Tsuji, N., & Yoshitake, H. (2026). Description of a new species of the genus Protacallodes Morimoto (Coleoptera: Curculionidae: Molytinae) from Japan, with notes on other Japanese species and a key to all known species. Zootaxa, 5802(2), 323–334. https://doi.org/10.11646/zootaxa.5802.2.5