Beetle species moving west; said to kill ash trees within 3 to 5 years of infestation By Kelli Siehl, Staff Writer, The Times The Emerald Ash Borer, Agrilus planipennis Fairmaire, is a green beetle native to Asia. It is an invasive species, responsible for the loss of millions of ash trees in North America. POCOPSON — While the stink bug has been a much-despised recent addition to the local insect...