Atheta (Atheta) circulicollis Lohse, 1990 New Ontario Record Fig. 54Map 54 genitalia in Klimaszewski et al. (2011)

Material examined.

CANADA: ON:Hald.-Norfolk Reg., Cronmiller Prop., ~6km W St. Williams, 42°40'18"N, 80°29'24"W, forest, site 2, malaise pans, 17 to 31.v.2011, Brunke & Paiero, 1 (DEBU), Turkey Point Prov. Park, 42°41'48"N, 80°19'48"W, forest, malaise pans, 31.v to 15.vi.2011, Brunke & Paiero, 1 (DEBU); Northumberland Co., Peter’s Woods PNR, 44°7'27"N, 78°2'21"W, forest, malaise, 19.v to 1.vi.2011, Brunke & Paiero, 1 (DEBU), same data except: back woods, forest, malaise pans, 1 to 16.vi.2011, 1 (DEBU).

Distribution.

Canada: ON, QC, NB, NL (Lohse et al. 1990; Klimaszewski et al. 2011; Webster et al. 2012). Native.

Comments.

This species was previously known only from relatively northern, forested localities in Canada, including near the tree line in Quebec (Lohse et al. 1990). The collections made from southern Ontario forests are surprising and suggest a much broader distribution in northeastern North America.