FIGURES 16–19. 16 in Supplementary data and taxonomic changes in the subterranean beetles of the Balkan Peninsula from July 1 2016 to September 30 2023

FIGURES 16–19. 16: Duvalius (Biharotrechus) semecensis tarensis Ćurčić & Vesović 2022 (ex Ćurćić et al. 2022: 78), 4.31– 5.18 mm. 17: Duvalius (s. str.) augusti Casale et al. 2021 (ex Casale et al. 2021: 195), 5.78 mm. 18: Duvalius (s. str.) chironis Casale et al. 2017 (ex Casale et al. 2017: 126), 3.53–4.12 mm. 19: Duvalius (s. str.) loebli Casale et al. 2018 (ex Casale et al. 2018: 139), 4.41–5.24 mm.