Abstract
Further results are presented of the first field course at Maliau Basin, Malaysian Borneo organized by Taxon Expeditions, an organization which enables citizen scientists to be directly involved in taxonomic discoveries. Three new species of the aquatic beetle genus Grouvellinus Champion, 1923, namely G. leonardodicaprioi sp. n., G. andrekuipersi sp. n., and G. quest sp. n. were collected jointly by the citizen scientists and taxonomists during the fieldwork in Maliau Basin. Material was mainly sampled from sandstone bottom rocks of blackwater streams at altitudes between 900 m and 1,000 m using fine-meshed hand-nets. The genus is widely distributed in the Oriental and Palearctic regions, but these are the first records from the island of Borneo.
Highlights
During the first biodiversity discovery field course for citizen scientists, termed “taxon expedition” (Schilthuizen et al 2017), participants collected six new species for science from Maliau Basin, Malaysian Borneo
The taxonomic treatments for the other three species, all belonging to the genus Grouvellinus (Elmidae), are provided here
Names of the new species were selected in two ways: during a naming ceremony in Maliau Basin by the course participants and staff of the Maliau Basin Studies Centre; and in an online public contest organized by the Dutch science program De Kennis van Nu (2017)
Summary
During the first biodiversity discovery field course for citizen scientists, termed “taxon expedition” (Schilthuizen et al 2017), participants collected six new species for science from Maliau Basin, Malaysian Borneo. This species is only known from the type locality, the Giluk Falls of the upper Maliau Basin, Sabah (Figs 11, 12A).
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