Taxon classification Animalia Coleoptera Staphylinidae

Stenus (Hypostenus) punctatus Erichson, 1840

Material examined.

New Brunswick, Charlotte Co., near New River, 45.21176°N, 66.61790°W, 7.VII.2006, 22.IX.2006, R.P. Webster // Eastern white cedar swamp, small pond & marsh, treading Carex hummocks into water (2 ♂, RWC). Queens Co., Grand Lake Meadows P.N.A., 45.8227°N, 66.1209°W, 5.VII.2010, R.P. Webster // Old silver maple forest & seasonally flooded marsh, treading (1 ♂, RWC); C.F.B. Gagetown, 45.7516°N, 66.1866°W, 20.V-4.VI.2015, C. Alderson & V. Webster // Old mixed forest with Quercus rubra, Lindgren funnel trap in canopy (1 ♂, RWC).

Distribution in Canada and Alaska.

ON, QC, NB (Bousquet et al. 2013).

Natural history.

In NB, this species was found in an eastern white cedar swamp in a small pond and marsh, a seasonally flooded marsh, and an old mixed forest. Specimens were collected by treading Carex hummock into water, treading marsh vegetation, and one was captured in a Lindgren funnel trap. Adults were collected in May, June, July, and September.