Brachyleptura champlaini Casey, 1913

New Brunswick: Kent Co., Kouchibouguac National Park, 11.VII.1978, H. Goulet (1, CNC). Northumberland Co., 5 km W of Renous River and Rt. 108, 3.VIII.2000, on Spiraea, D.F. McAlpine. Queens Co., Grand Lake near Scotchtown, 45.8946°N, 66.1383°W, 28.VII.2005, L. R. Capozi & R.P. Webster, on flowers of Cephalanthus occidentalis (3, NBM, RWC); Douglas Harbour, 45.9055°N, 66.1034°W, 23.VII.2007, R.P. Webster, margin of oak forest near lakeshore, on flowers of Spiraea alba (2, RWC).

All individuals are the dark form with yellowish brown lateral margins.