Dryops viennensis (Heer, 1841)**

Webster, Reginald P. & DeMerchant, Ian, 2012, New Coleoptera records from New Brunswick, Canada: Dryopidae, Elmidae, Psephenidae, and Ptilodactylidae, ZooKeys 179, pp. 67-75 : 68

Dryops viennensis (Heer, 1841)** Map 1

Material examined.

New Brunswick, Carleton Co., (Jackson Falls) "Bell Forest", 46.2152°N, 67.7190°W, 21.VIII.2004, R. P. Webster, river margin, under cobbles (1, RWC); Hartland, Becaguimec Island (in Saint John River), 46.3106°N, 67.5372°W, 16.IX.2006, R. P. Webster, river margin, under cobbles (1, RWC); Meduxnekeag Valley Nature Preserve, 46.1888°N, 67.6762°W, 19.VII.2009, R. P. Webster, river margin, under rock (1, RWC). Madawaska Co., Baker Brook, island in Saint John River, 47.2972°N, 68.5123°W, 26.VII.2006, R. Capozi & R. Webster, river margin among cobblestones near water (1, RWC); 4.0 km W of Saint-Hilaire on Saint John River, 47.2875°N, 68.4586°W, 27.VII.2006, R. Capozi & R. Webster, river margin among cobblestones near water (1, RWC). Restigouche Co., confluence of Restigouche River and Stillwater Brook, 19.VIII.1999, R. Webster & D. Arseneault, rocky and gravel river margin, under cobbles (3, RWC); Jacquet River Gorge P.N.A., 47.8256°N, 66.0770°W, 13.VIII.2010, R. P. Webster, large shaded brook, among cobblestones (1, NBM).

Collection and habitat data.

Nearly all adults of Dryops viennensis from New Brunswick were found along rivers and larger brooks under or among cobblestones above the waterline but close to the edge of the water. Adults collected during July, August, and September.

Distribution in Canada and Alaska.

QC, NB ( LeSage 1991d).