Ancyronyx clisteri sp. nov., SEM micrographs, male paratype from the type locality: A habitus, dorsal view B same specimen, ventral view C head, reticulate surface and granules, dorsal view D head, detail of mouth parts and antenna, ventral view E antennal apex with clusters of sensilla, ventrolateral view F pronotum with reticulate surface structure, dorsal view.

 
 
  Part of: Kodada J, Jäch MA, Freitag H, Čiamporová-Zaťovičová Z, Goffová K, Selnekovič D, Čiampor Jr F (2020) Ancyronyx clisteri, a new spider riffle beetle species from Borneo, redescription of A. sarawacensis Jäch including a description of the larva and new distribution data for A. procerus Jäch using DNA barcodes (Coleoptera, Elmidae). ZooKeys 912: 25-64. https://doi.org/10.3897/zookeys.912.47796