Canthon quadriguttatus

Canthon quadriguttatus (Olivier, 1789) Scarabaeus quadriguttatus Olivier, 1789: 173, pl. 27 fig. 230 (original description). Type locality: French Guiana and Suriname. Name-bearing type: at least two syntypes (unknown whereabouts). Ateuchus bidens Fabricius, 1801: 62. Type locality: Guyana. Said to be simply South America (“America meridionali”) by Fabricius (1801) and stated as “ Essequibo ” on the label of the examined syntype. Essequibo was the name of a Dutch colony in what is now the Republic of Guyana, and is also the name of a river in the same country. Name-bearing type: three syntypes (ZMUK) (based on Zimsen 1964), one of them examined by FZVM. Choeridium elegans Castelnau, 1840: 83. Type locality: French Guiana (“Cayenne”). Name-bearing type: likely originally in Castelnau’s first collection and, if so, destroyed in a fire in 1865 (see Evenhuis 2012; Maldaner et al. 2017). Distribution Supposedly Colombia, Guyana, Suriname, French Guiana, Brazil, Ecuador, and Peru (Schoolmeesters 2023). Literature records Ferrer-Paris et al. 2013: 108 (Venezuela: Bolívar: Isla de Anacoco). — Hielkema & Hielkema 2019: 66 (Venezuela).