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The Emerald Ash Borer Beetle

Emerald Ash BorerEmerald Ash Borer, also known as Agrilus planipennis Fairmaire is an Asian beetle that was discovered back in 2002 in the province of Ontario, Canada. The species of beetle Emerald ash borer was specifically found in Windsor and South Eastern parts of Michigan and Ontario. The problem with this particular species is that it infects and then kills local North American Ash trees. These local Ash species include Blue, White and Black Ash species.

Basically, this Asian beetle causes damage by its larvae. The larvae feed in tunnels referred to as galleries within the tree. These galleries are located within the phloem of the tree, just beneath the bark. These galleries then disrupt the flow of water and nutrients up the tree which then results in the withering of the branches and the tree eventually dies. This is a major problem that is caused by Emerald ash borer.

An adult Emerald ash borer beetle will normally leave a distinct D-like shape used for exiting the bark of the trees. They are usually about 3/8ths to 5/8ths of an inch in length. They normally have a purple or red abdomen and metallic green wing covers. These beetles are common in the months of May to September though they are most abundant in July and June.