Díaz-Calafat, J. 2020. First record of Sceliphron caementarium (Drury, 1773) (Hymenoptera: Sphecidae) in the Balearic Islands, with an identification key to the archipelago’s species of the genus Sceliphron Klug, 1801. Ecosistemas. 29, 1 (Apr. 2020), 1939. DOI:https://doi.org/10.7818/ECOS.1939.