Seitz: 

O. rufiplaga Warr. (7 b). A rather large species, with the pale parts of the markings more reddish than in marginata, the forewing 
typically with a better developed terminal spot between the radials, the one at the tornus also larger, extending to the middle of cellule 2.
Described from S. E. Peru, known also from the Peruvian Amazons, Bolivia and Matto Grosso.