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).