Protect Your Ash Trees with DIY Emerald Ash Borer Prevention Martie’s in Elk River, MN – Your Local Resource for Imidacloprid and Tree Protection What Is the Emerald Ash Borer? The Emerald Ash Borer (EAB) is an invasive beetle responsible for killing millions of ash trees across Minnesota. Once infected, trees can die within a few years. That’s why early prevention is essential. [caption id="attachment_15031" align="alignnone" width="300"] Emerald Ash Borer…