Skuhrovec, Jiří, Rafał Gosik, and Roberto Caldara. 2014. “Immatures of Palaearctic Species of the Weevil Genus Tychius (Coleoptera, Curculionidae): New Descriptions and New Bionomic Data With an Evaluation of Their Value in a Phylogenetic Reconstruction of the Genus ”. Zootaxa 3839 (1). Auckland, New Zealand:1–83. https://doi.org/10.11646/zootaxa.3839.1.1.