Silva, F. A., & Vaz-De-Mello, F. Z. (2014).

A new giant species of Deltochilum subgenus Deltohyboma
(Coleoptera, Scarabaeidae, Scarabaeinae) from Colombia,
with notes on D. spinipes Paulian, 1938

. Zootaxa, 3802(2), 276–284. https://doi.org/10.11646/zootaxa.3802.2.8