Deroceras invadens and D. panormitanum in France 2019–2024, verified by John Hutchinson

Records of the invasive slugs Deroceras invadens and Deroceras panormitanum from France from 2019 to 2024. These samples were collected by John M.C. Hutchinson, who confirmed their identities on the basis of genital anatomy. The data are utilised in the following article: Ventura, M., Cucherat, X., Hutchinson, J.M.C., Noël, S., Mazuras, N. Dupont, L. & Roy, V. (2025). First records of the true Sicilian slug Deroceras panormitanum (Eupulmonata: Agriolimacidae) in France and mitochondrial sequences of three additional species of the genus Deroceras. Folia Malacologica 33(2): 91–103. https://doi.org/10.12657/folmal.033.006 Three files are provided: a Word document with full collection and identification details, a tab-delimited ASCII file with geographic coordinates and dates of collection, and a map with legend in pdf format.