Arvelius albopunctatus (De Geer, 1773)
https://biodar.unlp.edu.ar/pentatomomorpha/en/info/22180.html
(Fig. 2D)
Material studied: 1♂, 25.007961 S- 60.947266 W, 2-9/XI/2019, L. Damer, N. Bustos & A. Serrano cols., V. Castro-Huertas det. (MLP) .
Observation: https://www.argentinat.org/observations/69958314