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

Potamanaxas effusa effusa ♂, specimen No. BMNH(E)#1054145 [BMNH].
   —   Photo taken by Nick V. Grishin. Any use of this image, except for personal study, requires prior written consent of the Natural History Museum, London