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Epeorus (Caucasiron) nigripilosus, 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, –G middle leg in dorsal view H, –I abdominal terga (arrows point on dorso-posteriorly extended lateral stripes) J abdominal sterna II–VI K gills VII (in natural position from ventral view).
