7. Labiobaetis piscis Lugo-Ortiz & McCafferty, 1997

Labiobaetis piscis: Lugo-Ortiz and McCafferty 1997: figs 51-62

Differential diagnosis.

Nymph. Following combination of characters: A) scape without distolateral process; B) labial palp segment II with narrow, thumb-like protuberance; segment III slightly pentagonal (Fig. 9d); D) maxillary palp segment II with slight excavation at inner distolateral margin; E) fore femur rather broad, length ca. 3 × maximum width; dorsal margin with 7-10 curved, spine-like setae; femoral patch absent or rudimentary; F) hind protoptera well developed (Fig. 9c); G) seven pairs of gills; H) paraproct with 35-40 marginal spines.

Examined material.

Guinea • 1 nymph; Bas. Cavally, Riv. Cavally, Loc. Mt. Nimba (nord-ouest); 01.02.1988; Coll. ORSTOM; leg. J.-M. Elouard; on slide; GBIFCH00592395; MZL . Ivory Coast • 1 nymph; Abidjan; Banco, Reserve Naturelle; 05°23'17"N, 04°03'13"W; 17.07.2007; leg. E.O. Edia; on slide; GBIFCH00592403; MZL • 7 nymphs; Riv. Soumié, Loc. Anoblekro; 05°29'44"N, 03°22'15"W; 01.09.2003; leg. E.O. Edia; 6 in alcohol; GBIFCH00515548; 1 on slide; GBIFCH00592378; MZL • 1 nymph; Riv. Soumié, Loc. Anoblekro; 05°29'44"N, 03°22'15"W; 06.03.2005; leg. E.O. Edia; on slide; GBIFCH00592453; MZL • 2 nymphs; Riv. Soumié, Loc. Anoblekro; 05°29'44"N, 03°22'15"W; 01.07.2003; leg. E.O. Edia; on slides; GBIFCH00592454, GBIFCH00592377; MZL • 8 nymphs; Loc. Biaka, Riv. Biaka; 05°28'N, 03°11'W; 14.06.2008; leg. J.-L. Gattolliat and E.O. Edia; 7 in alcohol; GBIFCH00515603; 1 on slide; GBIFCH00592458; MZL . Mali • 11 nymphs; Bas. Niger, Riv. Niger, Loc. Tienfala (= Tyenfala); 21.03.1985; Coll. ORSTOM; leg. J.-M. Elouard; 9 in alcohol; GBIFCH00515528, GBIFCH00515530; 2 on slides; GBIFCH00592394, GBIFCH00592415; MZL • 1 nymph; Bas. Niger, Riv. Niger, Loc. Tienfala (= Tyenfala); 26.06.1985; Coll. ORSTOM; leg. J.-M. Elouard; on slide; GBIFCH00592424; MZL .

Distribution.

Guinea, Ivory Coast, Mali (Fig. 4c), Angola (Barber-James and Ferreira 2019), potentially Nigeria (Arimoro and Muller 2010), South Africa (Lugo-Ortiz and McCafferty 1997).