Figure 4 from: 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

Figure 4 Agabus spp., head and pronotum in dorsal view AA. dytiscoidesBA. ruwenzoricusCA. sjostedtiDA. pallidus. Red dashed lines indicate measurements used for interocular distance and pronotal width.