Chorological contributions from the Natural History Museum of Barcelona collection to the Ibero–Balearic fauna of the genus Dermestes Linnaeus, 1758 (Coleoptera, Dermestidae).—Chorological information of 15 Ibero–Balearic species of the genus Desmestes Linnaeus, 1758 is provided. Data were obtained from the review of 635 specimens housed in the entomological collection of the Natural History Museum of Barcelona. All examined material is listed, and the distributions are discussed taking into account the collection records and bibliographical sources. The distribution areas for most species have been extended.