Figure 4 from: Hrivniak Ľ, Sroka P, Bojková J, Godunko RJ (2020) Identification guide to larvae of Caucasian Epeorus (Caucasiron) (Ephemeroptera, Heptageniidae). ZooKeys 986: 1-53. https://doi.org/10.3897/zookeys.986.56276

Figure 4 Epeorus (Caucasiron) caucasicus, larva: A habitus in dorsal view B habitus in ventral view C habitus in lateral view D head of male in dorsal view E head of female in dorsal view F–H middle leg in dorsal view I abdominal terga (arrow points on medial macula) J abdominal sterna II–VI K, L gills VII (in natural position from ventral view).