Canthon (Glaphyrocanthon) angustatus Harold, 1867

Chamorro, William, Marin-Armijos, Diego, senjo, Angelico & Vaz-De-Mello, Fernando Z., 2019, Scarabaeinae dung beetles from Ecuador: a catalog, nomenclatural acts, and distribution records, ZooKeys 826, pp. 1-343 : 43-46

Canthon (Glaphyrocanthon) angustatus Harold, 1867 Plates 12Aand 56C

Canthon angustatus Harold, 1867d: 79 (original description, Type locality: Costa Rica).

Canthon angustatus : Harold 1868d: 63 (redescription); Gemminger and Harold 1869: 989 (list, distribution); Bates 1887: 28 (distribution); Kolbe 1905: 579 (list, distribution); Gillet 1911a: 28 (complete list of species); Schmidt 1922: 72 (distribution); Balthasar 1939d: 216 (characters in key); Ratcliffe et al. 2015: 195 (cited for Peru).

Canthon angustatum : Blackwelder 1944: 199 (list of species for Latin America); Contreras 1951: 221 (cited for Colombia); Ratcliffe et al. 2015: 195 (cited for Peru).

Geocanthon angustatus : Pereira and Martínez 1956a: 155 (cited as new combination, diagnosis); Vulcano and Pereira 1964: 669 (catalog of species); Vulcano and Pereira 1967: 550 (characters in key).

Canthon (Glaphyrocanthon) angustatus : Halffter and Martínez 1977: 79 (transferred to the subgenus Glaphyrocanthon Martínez, 1948); Howden and Young 1981: 21 (characters in key), 30 (redescription); Medina et al. 2001: 135 (cited for Colombia); Solís and Kohlmann 2002: 3 (characters in key), 8 (redescription); Ratcliffe 2002: 12 (cited for Panama); Medina et al. 2003: 64 (distribution); Carvajal et al. 2011: 314-315 (cited for Ecuador); Krajcik 2012: 63 (complete list of species); Solís and Kohlmann 2012: 3 (cited for Costa Rica); Chamorro et al. 2018: 92 (cited for Ecuador).

Type specimens.

Canthon angustatus Harold, 1867. The lectotype (♂) (here designated) is deposited at the MNHN. Locality: Costa Rica. One paralectotype is deposited at the NHRS (ex coll. E Harold and ex coll. R Oberthur), examined.

Lectotype (here designated) (♂): "Costa Rica [hw]", “Museúm Paris / ex coll. / R. Oberthür / 1952 [p, green label, black margin]", "angustatus / +. +. Har. [hw]", “Ex-Musæo / E. Harold [p, black margin]", "LECTOTYPE ♂ / Canthon / angustatus / Harold / des. F.Z. Vaz-de-Mello, 2014 [hw and p, red label, black margin]".

Paralectotype (♀): "♀ / Type [p and hw, black margin]", "Zoolog. / Staatssg [p, black margin]", "TIPO [p, pink label, black margin]", "Costarica. / C. / angustatus. / Hrld. [hw, green margin]", "PARALECTOTYPE / Canthon ♀ / angustatus / Harold / des. F.Z. Vaz-de-Mello, 2014 [hw and p, yellow label, black margin]".

Distribution.

Belize, Colombia, Costa Rica, Ecuador, Guatemala, Nicaragua, and Panama.

Records examined.

ESMERALDAS: Colón del Ónzole (2 specimens CEMT; 19 specimens MQCAZ); El Progreso (9 specimens MQCAZ); Gualpí (7 specimens CEMT; 15 specimens MQCAZ; 8 specimens MECN); Mayronga (7 specimens MQCAZ); Palma Real (2 specimens CEMT, 15 specimesn MQCAZ); Playa de Oro, Playa Rica (18 specimens MQCAZ; 15 specimens MECN). LOS RÍOS: Estación Biológica Río Palenque, 250 m (32 specimens MQCAZ; 9 specimens MECN). MANABÍ: El Carmen (3 specimens MQCAZ). SANTO DOMINGO DE LOS TSÁCHILAS: 47 km S de Santo Domingo (1 specimen CEMT; 6 specimens MQCAZ).

Temporal data.

Collected in January, February, March, April, May, September, October, and November.

Remarks.

Inhabits coastal lowland evergreen forests at 250 m a.s.l. Collected with pitfall traps baited with human feces.

A lectotype is here designated and illustrated (♂, deposited at the MNHN, Plate 56C), recorded in Costa Rica (without specific locality).