Uliana, M. and Gallerati, V. 2022. Updates on the little-known Firminus maltensis, with revisited classification based on the anatomy of everted endophallus (Coleoptera: Scarabaeidae, Melolonthinae). Fragmenta entomologica. 54, 1 (May 2022), 19–26. DOI:https://doi.org/10.13133/2284-4880/718.