Quadrus fridericus fridericus (Geyer, 1832);  Comments: TL: Surinam .

Quadrus f. fridericus (SYNTYPE of Achlyodes nigropiceus Mabille & Boullet, 1917, TL: French Guiana), [MNHP] Syntype [MNHP]. Photo taken by Bernard Hermier. Any use of this image, except for personal study, requires prior written consent of the Muséum National d'Histoire Naturelle, Paris.