Svata Louda
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Svata Louda, a professor of biology at the University of Nebraska at Lincoln, referring to Dean Pearson's study, said that what Dean has found is frivolous and that they don't know what they're doing when they mess up natural systems. A major worry is that the introduced enemy will drift off target. Dr. Louda has studied the thistle flowerhead weevil that was imported from France and Italy in the 1970's to control a weed called the musk thistle, which spread across grazing land.