Labiobaetis Novikova & Kluge in Ethiopia (Ephemeroptera, Baetidae), with description of a new species Author Kaltenbach, Thomas https://orcid.org/0000-0001-8052-0388 Museum of Zoology, Palais de Rumine, Place Riponne 6, CH- 1005 Lausanne, Switzerland & University of Lausanne (UNIL), Department of Ecology and Evolution, CH- 1015 Lausanne, Switzerland thomas.kaltenbach@bluewin.ch Author Gattolliat, Jean-Luc https://orcid.org/0000-0001-5873-5083 Museum of Zoology, Palais de Rumine, Place Riponne 6, CH- 1005 Lausanne, Switzerland & University of Lausanne (UNIL), Department of Ecology and Evolution, CH- 1015 Lausanne, Switzerland text African Invertebrates 2021 2021-02-24 62 1 231 255 http://dx.doi.org/10.3897/afrinvertebr.62.62029 journal article http://dx.doi.org/10.3897/afrinvertebr.62.62029 2305-2562-1-231 E78BE37B3A274A16B4F8FE24E3BA2167 D6B5B7B648B6527898474ABDACD47ECC Key to the Labiobaetis species of Ethiopia (nymphs; excluding L. bellus )

1	Six pairs of gills	L. vinosus
-	Seven pairs of gills	2
2	With distolateral process at scape	3
-	Without distolateral process at scape	4
3	Maxillary palp with a strongly developed distolateral excavation (Fig. 5g, h ), femur dorsally with row of 18 to 27 spine-like setae on margin and a partial row near margin (Fig. 4a ), paraproct with 15 to 20 marginal spines (Fig. 4f )	L. excavatus sp. nov.
-	Maxillary palp with distolateral excavation, femur dorsally with a row of 13 to 18 spine-like setae on margin, paraproct with 21 to 29 marginal spines ( Lugo-Ortiz and McCafferty 1997 : figs 6, 8, 13)	L. latus
4	Labial palp segment II with broad thumb-like distomedial protuberance ( Gattolliat et al. 2018 : figs 24, 39)	5
-	Labial palp segment II with narrow thumb-like distomedial protuberance ( Gattolliat et al. 2018 : fig. 8)	L. potamoticus
5	Body dorsally with pattern as in Gattolliat et al. 2018 : fig. 32, femoral patch poorly developed, tibia dorsally with row of short, spatulate setae ( Gattolliat et al. 2018 : fig. 26)	L. alahmadii
-	Body dorsally with pattern as in Gattolliat et al. 2018 : fig. 47, femoral patch well developed, tibia dorsally with row of scarce, tiny, stout setae ( Gattolliat et al. 2018 : fig. 40)	L. glaucus