37. Atheta circulicollis Lohse

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

References. Lohse et al. 1990. Klimaszewski et al. 2011, 2021, 2018. Brunke et al. 2012. Webster et al. 2012.

Distribution. Nearctic, transcontinental in Canada, reported from A/S (Klimaszewski et al. 2021). Canada: LB, NB, NF, NT, ON, QC. USA: AK, NH (NSR).

Collection and Habitat data. In NH captured by FITs in a secondary boreal forest and a mixed forest, and in pine litter. In Canada found in leaf litters: in NB in old-growth eastern white cedar swamps in moss and leaves under alders on brook margin and among moist leaves at base of tree, and in mixed forest in a Pleurotus sp. on the side of a log; in NF found in pitfall traps in fir forests, riparian forests, and a recently burned coniferous forest. Specimens from southern ON were taken by flight intercept traps in a flooded mixed forest and other unspecified forests (Klimaszewski et al. 2018). Lohse et al. (1990) reported it from northern boreal forest localities in QC as far north as tree line.

Material. USA, New Hampshire, Coos Co.: 1 mi NE East Inlet Dam, 12–24.VI.1986, D.S. Chandler, FIT, 1 female . Strafford Co.: Kingman Farm, 3.5 km N Durham, 47m, 3–17.IX.2009, forest, FIT, 1 female . 3 mi E Durham, 17.XI.1981, DS Chandler, sift pine litter, 1 male .