Boreophilia fusca (CR Sahlberg, 1831)

Klimaszewski, Jan, Sikes, Derek S., Brunke, Adam & Bourdon, Caroline, 2019, Species review of the genus Boreophilia Benick from North America (Coleoptera, Staphylinidae, Aleocharinae, Athetini): Systematics, habitat, and distribution, ZooKeys 848, pp. 57-102 : 57

3. Boreophilia fusca (CR Sahlberg, 1831) Figs 24-31

Aleochara fusca CR Sahlberg, 1831: 371. Lohse et al. 1990: 152, Smetana 2004: 396.

Diagnosis.

Body broad, forebody moderately and abdomen slightly more glossy (Fig. 24); length 3.4-3.8 mm; head, pronotum and abdomen except for its apex dark brown, elytra dark-reddish brown, appendages light brown, or body entirely dark brown to almost black with tarsi reddish brown; antennomeres VIII-X subquadrate; pronotum shorter than elytra at suture, maximum width of pronotum distinctly less than maximum width of elytra. Male. Tubus of median lobe of aedeagus evenly arcuate laterally, apex narrow and slightly pointed in lateral view (Fig. 25), bulbus oval, broad basally and narrowed apically in dorsal view, and with two elongate sclerites of internal sac (Fig. 26); tergite VIII arcuate apically (Fig. 27); sternite VIII elongate, parabolic apically (Fig. 28). Female. Spermatheca: capsule pitcher-shaped basally with broadly tubular apical projection, moderately long and pointed apico-laterally, stem coiled posteriorly (Fig. 31); tergite VIII arcuate apically (Fig. 29); sternite VIII rounded apically, antecostal suture slightly sinuate (Fig. 30).

Distribution.

Holarctic species; recorded from Fennoscandia, Russia (west and east Siberia) and the Far East; Canada: NT; USA: AK.

Collection data.

Habitat: tundra. Collecting methods: not recorded in Nearctic region. Collecting period: June and July.

Additional material examined.

NEARCTIC: Canada, NT, Aklavik, 16.VI.1956, EF Cashmann, fusca Sahlb. Det. Lohse (MHNG) 1 male; NT, Aklavik, 29.VI.1956, EF Cashmann, fusca Sahlb. Det. Lohse (MHNG) 1 female.

PALEARCTIC: Finland: Muonio, Renkonen, 2531, A. fusca Sahlb., Renkonen det., coll. G Benick (MHNG) 2 females. Country unspecified: Bjerkeng Schn. 21.VI.1912, coll. G Benick (MHNG) 1 male.

DNA Barcode data.

Our data included two sequences of B. fusca , one from Finland and one from Manitoba, Canada, which grouped into BIN BOLD: AAG4311. BOLD reports these sequences have an average and maximum distance of 0.54% and are 9.68% distant from their nearest neighbor.