Onthophagus (Onthophagus) stockwelli Howden & Young, 1981 Plate 44A
Onthophagus stockwelli Howden & Young, 1981: 101 (original description. Type locality: Panama. Colón Prov., 270 m, 10 mi [= 16 km], SE Colón Santa Rita Ridge).
Onthophagus stockwelli: Kohlmann and Solís 2001: 167 (characters in key), 237 (redescription); Ratcliffe 2002: 17 (cited for Panama); Carvajal et al. 2011: 322-323 (cited for Ecuador); Krajcik 2012: 186 (complete list of species); Delgado and Curoe 2014: 66 (characters in key, cited for Panama); Rossini et al. 2018b: 9 (list of species from curvicornis complex).
Onthophagus (Onthophagus) stockwelli: Chamorro et al. 2018: 97 (cited for Ecuador).
Type specimens.
Onthophagus stockwelli Howden & Young, 1981. The holotype is deposited at the CMNC (ex coll. H Howden) (see Howden and Young 1981: 102). Locality: Panama. Colón Prov., 270 m, 10 mi, SE Colón Santa Rita Ridge, not examined.
Distribution.
Costa Rica, Ecuador, and Panama.
Records examined.
LOS RÍOS: Río Palenque Biológical Station, 250 m (5 specimens CEMT).
Literature records.
ESMERALDAS: 11 km SE San Lorenzo, La Chiquita, 5 m (Howden and Young 1981: 103). MANABÍ: 73 km NE Chone, 90 km W Santo Domingo, 300 m (Howden and Young 1981: 103). PICHINCHA: [= LOS RÍOS]: 47 km S Santo Domingo, Río Palenque Biológical Station (Howden and Young 1981: 103).
Temporal data.
Collected in February, May, June, and July
Remarks.
Inhabits coastal lowland evergreen forests and coastal evergreen foothill forests from 5-300 m a.s.l. Collected with pitfall traps baited with human feces.