Boreostiba parvipennis (Bernhauer)

Klimaszewski, Jan, Chandler, Donald S., Davies, Anthony & Bourdon, Caroline, 2023, Aleocharine rove beetles of New Hampshire, USA: new taxa and new records (Coleoptera, Staphylinidae, Aleocharinae), Zootaxa 5364 (1), pp. 1-141 : 47-48

79. Boreostiba parvipennis (Bernhauer)

(Illustrations in Klimaszewski et al. 2018), Table 1

References. Bernhauer 1907. Lohse et al. 1990 [as B. hudsonica ]. Gusarov 2003. Klimaszewski et al. 2008a,b, 2011, 2015a, 2018, 2020, 2021.

Distribution. Nearctic, transcontinental in Canada, recorded from A/S ( Klimaszewski et al. 2021). Canada: AB, BC, LB, MB, NF, NT, ON (NPR), QC, YT. USA: AK, NH.

Collection and Habitat data. The NH specimens were collected from high elevations of usually 1524–1737m from June to September—most specimens were taken in September. Found in Vaccinium , dwarf Betula , leatherleaf litter near a lake; in Salix , Vaccinium , leatherleaf litter; in Vaccinium , leatherleaf litter with moss and grasses; in dwarf Salix litter; and in Alnus and Spirea litter; in litter along stream. In AK found in Salix , Alnus , Populus balsamea litter; litter in forest, mostly spruce, and some aspen; and shrub, alder, dwarf birch, grass, clubmoss, litter In Canada found in tamarack open forest, fir and spruce forests; from detritus on a sandy beach, and on a rotting mushroom ( Klimaszewski et al. 2021).

Material. USA, New Hampshire, Coos Co.: Mt. Monroe, around Lakes of the Clouds, 5000–5100’, 10.IX.1987, J.M. Campbell and A. Davies, Vaccinium , dwarf Betula , leatherleaf litter near lake ( CNC), 2 males, 5 females, 3 sex?; 5000’, 10.IX.1987, A. Smetana ( CNC), 1 male, 2 sex? Mt. Washington, above tree line, 5200–5700’, 10.IX.1987, J.M. Campbell and A. Davies, Salix , Vaccinium , leatherleaf litter ( CNC), 1 male, 2 females, 4 sex? Mt. Washington, Alpine Garden, 5300’, 12.IX.1987, J.M. Campbell and A. Davies, sifting dwarf Salix litter ( CNC), 4 males, 3 females, 16 sex?; sifting dwarf Betula and Salix litter ( CNC), 2 males, 2 sex? Mt. Washington above tree line, 5300–5700’, 10.IX.1987, J.M. Campbell and A. Davies, dwarf Salix , Vaccinium , leatherleaf litter ( CNC), 2 males, 2 females, 3 sex? Mt. Washington, Auto Rd., Mi 5.3, 4750’, Cragway Spring, 14.IX.1987, A. Davies, sifting Alnus and Spirea litter ( CNC), 2 males, 4 sex? Mt. Washington, Crawford Path, 5500’, 10.IX.1987, A. Davies, sifting Vaccinium , leatherleaf litter with moss and grasses ( CNC), 1 sex? Mt. Washington, 5800–6000’, 10.IX.1987, A. Smetana ( CNC) 1 female, 1 sex? Mt. Washington, Lakes of the Clouds, 5000’, 10.IX.1987, A. Smetana ( CNC), 1 female, 1 sex? White Mts., Glen Boulder Trail, 2500’, 17.VIII.1976, J.M. and B.A. Campbell ( CNC), 1 male. Mt. Washington, Auto Road, 2700’, 7.VIII.1982, D.S. Chandler, sift litter along stream, 1 male. Mt. Washington, Alpine Garden, 18.VI.1982, D.S. Chandler, sift fir, spruce, & willow litter, 4 males, 1 female; 11.IX.1981, D.S. Chandler, berlese spruce litter, 1 male, 10 females; 7.VIII.1982, D.S. Chandler, sift willow litter, 2 males, 1 female. Mt. Washington, Halfway House, 18.VI.1982, 3 males, 5 females; 25.VI.1982, D.S. Chandler, sift birch & fir litter, 1 male, 2 females. Canada, Ontario, Algonquin Provincial Park, mi 28 on rt. 60, spruce bog trail, moss, 22.XI.1975, S. Peck ( CNC) 1 female. Quebec, Mare-du-Sault, Parc des Laurentides, 2700’, 15–17.VIII.1970, J.M. and B.A. Campbell ( CNC) 2 males, 1 female, 1 sex?

Comments. This northern species is found only at high elevations in NH, and probably represents a relict population from the period of glaciation. It is transcontinental in northern Canada and occurs also in Alaska ( Klimaszewski et al. 2018, 2021).