Scarabaeus stercorator Fabricius 1775: 20 Ataenius opacus Harold 1867c: 100 An annotated checklist of the Scarabaeoidea (Insecta: Coleoptera) of the Guianas Hielkema, Auke J. Hielkema, Meindert A. Insecta Mundi 2019 2019-10-25 732 732 1 306 (Fabricius, 1775) Fabricius 1775 [213,730,1628,1652] Insecta Aphodiidae Ataenius Animalia Coleoptera 32 31 Arthropoda species stercorator      Scarabaeus stercorator Fabricius 1775: 20(none - LECTOTYPE)  =   Ataenius opacus Harold 1867c: 100(none - LECTOTYPE)   Distribution. Guyana: Bodkin 1919: 214(as  A. opacus).  Brazil: Fabricius 1775: 20(as  Scarabaeus stercorator); Harold 1867c: 100(as  A. opacus); A. Schmidt 1910b: 76, 78 (as  A. opacus; as  A. stercorator), 1922b: 444 (as  A. opacus); Blackwelder 1944: 215(as  A. opacus; as  A. stercorator); Stebnicka 1998b: 200; 2003b: 246; 2007b: 32. Other:A. Schmidt 1910b: 76, 78 ( Montevideo[= Uruguay] - as  A. opacus; Antilles, North and South America - as  A. stercorator), 1922b: 422, 444 ( Montevideo[= Uruguay] - as  A. opacus; America including islands - as  A. stercorator); Blackwelder 1944: 215( Argentina, Uruguay- as  A. opacus; Argentina, Cuba, Guadeloupe, Puerto Rico, U.S.A., Old World - as  A. stercorator), 1957: 1398 ( Colombia); Landin 1956b: 219(none - designation LECTOTYPE  Scarabaeus stercorator); Cartwright 1973: 41(none - designation LECTOTYPE  Ataenius opacus); Stebnicka 1998b: 200( Argentina, Bolivia, Paraguay, Uruguay), 2003b: 246 ( Argentina, Bolivia, Paraguay, Uruguay), 2007b: 32 ( Argentina, Bolivia, Paraguay, Uruguay).  Note. Bodkin (1919: 214)provides the only record of  Ataenius stercorator(as  A. opacus) for the research area. Based on the known distribution of this species, Bodkin’s specimen was probably misidentified. We regard this species as not occurring in the Guianas.