Duvalius (Biharotrechus) semecensis semecensis from the Vrteljka Cave, village of Đipi, near the town of Višegrad, Mt. Sjemeć, eastern Bosnia and Herzegovina 10 HT male, habitus, dorsal aspect 11 HT male, head, lateral aspect 12 locality data label of HT male 13 taxonomic name label of HT male. Scale bars: 2 mm (10); 0.5 mm (11).

 
 
  Part of: Ćurčić S, Vesović N, Kuraica M, Bosco F, Ćurčić NB, Vrbica M (2022) A new subspecies of the genus Duvalius Delarouzée, 1859 (Coleoptera, Carabidae, Trechini) from western Serbia, with a key and an annotated catalogue of Serbian Biharotrechus and Duvalius s. str. taxa. Subterranean Biology 43: 73-95. https://doi.org/10.3897/subtbiol.43.76049