Scybalocanthon trimaculatus (Schmidt, 1922)

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 : 226-228

Scybalocanthon trimaculatus (Schmidt, 1922) Plate 50C

Canthon trimaculatus Schmidt, 1922: 94 (original description. Type locality: Cachábé, Columbien [= Colombia], Paramba, Surinam).

Canthon trimaculatus : Balthasar 1939d: 191 (characters in key); Vulcano and Pereira 1964: 633 (catalog of species); Krajcik 2012: 64 (complete list of species).

Canthon trimaculatum : Blackwelder 1944: 202 (list of species from Latin America); Contreras 1951: 221 (cited for Colombia).

Scybalocanthon trimaculatus : Vulcano and Pereira 1967: 554 (new combination, catalog of species); Halffter and Martínez 1977: 68 (cited as S. trimaculatus (Schmitd), list of species); Medina et al. 2001: 137 (cited for Colombia); Medina et al. 2003: 65 (distribution); Carvajal et al. 2011: 316-317 (cited for Ecuador); Ratcliffe et al. 2015: 195 (cited for Peru); Chamorro et al. 2018: 98 (cited for Ecuador); Vaz-de-Mello and Cupello 2018b: 69 (figure 105), 70 (cited for Ecuador).

Type specimens.

Canthon trimaculatus Schmidt, 1922. Eight syntypes examined deposited at the NMHU, NMRS and SMTD. Lectotype to be designated in a future work on this species group.

Distribution.

Colombia, Ecuador, and Peru.

Records examined.

CAÑAR: Javín, 850-1300 m (1 specimen CEMT; 5 specimens MQCAZ). CARCHI: Cabeceras Río Baboso (8 specimens MQCAZ); Tobar Donoso, 300 m (5 specimens MECN). COTOPAXI: Guasaganda km 4, 500 m (1 specimen CEMT; 7 specimens MQCAZ). ESMERALDAS: Carondelet (11 specimens MQCAZ; 5 specimens MECN); Colón del Ónzole (27 specimens MQCAZ; 16 specimens MECN); Charco Vicente (7 specimens MGO-UC; 22 specimens MQCAZ; 17 specimens MECN); Chispero (10 specimens MGO-UC; 14 specimens MQCAZ; 8 specimens MECN); Gualpi (19 specimens MQCAZ; 11 specimens MECN); Jeyambi (9 specimens MQCAZ; 4 specimens MECN); Kumanii Lodge, 40 m (14 specimens MQCAZ); El Progreso (10 specimens MQCAZ; 4 specimens MECN); Estación Forestal La Chiquita, 60 m (1 specimen CEMT; 7 specimens MQCAZ); E.C. Río Canandé, 400 m (18 specimens MQCAZ); Majua (14 specimens MGO-UC; 22 specimens MECN; 28 specimens MQCAZ); Nuevo Ecuador (6 specimens MQCAZ); Palma Real (12 specimens MGO-UC; 11 specimens MECN; 18 specimens MQCAZ); Playa de Oro, La Tabla (2 specimens MGO-UC; 33 specimens MQCAZ; 16 specimens MECN); Playa de Oro, Pote (4 specimens CEMT; 6 specimens MGO-UC; 11 specimens MQCAZ; 7 specimens MECN); Playa de Oro, Padre Santo (16 specimens MGO-UC; 37 specimens MQCAZ); Playa de Oro, Playa Rica (13 specimens MGO-UC; 16 specimens MQCAZ; 9 specimens MECN); Ricauter (7 specimens MQCAZ); Tsejpi (8 specimens MGO-UC; 16 specimens MQCAZ; 5 specimens MECN); Tsejpi, Cuartel II (5 specimens MQCAZ); Tsejpi, Charco Grande (4 specimens MQCAZ); Zabalito (1 specimen MQCAZ). IMBABURA: Lita, 680 m (5 specimens MQCAZ). LOS RÍOS: Río Palenque Estación Científica, 150-220 m (3 specimens CEMT; 19 specimens MQCAZ). PICHINCHA: Chiriboga Road, 1200 m (1 specimen CEMT; 4 specimens MQCAZ); Los Bancos (8 specimens MQCAZ); Puerto Quito (3 specimens MQCAZ); Río Guayllabamba Guayabilla, Manduriacus, 520 m (3 specimens MUTPL). SANTO DOMINGO DE LOS TSACHILAS: La Perla (5 specimens MQCAZ).

Temporal data.

Collected in January, February, March, April, May, June, July, August, September, October, November, and December.

Remarks.

Inhabits coastal lowland evergreen forests and coastal evergreen foothill forests from 60-1300 m a.s.l. Collected with pitfall traps baited with carrion and human feces. Since Schmidt (1922), no future specimens of S. trimaculatus were recorded from Surinam.