The data in this checklist represents the Formicidae fauna of Luxembourg, it was extracted from the publications: * Wegnez P., Ignace D., Morro C. 2021. - Atlas des fourmis luxembourgeoises (Hymenoptera, Formicidae). Ferrantia 84, Musée national d'histoire naturelle, Luxembourg, 130 p. https://ps.mnhn.lu/ferrantia/publications/Ferrantia84.pdf Abstract: This myrmecological atlas is the result of a five-year research project (2013–2017) conducted throughout the Grand Duchy of Luxembourg and targeting all possible types of habitats in order to obtain the best possible representation of the fauna of Luxembourg ants, with their specificities and ecological requirements. We include a list of all 66 species that have been described in Luxembourg over the last more than hundred years with an indication of their conservation status. This research led to the discovery of nineteen new species for Luxembourg, namely: Tapinoma subboreale Seifert, 2012; T. melanocephalum (Fabricius, 1793); Camponotus herculeanus ...