Reduvius rubricus Germar in Ahrens, 1814: pl. 22 (see Kerzhner, 1993a: 60; downgraded to var. of Harpactor iracundus by Fieber, 1861a: 153; restored by Rieger, 1972a: 20). STS (Germar, 1817: 288): Croatia (Fiume [=Rijeka]) and Italy (Triest).
Rhinocoris iracundus rubricus f. imperfecta Stichel in Dispons & Stichel, 1959: 130 (syn. Benedek, 1969b: 481).
Rhinocoris iracundus rubricus f. phoebus Dispons, 1968c: 14. HT: male, Italy, Trentino, Val de Sale; ISNB.
Rhinocoris iracundus rubricus f. oculata Benedek, 1969b: 481. STS: male, female, Croatia, "Dalmatia"; HNHM.