Published in Ann. Soc. Entomol. Belg., in 1920, in volume 60, pages 59-61

Created: 2011-06-08, modified: 2011-10-03

Published in Annales de la Société Entomologique de Belgique, in 1920, in volume 60, pages 67-83

Created: 2013-12-09, modified: 2013-12-09

Published in Annales de la Société Entomologique de Belgique, in 1920, in volume 60, pages 93-104

Created: 2010-07-08, modified: 2016-04-22

Published in Annales de la Société Entomologique de Belgique, Bruxelles, in 1920, in volume 60, pages 137-145

Created: 2011-06-01, modified: 2016-04-22