The ratio between length of protarsal claw and length of protarsomere 4 in males of the Agabus raffrayi group. Symbols as in Fig. 12. Note the short claws of A. sjostedti and A. dytiscoides.

  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.