Type localities of the new species: A Giluk Falls (for Grouvellinus leonardodicaprioi sp. n. and G. andrekuipersi sp. n. B Creek east of ‘Nepenthes Camp’ (for G. quest sp. n.).

 
 
  Part of: Freitag H, Pangantihon CV, Njunjić I (2018) Three new species of Grouvellinus Champion, 1923 from Maliau Basin, Sabah, Borneo, discovered by citizen scientists during the first Taxon Expedition (Insecta, Coleoptera, Elmidae). ZooKeys 754: 1-21. https://doi.org/10.3897/zookeys.754.24276