Labiobaetis piscis Lugo-Ortiz & McCafferty, 1997

Kaltenbach, Thomas & Gattolliat, Jean-Luc, 2021, Labiobaetis Novikova & Kluge in West Africa (Ephemeroptera, Baetidae), with description of a new species, African Invertebrates 62 (1), pp. 355-382 : 369

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).

Figures

Figure 4. Distribution of Labiobaetis in West Africa.

Figure 9. Nymph morphology a, b Labiobaetis gambiae a metanotum (left side), with small hind protopteron (mature nymph) b labial palp c, d Labiobaetis piscis c metanotum (left side), with well-developed hind protopteron (mature nymph) d labial palp. Scale bar: 0.1 mm.