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By: Webster, Reginald P. - Sweeney, JonType: ArticleIn: ZooKeysVolume: 573Series:Issue:Date: 2016Page Range: 19-30Publication Info: Pensoft Publishers 2016Subjects: Canada Chaetarthriinae Enochrinae Helophoridae Hydrochidae Hydrophilidae Hydrophilinae New Brunswick new records Sphaeridiinae