Micó, E. and Galante, E. 2009. A new species of Pachydema Laporte (Coleoptera: Scarabaeoidea: Scarabaeidae: Melolonthinae: Pachydemini) from the Canary Islands. Zootaxa. 2284, 1 (Nov. 2009), 41–47. DOI:https://doi.org/10.11646/zootaxa.2284.1.3.