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

Quadrus f. fridericus (SYNTYPE of Staphylus terrens Schaus, 1902, TL: Venezuela), [USNM] Syntype [USNM]. Photo taken by Bernard Hermier. Any use of this image, except for personal study, requires prior written consent of the National Museum of Natural History, Smithsonian Institution, Washington DC.