given the damage they cause to trees. One pest, the emerald ash borer, has killed hundreds of millions of rural and urban ash trees.  To help arborists and city…

The emerald ash borer (Agrilus planipennis) is a deceptively attractive metallic-green adult beetle with a red abdomen. But few people ever actually see the insect itself – just the trail of destruction it leaves behind under the bark of ash…