Dacnusa (Pachysema) arkadii TOBIAS, 1997
– 1 ♂: KU 16. 1 ♂: KU 32.
– Described on the basis of several female (39 ♀) and male (9 ♂) specimens from the Kuril Islands (BELOKOBYLSKIJ & TOBIAS 1997: 13). New to the fauna of Korea.