Dineutus emarginatus (Say, 1825)

Pentinsaari, Mikko, Anderson, Robert, Borowiec, Lech, Bouchard, Patrice, Brunke, Adam, Douglas, Hume, Smith, Andrew B. T. & Hebert, Paul D. N., 2019, DNA barcodes reveal 63 overlooked species of Canadian beetles (Insecta, Coleoptera), ZooKeys 894, pp. 53-150 : 53

Dineutus emarginatus (Say, 1825)

Distribution.

Native to the Nearctic region. Widespread in the eastern United States ( Gustafson and Miller 2015).

Canadian records.

Ontario: Charleston Lake Provincial Park, 22-Jun-2015 (2 exx, CBG); Charleston Lake Provincial Park, 25-Jun-2015 (2 exx, CBG).

Diagnostic information.

See Gustafson and Miller (2015).

Bionomic notes.

Recorded from a variety of lotic and lentic freshwater habitats ( Gustafson and Miller 2015). The Canadian adult specimens were hand-collected at a boat launch site on the shore of Charleston Lake, and two larvae matched to the adults by barcode sequences were collected with a dip net at a different site in the same lake.