Maps depicting all Niphargus sp. findings and their respective taxonomic assignment from the current citizen science project (red circles) as well as all previously known findings of the respective species (orange circles). One species is new to science (A) and two species are reported for the first time for Switzerland (C, D). Six species (B, E–I) were previously reported from Switzerland. Map G shows all cryptic N. rhenorhodanensis species, including the newly found specimen of lineage H in red. Geodata from Federal Office of Topography.