Gyllenhal, L. (1833): In: Schoenherr C. J. 1833: Genera et species curculionidum, cum synonymia hujus familiae; a C.J. Schoenherr. Species novae aut hactenus minus cognitae, descriptionibus a Dom. Leonardo Gyllenhal, C. H. Boheman, et entomologis aliis illustratae. Tomus primus. -Pars prima. Parisiis: Roret, pp. i-xv + 1-381.
Further Description
Skuhrovec, J. et al. (2013): Digital-Weevil-Determination. Brachycerinae (Brachycerini, Erirhinini & Tanysphyrini). - SNUDEBILLER: Studies on taxonomy, biology and ecology of Curculionoidea 14, No. 215: 17 pp.