L. Magnano, „Lectotype and neotype designations in Dodecastichus Stierlin, 1861 and Otiorhynchus Germar, 1824 (Coleoptera: Curculionidae)“., contrib.entomol., Bd. 48, Nr. 2, S. 449–468, Okt. 1998, doi: 10.21248/contrib.entomol.48.2.449-468.