Labiobaetis vinosus (Barnard, 1932)

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 : 370

8. Labiobaetis vinosus (Barnard, 1932)

Labiobaetis vinosus : Barnard 1932 ( Pseudocloeon vinosum ); Kopelke 1980 ( Pseudocloeon tenuicrinitum ; informal synonym, Kluge 2021); Gillies 1994: figs 16-26 ( Baetis spatulatus ; formal synonym, Kluge and Novikova 2016); Lugo-Ortiz and McCafferty 1997: figs 75-86; Kluge and Novikova 2016: figs 113, 122-129, 132, 133 ( L. tenuicrinitus ; informal synonym, Kluge 2021)

Differential diagnosis.

Nymph. Following combination of characters: A) scape without distolateral process; B) labial palp segment II with broad, thumb-like protuberance (Fig. 2h ); C) maxillary palp segment II with excavation at inner distolateral margin; D) fore femur rather broad, length ca. 3 × maximum width; dorsal margin with 8-18 curved, spine-like setae and basally a partial second row of setae; E) hind protoptera absent or minute; F) six pairs of gills.

Examined material.

Ivory Coast • 4 nymphs; Loc. Réserve Naturelle Banco, Abidjan , station aval; 05°23'17"N, 04°03'13"W; 18.06.2008; leg. J.-L. Gattolliat and E.O. Edia; on slides; GBIFCH00592404 ; GBIFCH00592430 , GBIFCH00592431 , GBIFCH00592432 ; MZL • 1 nymph; Loc. Pont Soumié, River Soumie ; 05°24'53"N, 03°16'56"W; 14.06.2008; leg. J.-L. Gattolliat and E.O. Edia; on slide; GBIFCH00592429 ; MZL • 1 nymph; Riv. Soumié, Loc. Anoblekro ; 05°29'44"N, 03°22'15"W; 01.12.2003; leg. E.O. Edia; on slide; GBIFCH00592428 ; MZL • 42 nymphs; Riv. Eholié, Loc. Akakro ; 05°28'36"N, 03°08'25"W; 03.07.2004; leg. E.O. Edia; 41 in alcohol; GBIFCH00515609 , GBIFCH00515606 ; 1 on slide; GBIFCH00592460 ; MZL .

Distribution.

Ivory Coast (Fig. 4a ), Ethiopia ( Kaltenbach and Gattolliat 2021), Angola ( Barber-James and Ferreira 2019), Uganda ( Kluge and Novikova 2016), South Africa ( Lugo-Ortiz and McCafferty 1997), Tanzania ( Gillies 1994), DR Congo ( Kopelke 1980).

Figures

Figure 2. Nymph morphology a Labiobaetis boussoulius, maxillary palps b-e Labiobaetis glaucus b, c maxillary palps d labial palp e base of antenna f, g Labiobaetis latus f labial palp g base of antenna h Labiobaetis vinosus, labial palp. Scale bar: 0.1 mm.

Figure 4. Distribution of Labiobaetis in West Africa.