Hygrobates calliger Piersig 1896

Hygrobates calliger Piersig, 1896 Published records: Montenegro: Croatia: Žeželj Vidoša et al. (2023); Pešić et al. (2021a); Greece: Pešić et al. (2021b). Distribution: Palaearctic. Remarks: Recently, using an integrative approach, Pešić et al. (2022a) showed that H. calliger -like species represent a species complex consisting of at least six distinct but previously overlooked lineages. Regarding the spatial pattern, some of these lineages (e.g., H. calliger Clade 1, -2 and- 5 sensu Pešić et al. 2022) have a wider distribution, while other lineages (e.g., H. calliger Clade 3 from Calabria and H. tyrrhenicus Pešić & Smit, 2022 from Corsica) are apparently more restricted.