Project 1014: M. Meregalli, F. Menardio, K. Klass, P. Cervella. 2013. Phylogeny of the Saxifraga-associated species of Dichotrachelus (Insecta: Coleoptera: Curculionidae), with remarks on their radiation in the Alps. Arthropod Systematics & Phylogeny. 71 (1):43-68.