↑Sharp, D. (1896) The Rhynchophorous Coleóptera of Japan. Part IV. Otiorhynchidae and Sitonides, and a genus of doubtful position from the Kurile Islands. Transactions of the Entomological Society of London 1896(1): 81–115. [III–1896], 1896(1), 81–115.
↑Morimoto, K., Nakamura, T. & Kannô, K. (2015) The Insects of Japan, 4. Curculionidae: Entiminae (Part 2) (Coleoptera). Touka Shobo, Fukuoka. 758 pp.
↑Borovec, R. (2010) A taxonomic study of Eastern Palaearctic Omiini (Coleoptera: Curculionidae: Entiminae). Acta Entomologica Musei Nationalis Pragae 50(2), 577–594.
↑Borovec, R. (2015) Three new Omiini species from eastern Palaearctic region, sifted by Michael Košťál (Coleoptera: Curculionidae: Entiminae: Omiini). Folia Heyrovskyana (A) 23 (1): 1-10.