Scientists around the United States are studying a natural enemy of the brown marmorated stinkbug that has been imported from China with the hope that it might help keep the pest in check in this country. The parasitic wasp Trissolcus halyomorphae was collected in the fall of 2011 by U.S. Department of Agriculture scientists in China, where it was found emerging from brown marmorated stinkbug eggs. The species was not known before. It was imported into a USDA rearing facility in Delaware and is being held in quarantine until scientists determine if it would safe to release as a potential […]