- Onthophagus luismargaritorum Delgado, 1995

Holotype: ♂. MEXICO: Veracruz, Córdoba, Guadalupe del Barreal, 940 m, 2/I/1992. Col. E. Santos, Trampa NTP-80.

Conservation status: Complete, well-preserved; genitalia glued on a card. Allotype: ♀. Ídem. 28/III/1 992, coprotrampa.

Conservation status: Complete well-preserved.