The USDA Forest Service is developing a biological response to the Emerald Ash Borer by producing and distributing three types of parasitic wasps into areas with established emerald ash borer populations.  These wasps were found in China, which is thought to have been then origin of this destructive pest.  This video also discusses the scope of damage caused by EAB.  Produced by the Michigan State University School of Journalism.  Duration: 9:19.