Arce-Pérez, R., & Novelo-Gutiérrez, R. (2017).

Two new species of Psephenops Grouvelle (Coleoptera: Byrrhoidea: Psephenidae) from Panama

. Zootaxa, 4323(1), 109–118. https://doi.org/10.11646/zootaxa.4323.1.8