Trichiusa hirsuta Casey, 1906

Webster, Reginald P., Klimaszewski, Jan, Bourdon, Caroline, Sweeney, Jon D., Hughes, Cory C. & Labrecque, Myriam, 2016, Further contributions to the Aleocharinae (Coleoptera, Staphylinidae) fauna of New Brunswick and Canada including descriptions of 27 new species, ZooKeys 573, pp. 85-216 : 141-143

Taxon classification Animalia Coleoptera Staphylinidae

Trichiusa hirsuta Casey, 1906 Figs 287-294

Trichiusa hirsuta (For diagnosis see Brunke et al. 2012)

Material examined.

New Brunswick, Carleton Co., Jackson Falls, "Bell Forest", 46.2200°N, 67.7231°W, 2-12.VI.2008, 12-19.VI.2008, 5-12.VII.2008, R.P. Webster, coll. // Rich Appalachian hardwood forest with some conifers, Lindgren funnel traps (2 ♂, 2 ♀, LFC); same data but 1-8.VI.2009, 8-16.VI.2009, 21-28.VI.2009, R. Webster & M.-A. Giguère, coll. // Rich Appalachian hardwood forest with some conifers, Lindgren funnel traps (3 ♂, 2 ♀, RWC). Charlotte Co., 5.2 km NW of Pomeroy Ridge, 45.3087°N, 67.4362°W, 16.VI.2008, R.P. Webster, coll. // Red maple swamp, in sphagnum with grasses near vernal pond (1 ♂, LFC; 1 ♀, RWC). Northumberland Co., ca, 2.5 km W of Sevogle, 47.0876°N, 65.8613°W, 28.V-11.VI.2013, C. Alderson & V. Webster // Old Pinus banksiana stand, Lindgren funnel trap (3 sex undetermined, AFC); ca. 1.5 km NW of Sevogle, 47.0939°N, 65.8387°W, 28.V-11.VI.2013, C. Alderson & V. Webster // Populus tremuloides stand with a few conifers, Lindgren funnel trap 1 m high under Populus tremuloides (1 sex undetermined, AFC). Saint John Co., Chance Harbour off Rt. 790, 45.1355°N, 66.3672°W, 12.V.2008, R.P. Webster, coll. // Calcareous fen, in sphagnum & litter in depressions with Carex (1 ♂, RWC). Sunbury Co., Acadia Research Forest, 45.9866°N, 66.3841°W, 19-25.V.2009, 25.V-2.VI.2009, 2-16.VI.2009, R. Webster & M.-A. Giguère, coll. // Red spruce forest with red maple and balsam fir, Lindgren funnel traps (2 ♂, AFC; 1 ♀, RWC). York Co., 15 km W of Tracy, off Rt. 645, 45.6848°N, 66.8821°W, 1-8.VI.2009, 28.VI-7.VII.2009, R. Webster & M.-A. Giguère, coll. // Red pine forest, Lindgren funnel traps (1 ♂, 1 ♀, RWC).

Natural history.

Most adults from NB were captured in Lindgren funnel traps in the following forest types: rich Appalachian hardwood forest, old jack pine stand, trembling aspen ( Populus tremuloides Michx.) stand, red spruce forest with red maple and balsam fir, and a red pine ( Pinus resinosa Ait.) forest. Specimens with microhabitat data were sifted from sphagnum and grasses near a vernal pond in a red maple swamp, and sphagnum and litter in depressions with Carex in a calcareous fen. In ON, Brunke et al. (2012) reported Trichiusa hirsuta from upland forest or semi-forest habitats on sandy soil. Adults were collected during May and June in both ON ( Brunke et al. 2012) and NB.

Distribution in Canada and Alaska.

ON, NB ( Brunke et al. 2012; Bousquet et al. 2013). Brunke et al. (2012) reported Trichiusa hirsuta for the first time for Canada from ON. This species is widespread in NB.