Anthidium diadema is a species of bee in the family Megachilidae, the leaf-cutter, carder, or mason bees.2004, Apoidea Database, Fauna EuropaeaCatalogue of Life : 2009 Annual Checklist : Literature references
Synonyms Synonyms for this species include:Anthidium diadema - - Discover Life Anthidium albiventre Latreille, 1809 Anthidium ornatum Lepeletier, 1841 Anthidium radoszkowskyi Mocsáry, 1887 Anthidium seraxense Radoszkowski, 1893 Anthidium terminale_homonym Morawitz, 1894 Anthidium diadema var obscurum Friese, 1897 Anthidium diadema var caucasicum_homonym Friese, 1897
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