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Published online by Cambridge University Press: 31 May 2012
Andrena nubecula race tristicornis n. race. Flagellum entirely black. Lakeside, Que., Aug. 20, 1929 (J. W. Buckle). Also from Milwaukee, Wis., July 26, 1902 (Graenicher). The specimens are females. The Lakeside specimen has curiously aberrant venation.
* Lakeside is on Montreal Island, 14 miles west of MOntreal P. O. Shawbridge is in Laurentian Mts., 50 miles north of Montreal. A. F. W.