Ancyronyx sarawacensis, larvae (pre-final instar) from the type locality, SEM micrographs and cleared microscopic slide mounts: A head, frontal view B labrum, frontal view C left antenna, frontal view D right antenna, in rotaded view E final instar, head, ventral view F detail of ramified setae on anterior portion of stipes, ventral view G antenna, ventral view H detail of surface structure of prothorax, dorsal view I lateral portion of abdominal segments VI and VII, ventral 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.