Diep River at 250 m, tributary to Keurbooms River, R339 towards Prince Alfred’s Pass, Langkloof Mountains, Western Cape province, South Africa. Type locality of Agabus austellus sp. nov. December 13, 2015.

 
 
  Part of: Englund WF, Njoroge L, Biström O, Miller KB, Bilton DT, Bergsten J (2020) Taxonomic revision of the Afrotropical Agabus raffrayi species group with the description of four new species (Coleoptera, Dytiscidae). ZooKeys 963: 45-79. https://doi.org/10.3897/zookeys.963.53470