Brachyusa helenae (Casey)

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 : 118

245. Brachyusa helenae (Casey)

(Illustrations in Klimaszewski et al. 2018, Brunke et al. 2021), Table 1

References. Casey 1911. Klimaszewski et al. 2011, 2012, 2016, 2018, 2020, 2021. Brunke et al. 2012. Webster et al. 2012.

Distribution. Nearctic. Canada: BC, LB, NB, NF, NT, ON, SK, YT. USA: AK, MT, NH (NSR).

Collection and Habitat data. Both NH specimens were taken by sweeping riparian vegetation along the Connecticut River in July and September. In Canada found in litter, gravel, flood debris, and grasses along shores of rivers and streams near flowing water, and in debris of an American beaver ( Castor canadensis Kuhl ) dam near the outflow area; one specimen from debris within wall of beaver lodge ( Webster et al. 2012, Klimaszewski et al. 2021). In BC specimens were collected in sedges along a creek, and from river debris and in coarse woody debris ( Klimaszewski et al. 2020).

Material. USA, New Hampshire, Grafton Co.: Bedell Bridge St. Park @ Oliverian Brook, 3.VII.1992, D.S. Chandler, sweep riparian vegetation along river, 1 female ; 29.IX.1992, D.S. Chandler, sweep riparian vegetation along river, 1 sex?