Reference
Benjamin Waclawik, Francesco Nugnes, Umberto Bernardo, Maja Przybycien, Dorota Lachowska-Cierlik (2021): An integrative revision of the subgenus Liophloeodes (Coleoptera: Curculionidae: Entiminae: Polydrusini): taxonomic, systematic, biogeographic and evolutionary insights – Arthropod Systematics and Phylogeny – 79: 419 - 441.