Map of the western Alps showing the sources of populations of B. griseostriatus and relatives from which chromosome data were obtained. Symbols: * griseostriatus • alpestris ◆ ibericus ○ inexpectatus. New data indicated by exclamation mark (!).

  Part of: Angus RB, Angus EM, Jia F, Chen Z-n, Zhang Y (2015) Further karyosystematic studies of the Boreonectes griseostriatus (De Geer) group of sibling species (Coleoptera, Dytiscidae)–characterisation of B. emmerichi (Falkenström, 1936) and additional European data. Comparative Cytogenetics 9(1): 133-144.