Ribera, I., A. Castro, J. A. Díaz, J. Garrido, A. Izquierdo, M. A. Jäch, L. F. Valladares (2011) The geography of speciation in narrow-range endemics of the ‘Haenydra’ lineage (Coleoptera, Hydraenidae, Hydraena). Journal of Biogeography, 38(3): 502–516.