Riedel, A. (2009). Revision of the genus Penthoscapha Heller (Coleoptera, Curculionoidea, Entiminae, Eupholini) with notes on the genera of Eupholini from New Guinea. Zootaxa, 2224(1), 1–29. https://doi.org/10.11646/zootaxa.2224.1.1