O. A. Calcetas, J. R. Adorada, and M. V. Navasero, “Review of the genus Exopholis Motschulsky, 1859 (Coleoptera: Scarabaeidae: Melolonthinae: Leucopholini) in the Philippines”, Zootaxa, vol. 4859, no. 4, pp. 527–536, Oct. 2020.