Carpelimus spretus (Casey, 1889)

Webster, Reginald P., Davies, Anthony E., Klimaszewski, Jan & Bourdon, Caroline, 2016, Further contributions to the staphylinid fauna of New Brunswick, Canada, and the USA, with descriptions of two new Proteinus species (Coleoptera, Staphylinidae), ZooKeys 573, pp. 31-83 : 53

Taxon classification Animalia Coleoptera Staphylinidae

Carpelimus spretus (Casey, 1889) Figs 34-35

Material examined.

Canada, New Brunswick, Carleton Co., Hartland, Hwy 2 at St. John River, 46.3136°N, 67.5376°W, 2.VIII.2004, R.P. Webster // River margin, on moist clay soil among tall grass (1 sex undetermined, RWC). Hartland, Middle Becaguimec Island, 46.3038°N, 67.5333°W, 23.VI.2006, R. Capozi & R. Webster // Margin of Saint John River, among cobblestones near water (1 ♀, RWC); Belleville, Meduxnekeag Valley Nature Preserve, 46.1942°N, 67.6832°W, 2.VI.2008, 9.VI.2008, R.P. Webster // River margin, among small cobblestones set in sand and fine gravel near water’s edge (1 ♂, 1 ♀, HNHM; 1 ♂, 1 ♀, RWC); same locality but 46.1931°N, 67.6825°W, 31.V.2005, R.P. Webster, coll. // river margin under drift material (1 ♂, HNHM). Queens Co., Grand Lake at Whites Cove, 45.86795°N, 66.06415°W, 4.VIII.2005, R.P. Webster // Lake margin, cobblestone beach, under cobblestones (1 ♂, RWC). York Co., 1.5 km N of Durham Bridge, 46.1408°N, 66.6179°W, 15.VI.2008, R.P. Webster // Nashwaak River, river margin, among cobblestones near outflow of brook 1 ♂, 2 ♀, RWC).

Distribution in Canada and Alaska.

NB (New Canadian record). See comments above regarding Carpelimus spretus and the Palaearctic Carpelimus rivularis . Downie and Arnett (1996) cited Carpelimus spretus as a valid species with the type localities (MD, NC, and PA). Ulke (1902) recorded Carpelimus spretus from DC.

Natural history.

Carpelimus spretus were collected along river margins in NB. Adults were typically found among cobblestones near water’s edge. Adults were collected in June and August.