Authors: S W Williston

Published in Can. Ent, in 1883, in volume 15, pages 69-72

Created: 2011-06-04, modified: 2011-06-21

Authors: H Osborn

Published in Canadian Entomologist, in 1883, in volume 15, pages 151-156

Created: 2010-11-23, modified: 2011-06-21