Stenus (Stenus) comma comma LeConte, 1863*

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 : 59-60

Taxon classification Animalia Coleoptera Staphylinidae

Stenus (Stenus) comma comma LeConte, 1863*

Material examined.

New Brunswick, Restigouche Co., Little Tobique River near Red Brook, 47.4465°N, 67.0689°W, 13.VI.2006, R.P. Webster // River margin, under debris on clay sand/mix (3 sex undetermined, RWC); Jacquet River Gorge P.N.A., 47.8257°N, 66.0780°W, 24.V.2010 R. P. Webster // margin of Jacquet River, clay bank on bare clay (3 sex undetermined, NBM; 1 sex undetermined, RWC); Sport Camp Brook, 47.9582°N, 68.0183°W, 30.VII.2012, R.P. Webster & M. Turgeon // Logging road through spruce & cedar forest, on mud/clay of dried puddle on roadside (1 sex undetermined RWC). York Co., Keswick River at Rt. 105, 45.9943°N, 66.8337°W, 18.VI.2004, R.P. Webster // River margin, splashing on clay/sand mix on steep bank (5 sex undetermined, RWC).

Distribution in Canada and Alaska.

AK, YK, NT, BC, AB, SK, MB, ON, QC, NB ( Bousquet et al. 2013).

Natural history.

Most adults of Stenus comma comma were found along river margins on (often steep) clay banks, on bare clay, under debris on clay/sand mix, and by splashing clay/sand mix on a steep bank. One individual was found on mud/clay in a dried puddle on a logging road. Specimens were collected during May, June, and July.