Perkins, P.D. 2020.

Taxonomy of Peruvian water beetles in the genus Hydrochus Leach, 1817 (Coleoptera: Hydrochidae)

. Zootaxa. 4868, 1 (Oct. 2020), 61–89. DOI:https://doi.org/10.11646/zootaxa.4868.1.4.