Gyllenhal, L. (1835): In: Schoenherr C. J.: Genera et species curculionidum, cum synonymia hujus familiae. Species novae aut hactenus minus cognitae, descriptionibus a Dom. Leonardo Gyllenhal, C. H. Boheman, et entomologis aliis illustratae. Tomus tertius, pars prima. (1836). Parisiis: Roret, pp. 1-505.
Further Description
Skuhrovec, J, et al. (2013): Digital-Weevil-Determination for Curculionoidea of West Palaearctic. Brachycerinae (Brachycerini, Erirhinini & Tanysphyrini). - SNUDEBILLER: Studies on taxonomy, biology and ecology of Curculionoidea 14, No. 215: 17 pp.