Supplementary material 4 from: Le Féon V, Garrin M, Genoud D, Aubert M, Dufrêne É, Filipe M, Flacher F, Ramage T, Stoquert A, Vassel S, Geslin B (2025) Exploring the bee fauna on the islands of Brittany (France): an initial survey reveals a remarkable species richness. Biodiversity Data Journal 13: e138570. https://doi.org/10.3897/BDJ.13.e138570

Presence-absence data of bee species on each island and status in the European Red List of bees