Canthon triangularis triangularis ( Drury, 1773 )

Rosa, Cecilia Lozano De La, Cupello, Mario & Vaz-De-Mello, Fernando Z., 2024, The dung beetles of Venezuela (Coleoptera: Scarabaeidae: Scarabaeinae): catalogue and updated distribution, European Journal of Taxonomy 959 (1), pp. 1-272 : 48-50

Canthon triangularis triangularis ( Drury, 1773)

Fig. 20A

Scarabaeus triangularis Drury, 1773 : [“index to the first volume”] (the species-group name was made available by being published accompanied by an indication in the sense of Articles 12.2.1 and 12.2.7 of the Code ( ICZN 1999), namely a reference to the description and illustration given in the first volume of Drury’s work [ Drury 1770: 82, pl. 36 fig. 7]. See ICZN (1957) for details on the publication of this work, its index, and the availability and date of publication of new names first appeared in it). Type locality: Suriname. Name-bearing type: unknown typification status and whereabouts.

Canthon triangularis caliginosus Schmidt, 1920: 122 (description). Type locality: French Guiana. Name-bearing type: lectotype (NHRS), designated by Vaz-de-Mello & Cupello (2018), examined by FZVM.

Scarabaeus triangularis – Fabricius 1775: 30 (list, characteristics); 1781: 33 (cited for “America meridionali”); 1787a: 18 (characteristics); 1792: 69 (cited for Suriname) 1801: 63–64 (list). — Herbst 1789: 298 (catalogue, redescription). — Olivier 1789: 166 (characteristics, cited for Cayenne; Suriname).

Canthon triangularis – Castelnau 1840: 69 (list). — Erichson 1848: 563 (list, cited as Ateuchus triangularis , cited for Guyana). — Harold 1868a: 46 (monograph); 1869d: 994 (catalogue, cited for Cayenne). — Heyne & Taschenberg 1908: 61 (list). — Gillet 1911b: 34 (catalogue, cited for Suriname). — Schmidt 1922: 66, 81 (characteristics, distribution). — Boucomont 1928b: 1 (list). — Balthasar 1939a: 197 (key); 1941: 342 (distribution); 1951: 327 (list, distribution). — Pessôa & Lane 1941: 418 (comments). — Blackwelder 1944: 202 (list). — Gacharná 1951: 221 (list, cited for Colombia). — Roze 1955: 43 (checklist, cited as C. triangulare ). — Vulcano & Pereira 1964: 632 (catalogue). — Halffter & Martínez 1977: 70 (revision). — Blanco 1987: 42 (catalogue). — Forsyth & Gill 1993: 70 (list). — Escobar 2000: 207 (checklist for Colombia). — Quintero & Roslin 2005: appendix A (ecology). — Feer 2008: 56, 62 (ecology); 2013: 766 (list for French Guiana). — Larsen et al. 2008: 1294 (list). — Medina & Pulido-Herrera 2009: 59 (diversity). — Vaz-de-Mello et al. 2011b: 86 (list). — Brûlé et al. 2011a: 193 (list, cited for French Guiana); 2014: 183 (list for Montagne Pelée). — Ferrer-Paris et al. 2013: 108 (list). — Ratcliffe 2013: 493 (list, cited for Brazil). — Nunes et al. 2014: 408–410 (cited, list). — Feer & Boissier 2015: 169 (list). — Hielkema & Hielkema 2019: 72 (catalogue for the Guianas). — Nieto et al. 2020: 136 (report). — Storck-Tonon et al. 2020: 2426 (diversity).

Canthon triangularis caliginosus – Schmidt 1922: 81 (key). — Balthasar 1939a: 197 (key); 1941: 342 (distribution); 1951: 327 (list, distribution). — Pessôa & Lane 1941: 418 (comments).

Material examined

VENEZUELA ‒ Táchira • 2 specs; Libertador, San Joaquín de Navay ; 7°47′59.99″ N, 71°40′24.24″ W; 655 m a.s.l.; 26 Aug. 2006; T. Good et al. leg.; human faeces; CEMT • 2 specs; La Morita del Chururu ; 30 Sep. 1985; D. Havranek leg.; pig dung trap; CEMT • 4 specs; Río Frío ; Mar 1988; J. Blanco leg.; CEMT .

Distribution

Colombia, Venezuela, Trinidad and Tobago, Suriname, French Guiana, Brazil, and Bolivia.

Subregions of Venezuela

Maracaibo Depression, System of hills and low piedmont mountains of the Guiana Shield, Andes mountains, and Guiana Shield.

Literature records

Pessôa & Lane 1941: 418 ( Venezuela). — Blackwelder 1944: 202 ( Venezuela). — Roze 1955: 43 ( Venezuela). — Vulcano & Pereira 1964: 632 ( Venezuela). — Blanco 1987: 42 ( Venezuela: Táchira). — Larsen et al. 2008: 1294 ( Venezuela: Bolívar: Lago Gurí). — Ferrer-Paris et al. 2013: 108 ( Venezuela: Bolívar).

Figures

Fig. 20. Species distribution. A. Canthon triangularis triangularis (Drury, 1770). B. Canthon variabilis (Martínez, 1948). Green diamond = CEMT collection data; black circle = literature data.