The invasive emerald ash borer has destroyed millions of trees – scientists aim to control it with tiny parasitic wasps
- Written by Kristine Grayson, Associate Professor of Biology, University of Richmond
Emerald ash borer larva cut these feeding galleries on the trunk of a dead ash tree in Michigan. corfoto via Getty ImagesThe 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...