Trachusa (Trachusa) byssina Panzer 1798

Apis byssina Panzer, 1798; Trachusa serratulae Panzer, 1804; Diphysis pyrenaica Lepeletier, 1841; Megachile resinana Schilling, 1849; Megachile rotundiventris Perris, 1852; Megachileoides serratulae (Panzer, 1804); Megachiloides serratulae (Panzer, 1804), incorrect subsequent spelling; Osmia bluethgeni Maidl, 1922; Trachusa byssina var. seitzi Cockerell, 1925; Megachile kychtacensis Cockerell, 1928