Key to the genera of nearctic Syrphidae Miranda G.F.G, Young A.D., Locke M.M., Marshall S.A., Skevington J.H., Thompson F.C. 2013. Can. J. Arthropod Identification 23: 1‒351.
Contributed by Martin Hauser on 11 June, 2006 - 5:40pm Additional contributions by Beatriz Moisset, v belov Last updated 18 January, 2014 - 5:51pm