Aradus lugubris Fallén, 1807: 34. LT (Heiss, 2001c: 50): male, SV; UZIU. ST(S): Finlandia (coll. Sahlberg); MZHF?
Aradus rectus Say, 1832: 29 (syn. Bergroth, 1886: 97). STS: USA, Missouri and Florida; lost?
Aradus affinis Kirby, 1837a: 279 (syn. Bergroth, 1886: 97). STS: Canada, at latitude 65?N; BMNH?
Aradus gebleri Kolenati, 1857: 441 (syn. Fieber, 1861a: 114). LT (Heiss, 2000a: 1164): female, Russia (WS), Altai, Barnaul; NHMW.
Aradus fenestratus Walker, 1873a: 36 (syn. Bergroth, 1913c: 5). STS: male, Canada (Hudson Bay, Albany R., St. Martin's Fall; Nova Scotica) and Rocky Mountains; BMNH.
Aradus lugubris var. nigricornis Reuter, 1900f: 134, 138 (as ssp. by Kormilev & Froeschner, 1987: 49; syn. nov.). HT: Finland, Salla; MZHF.