Old World swallowtail butterfly (Papilio machaon), キアゲハ) on Physostegia virginiana flowers (obedience, ハナトラノオ [花虎の尾], 別名: カクトラノオ [角虎の尾]) behind Sakura Ryokuchi Park in Minamizakura, Yasu City
Old World swallowtail butterfly (キアゲハ) on Physostegia virginiana