Taxon profile
Links and literature
de Jong, Y.S.D.M. (ed.): Fauna Europaea 2.4 [http://www.faunaeur.org] [as Otiorhynchus difficilis Stierlin, 1858]Data retrieved on: 9 March 2012
M.A. Alonso-Zarazaga, H. Barrios, R. Borovec, P. Bouchard, R. Caldara, E. Colonnelli, L. Gültekin, P. Hlaváč, B. Korotyaev, C.H.C. Lyal, A. Machado, M. Meregalli, H. Pierotti, L. Ren, M. Sánchez-Ruiz, A. Sforzi, H. Silfverberg, J. Skuhrovec, M. Trýzna, A. J. Veláquez de Castro & N. N. Yunakov (2023): Cooperative Catalogue of Palaearctic Coleoptera Curculionoidea. 2nd Edition., Monografías electrónicas S.E.A. 14, 780 pp. [as Otiorhynchus (Metopiorrhynchus) difficilis Stierlin, 1858]Data retrieved on: 17 December 2024