Opisthacidius pertinax (Breddin, 1903)
https://biodar.unlp.edu.ar/cimicomorpha/en/info/20440.html
(Fig. 11I)
Material studied: 1♂, 25.007460 S- 60.946675 W, 2/ 9-XI-2019, L. Damer col., M.C. Melo det. (MLP); 2♂, same data, L. Damer, N. Bustos & A. Serrano cols., M.C. Melo det. (MLP) .