Anthidium diadema

Anthidium diadema is a species of bee in the family Megachilidae, the leaf-cutter, carder, or mason bees.

Synonyms
Synonyms for this species include:
 * 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