Town of Saukville - Tiny parasitic wasps, Wisconsin's newest weapon in the war against the emerald ash borer, took flight Wednesday in a forest that is under siege from the invasive tree killer.
Two species of stingless Asian wasps that feast on the larvae of the emerald ash borer were released by scientists from the University of Wisconsin-Madison at the Riveredge Nature Center.
Watch a video about the Riveredge Nature Center wasp release on Fox News website. http://www.fox6now.com/