The Gyrinidae (Coleoptera) of the Maritime Provinces of Canada: new records, distribution, and faunal composition Author Majka, Christopher Nova Scotia Museum, Halifax, NS, Canada Author Kenner, Rex University of British Columbia, Vancouver ,, Canada text ZooKeys 2009 2009-09-28 22 22 355 372 journal article 10.3897/zookeys.22.216 92568fbc-5aca-4da9-8cc1-1b79de424966 1313–2970 576544 Dineutus discolor Aubé, 1838 Dineutus discolor was reported from Nova Scotia by Roughley (1991) . It has been recorded from the mainland of the province (Fig. 7). Morrissette (1979) reported that it preferred clear, running water.