Aradus orientalis Bergroth, 1885: 7. HT: female, Japan; ZMHB?
Aradus iguchii Iguchi, 1908: 512 (syn. nov.). ST(S): Japan; not located.
Aradus iguchii Matsumura, 1913: 152 (syn. Usinger & Matsuda, 1959: 91). STS: male, female, Japan, Hokkaido (Sapporo) and Honshu (Iwate); EIHU.