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There are native species of Agrilus
in Michigan as well. This is why it is important
to know how to identify the Emerald Ash Borer correctly to the species
Larvae feed in the area between the bark
and the wood and adults feed on ash foliage.
Adults do not feed on ash foliage in sufficient quantities to kill the trees.
Kilned - wood that has been heated to
sufficient temperatures to kill pests and pathogens using it as a host.
Treated – to treat with chemicals (e.g., pesticide) to kill pests and
A more detailed diagram with explanations
may be included in your biology textbook.
If not, consult a botany, plant physiology or forest ecology textbook.
Some pictures are included on the USDA
Pest Alert sheet. More can be found at
www.emeraldashborer.info and the following slide…
These are fields that experts are
researching to find ways to control EAB and to determine our current ash
resource in Michigan and other states.
Genetic research is taking place in order to determine the genetic
diversity of the pest. The less
diversity, the more likely it is to be vulnerable to a certain pesticide or natural
enemy, such as a microbial disease.
Other states have an advantage over Michigan because they can prepare
themselves for the arrival of EAB and determine if they are able to set up any
geographical barriers to stop it.
Moving wood that has not been prepared
properly can artificially spread EAB. Lack
of a variety of trees and other plants in the urban forest leaves it more vulnerable
to new pests and diseases. Many streets
have been planted with only one kind of tree (e.g., ash). In such areas, a new pest or disease could destroy