Aradus laeviusculus Reuter, 1875b: 329. HT: male, Finland, Yläne; MZHF.
Aradus simillimus Reuter, 1875b: 328 (downgraded to var. by Reuter, 1900f: 136, 139; as ssp. by Kormilev & Froeschner, 1987: 48; syn. nov.). HT: female, Finland, Fennia australis; MZHF.
Aradus angusticollis Reuter, 1881c: 140 (syn. Reuter, 1900f: 138). HT: female, Finland, Muonioniska; MZHF.