Nymphs, habitus: a Nigrobaetis richardi sp. nov. b Potamocloeon (A.) freitagae.
Part of: Kaltenbach T, Mary N, Gattolliat J-L (2021) The Baetidae (Ephemeroptera) of the Comoros and Mayotte. African Invertebrates 62(2): 427-463. https://doi.org/10.3897/afrinvertebr.62.70632