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Washington State Penitentiary's 'butterfly wranglers' aid wine industry

September 27, 2013

The wranglers, a group of inmates who breed monarch butterflies at the prison as part of a Washington State University migratory research project, have taken on a new task to aid the state's wine grape growers: counting mites and insects on grape leaves to provide up-to-date information about pests and their predators.



Region: Washington