The emerald ash borer is known by entomologists by its acronym: EAB. It is the cause of arguably the most catastrophic tree death event in the history of North America. We just finished a 3 month deep dive interviewing EAB experts from around the country and compiling a list of things you need to know about EAB so we can all help scientists mitigate this problem.
It has killed many millions of ash trees across the Mid-West and Eastern U. This invasive pest is well-established in Maryland including the Eastern Shore. It was first introduced into Prince Georges County in and was confirmed to be infesting ash trees on the Eastern Shore in
Emerald ash borer adults are very small, metallic green beetles. Adult emerald ash borers emerge from beneath the bark of ash trees late May through mid-July. They create a D-shaped exit hole as they chew their way out of the tree.
The emerald ash borer Agrilus planipennis is a green buprestid or jewel beetle native to north-eastern Asia that feeds on ash species. Females lay eggs in bark crevices on ash trees, and larvae feed underneath the bark of ash trees to emerge as adults in one to two years. In its native range, it is typically found at low densities and does not cause significant damage to trees native to the area.
The highly destructive, non-native insect is responsible for the death or decline of millions of ash trees in more than 30 states and has already cost communities in the eastern U. Since its initial discovery in Michigan inthis insect has killed millions of ash Fraxinus spp. It is now considered the most destructive tree insect pest ever to be introduced into North America.
The emerald ash borer, Agrilus planipennis Fairmaire Figure 1is a highly destructive wood-boring beetle that feeds on the phloem of ash trees Fraxinus spp. Though it has not been found in Florida, there is potential for it to establish via movement of infested wood into the state and the presence of ash trees in Florida. Since first being recorded in Michigan inthe emerald ash borer has broadened its range in the United States and has killed millions of ash trees.
Northern Research Station 11 Campus Blvd. The emerald ash borer EABAgrilus planipennis Fairmaire Coleoptera: Buprestidaeis a wood-boring beetle indigenous to countries in northeastern Asia. Inthis invasive buprestid was identified as the killer of ash tree Fraxinus spp.