Torres, P.L., Michat, M.C., Archangelsky, M. & Fernández, L.A. (2014) Description of immatures of the genus Tropisternus Solier, subgenus Pristoternus Orchymont (Coleoptera: Hydrophilidae), with emphasis on the chaetotaxy and morphometry of larval forms. Zootaxa, 3790 (2), 380–398.