Dichotomius boreus

Dichotomius boreus (Olivier, 1789) Fig. 37A Scarabaeus boreus Olivier, 1789: 106 (original description). Type locality: French Guiana and Brazil. Name-bearing type: syntypes (MNHN), examined by FZVM. Dichotomius (Dichotomius) boreus – Vulcano & Pereira 1967: 585 (key). — Forsyth & Gill 1993: 70 (list). — Escobar 2000: 206 (checklist for Colombia). — Vaz-de-Mello 2000: 193 (checklist for Brazil). — Pulido-Herrera et al. 2003: 54 (list for Caqueta, Colombia); 2007: 307 (cited for Andean region of Colombia). — Noriega 2004: 39 (checklist for Tinigua Park, Colombia). — Quintero & Roslin 2005: appendix A (ecology). — Feer 2008: 56, 62 (ecology); 2013: 767 (list for French Guiana). — Medina & Pulido-Herrera 2009: 59 (diversity). — Brûlé et al. 2011a: 193 (list, cited for French Guiana); 2014: 183 (list for Montagne Pelée). — Brûle & Dalens 2012: 37 (list). — Ferrer-Paris et al. 2013: 109 (list). — Ratcliffe 2013: 493 (list, cited for Brazil). — Sarmiento-Garcés & Amat-García 2014: 43 (key, diagnosis, distribution for Colombia). — Feer & Boissier 2015: 169 (list). — Hielkema & Hielkema 2019: 52 (catalogue for the Guianas). — Pardo-Díaz et al. 2019: 5‒7, 11, 13 (comments). — Storck-Tonon et al. 2020: 2426 (diversity). — Chamorro et al. 2021: 195 (remarks). Material examined VENEZUELA ‒ Amazonas • 1 spec.; Puerto Ayacucho; May 2000; CEMT • Selva del Amazonas; 150 m a.s.l.; Aug. 2003; CEMT. ‒ Bolívar • 1 spec.; Río Paraguaza; 100 m a.s.l.; 15 May 2004; D. García leg.; CEMT • 2 specs; Upper Parguaza River; 24 Nov. 2000; CEMT. Distribution Colombia, Venezuela, Guyana, Suriname, French Guiana, and Brazil. Literature record Ferrer-Paris et al. 2013: 109 (Venezuela: Bolívar: Isla de Anacoco).