Potamanaxas effusa effusa (Draudt, 1922);  Comments: Colombia to Guianas and Peru TL: Colombia.

Potamanaxas effusa effusa. Original illustration of a TYPE. Draudt, 1922, in Seitz. Gross-Schmett. Erde 5, p. 899, pl. 175g (d); Rio Negro, Oriental Colombia