A new species of the genus Duvalius sg. Neoduvalius from Montenegro with taxonomical remarks on the genus Duvalius (Coleoptera, Carabidae, Trechini).

Duvalius (sg. Neoduvalius) gejzadunayi sp. n. from Pecina u Dubokom potoku cave (Donje Bisevo village near Rozaje, Montenegro), the first known representative of this subgenus from the territory of Montenegro is described, illustrated and compared with the related species of the subgenus Neoduvalius Muller, 1913. This new species is characterised by depigmented, medium sized body, totally reduced eyes, deep and complete frontal furrows, 3-4 pairs of discal setae in third elytral stria, as well as by the shape of aedeagus. Data on the distribution and the ecology of this remarkable species, as well as a check-list of the subgenus Neoduvalius are also provided. Recently described genera Serboduvalius Curcic, S. B. Pavicevic & Curcic, B. P. M., 2001, Rascioduvalius Curcic, S. B. Brajkovic, Mitic & Curcic, B. P. M., 2003, Javorella Curcic, S. B. Brajkovic, Curcic, B. P. M. & Mitic, 2003 and Curcicia Curcic, S. B. & Brajkovic, 2003 are regarded as junior synonyms of the genus Duvalius Delarouzee.