Uliana, M., Liberto, A., & Leo, P. (2017). On the taxonomy of the Italian endemic Hoplia dubia (Rossi, 1792), with the description of two new species (Coleoptera: Scarabaeidae: Melolonthinae). Zootaxa, 4320(2), 201–224. https://doi.org/10.11646/zootaxa.4320.2.1