Boreostiba frigida (J. Sahlberg)

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 : 46-47

77. Boreostiba frigida (J. Sahlberg) *

(Illustrations in Lohse et al. 1990, Klimaszewski et al. 2021), Table 1

References. Sahlberg 1880. Brundin 1840. Lohse et al. 1990 [as B. lamellifera Lohse ]. Gusarov 2003. Klimaszewski et al. 2011, 2018, 2021.

Distribution. Holarctic, transcontinental, recorded from A/S ( Klimaszewski et al. 2021). CANADA: LB, QC, YT. USA: AK, NH (NSR).

Collection and Habitat data. The NH specimens were captured in dwarf Salix , Vaccinium , leatherleaf litter at elevations above tree line, 1584–1828m. All were taken in September. In Canada and Alaska found in tundra areas; snowfields, under rocks, on moss, splash zone of rocks, driftwood, and under creek-side rocks ( Klimaszewski et al. 2021).

Material. USA, New Hampshire, Coos Co.: Mt. Washington above tree line, 5200–5700’, 10.IX.1987, J.M. Campbell and A. Davies, dwarf Salix , Vaccinium , leatherleaf litter ( CNC) 2 males. Mt. Washington, Alpine Garden, 5300’, 12.IX.1987, J.M. Campbell and A. Davies, sifting dwarf Salix litter ( CNC), 1 male. Mt. Washington, 5800–6000’, 10.IX.1987, A. Smetana ( CNC), 2 females.

Comments. Gusarov (2003) resurrected B. frigida from synonymy with B. sibirica ; verified records of the former species were then known only from QC and YT. Klimaszewski et al. (2011) reported this species from LB, while Klimaszewski et al. (2021) reported it from AK.