Philonthus flavibasis Casey, 1915**

Webster, Reginald P., Smetana, Ales, Sweeney, Jon D. & DeMerchant, Ian, 2012, New Staphylinidae (Coleoptera) records with new collection data from New Brunswick and an addition to the fauna of Quebec: Staphylininae, ZooKeys 186, pp. 293-348 : 322-323

Philonthus flavibasis Casey, 1915** Map 47

Material examined.

New Brunswick, Carleton Co., "Two Mile Brook Fen", 46.3619°N, 67.6733°W, 6.V.2005, M.-A. Giguère & R. Webster, eastern white cedar forest/swamp, in moist sphagnum (1 ♂, 2 ♀, NBM, RWC). Charlotte Co., Rt. 3 at Deadwater Brook, 45.4744°N, 67.1225°W, 3.VI.2005, R. P. Webster, forested black spruce bog, in moist sphagnum (1 ♂, RWC); S of Little Pocologan River, 45.1537°N, 66.6269°W, 7.V.2007, R. P. Webster, black spruce and tamarack bog, in moss and litter (2 ♀, NBM, RWC); 3.5 km NW of Pomeroy Ridge, 45.3087°N, 67.4362°W, 5.V.2008, 18.VI.2008, R. P. Webster, red maple swamp, in sphagnum with grasses near margin of vernal pool (6 ♂, 1 ♀, NBM, RWC). Northumberland Co., Goodfellow Brook P.N.A., 46.8943°N, 65.3796°W, 23.V.2007, R. P. Webster, old-growth eastern white cedar swamp, in grass litter and moss on hummocks near pool (1 ♂, NBM). Restigouche Co., NE of jct. Little Tobique River and Red Brook, 47.4501°N, 67.0577°W, 24.V.2007, R. P. Webster, old growth eastern white cedar swamp, in moist sphagnum (2 ♂, 1 ♀, NBM, RWC); Jacquet River Gorge P.N.A., 47.8199°N, 66.0010°W, 25.VI.2008, R. P. Webster, mixed forest, margin vernal pool among moist leaves (1 ♂, NBM). Sunbury Co., Acadia Research Forest, 46.0173°N, 66.3741°W, 18.IX.2007, R. P. Webster, 8.5 year-old regenerating mixed forest, in sphagnum and leaf litter in old tire depression (4 ♂, 1 ♀, NBM, RWC). York Co., trail to Browns Mtn. Fen, 45.8978°N, 67.6273°W, 2.V.2005, M.-A. Giguère & R. Webster, mature eastern white cedar forest near stream, in leaf litter (2 ♂, NBM, RWC); Browns Mtn. Fen, 45.8967°N, 67.6343°W, 2.V.2005, M.-A. Giguère & R. Webster, eastern white cedar fen, in moist sphagnum in area with sedges (2 ♂, 2 ♀, NBM); New Maryland, off Hwy 2, E of Baker Brook, 45.8760°N, 66.6252°W, 28.IV.2005, 4.VI.2005, R. P. Webster, old-growth eastern white cedar swamp, in moss and litter at base of cedar (2 ♂, NBM); 9 km W of Tracy, off Rt.645, 45.6888°N, 66.8004°W, 22.V.2008, R. P. Webster, Carex marsh in hummock (1 ♀, NBM).

Collection and habitat data.

This species was mostly found in sphagnum bogs and swamps, and adults were collected by sifting sphagnumand other mosses, leaf litter, grasses, cedar duff or treading vegetation into water ( Smetana 1995). In New Brunswick, most adults were found in eastern white cedar swamps or tamarack bogs and were collected either by treading or sifting moist sphagnum. Adults were collected in April, May, June, and September.

Distribution in Canada and Alaska.

AB, MB, ON, QC, NB ( Smetana 1995).

Figures

Map 47. Collection localities in New Brunswick, Canada of Philonthus flavibasis.