Oplomus festivus Dallas

1837 Pentatoma marginalis Westwood, 37. Preoccupied by Pentatoma marginale Herrich-Schaeffer, 1836 [new species: Brazil].

1911 Oplomus decipiens Horváth, 427 [new species: Argentina: Tucumán].

1920 Oplomus (Catostyrax) decipiens: Pennington, 11 [Argentina].

1992 Oplomus marginalis: Thomas, 60 [Argentina]— Grazia and Schwertner 2008, 233 [Argentina: Tucumán].

Note. Oplomus festivus Dallas, 1851 was selected by Rider and Rolston (1995) as a replacement name for Pentatoma marginale Westwood, 1837 .