Abstract Ceraspis ajonjoli Mora-Aguilar, Delgado, and Vallejo, new species, from the Central Andes Mountains in Colombia is described and illustrated. Modifications of the Frey's key to species of this genus are provided to include this new species. A new key to separate the species of Ceraspis Lepeletier and Serville from Colombia is presented. The previously unknown male of Ceraspis ruehli Brenske is described and their genitalia are illustrated.