The occurrence of some Atholus-species in Taiwan is discussed. Atholus confinis was for the first time reported from Taiwan. Atholus ixion (Lewis, 1892) has been synonimized with A. pirithous (Marseul, 1873). Lecto-and paralectotypes for A. confinis (Erichson, 1834) and A. rothkirchi (Bickhardt, 1919) are designated. A key to species of Atholus from Taiwan is given.