Subgenus Oncopeltus Stål
1868 Lygaeus (Oncopeltus) Stål, 70. Type species: Cimex famelicus Fabricius, 1781 . Designated by Distant, 1903.
Oncopeltus (Oncopeltus) bergianus Kirkaldy
1878b Oncopeltus (Oncopeltus) varicolor Berg (nec Fabricius), 191 [new species: Argentina].
1883a Oncopeltus Stålii [sic] Berg, 255. Preoccupied [new species: Argentina].
1894 Oncopeltus Ståli [sic]: Lethierry and Severin, 137 [Argentina: Buenos Aires].
1894 Oncopeltus variicolor [sic]: Bergroth (nec Fabricius), 165 [Argentina].
1909b Oncopeltus bergianus Kirkaldy, 31 [new name for Oncopeltus stalii Berg, 1883a].
1921a Oncopeltus (Oncopeltus) Stalli [sic]: Pennington, 17 [Argentina].
1937 Oncopeltus Stali: Bosq, 118 [Argentina: Buenos Aires; Misiones; Tucumán] — Bosq 1940a, 404 [Argentina: Tigre Island] .
1948 Oncopeltus stalii: Pirán, 8 [Argentina: Salta: Urundel]—Coscarón 2000, 47 [Argentina: Buenos Aires; Tucumán] .
1960 Oncopeltus stali: Hayward, 31 [Argentina: Tucumán]— Di Iorio 2004, 252 [Argentina: Buenos Aires: Delta del Paraná]— Waipara et al. 2006, 21 [Argentina].
1964 Oncopeltus bergianus: Slater, 164 [Argentina].
Oncopeltus (Oncopeltus) luctuosus (Stål)
1868a Lygaeus luctuosus Stål, 162 [new species: Brazil].
2004 Oncopeltus (Oncopeltus) luctuosus: Melo et al., 65 [Argentina: Corrientes: Colonia Carlos Pellegrini].
Oncopeltus (Oncopeltus) varicolor (Fabricius)
1794 Lygaeus varicolor Fabricius, 149 [new species: Trinidad]— Slater 1964, 174 [Argentina].
1878b Oncopeltus (Oncopeltus) varicolor: Berg, 191 [Argentina: N. and E. provinces]. 1882 Oncopeltus varicolor: Distant, 174 [Argentina]— Montandon 1895a, 7 [Argentina: Tucumán: San Pablo]— Hayward 1960, 31 [Argentina: Tucumán].
Note: Slater (1964) indicated that the records from Argentina were based on misidentifications.