Reduvius (Oncocephalus) obsoletus Klug, 1830: fol. e, pl. 19 (fig. 2). LT (Moulet, 2003: 275): male, "Aegypt" [= Sudan], Dongala; ZMHB.
Oncocephalus fasciatus Reuter, 1900c: 249 (syn. Moulet, 2003: 277). ST(S): male, Algeria, Ouargla; SMNS.
Oncocephalus fasciatus var. apterus Dispons, 1950: 262 (syn. Moulet, 2003: 277, with obsoletus). HT (P.V. Putshkov & Pluot-Sigwalt, 2008: 189): female, AG, Sahara, Hoggar, 2,000 m; MNHN.
Oncocephalus cincticrus Miller, 1956d: 1 (junior primary homonym of O. cinticrus Reuter, 1882; syn. Villiers, 1967a: 161). HT: male, Cape Verde Is, Sal; MZHF.
Oncocephalus fasciatellus Dispons, 1962b: 31 (syn. Linnavuori, 1986a: 110). HT: male, Israel, Yotvata; AMNH.