Labiobaetis, Novikova & Kluge, 1987

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

publication ID

http://dx.doi.org/10.3897/afrinvertebr.62.64885

publication LSID

lsid:zoobank.org:pub:D6289103-A48D-43EB-B3B9-4C77182BCB58

persistent identifier

http://treatment.plazi.org/id/9FF5BCF6-22C3-2087-4A26-26F86AF0E712

treatment provided by

African Invertebrates by Pensoft

scientific name

Labiobaetis
status

 

Key to the Labiobaetis   species of West Africa (nymphs)

1 With six pairs of gills 2
- With seven pairs of gills 4
2 With distolateral process at scape; labrum rectangular; mandibles with incisor and kinetodontium apically cleft; glossae much shorter than paraglossae; paraproct with two or three spines (Fig. 8a-g View Figure 8 ) L. elouardi  
- Without distolateral process at scape; labrum subrectangular; mandibles with incisor and kinetodontium fused; glossae somewhat shorter than paraglossae; paraproct with many spines 3
3 Labial palp segment II with broad thumb-like, distomedial protuberance (Fig. 2h View Figure 2 ) L. vinosus  
- Labial palp segment II with narrow thumb-like, distomedial protuberance (Fig. 7h View Figure 7 ) L. ediai   sp. nov.
4 Labial palp segment II narrow thumb-like (Fig. 9b, d View Figure 9 ) 5
- Labial palp segment II broad thumb-like (Fig. 2d, f View Figure 2 ) 6
5 Hind protoptera small (Fig. 9a View Figure 9 ); labial palp segment III enlarged (Fig. 9b View Figure 9 ) L. gambiae  
- Hind protoptera well developed (Fig. 9c View Figure 9 ); labial palp segment III not enlarged (Fig. 9d View Figure 9 ) L. piscis  
6 Scape with distolateral process (Fig. 2g View Figure 2 ); femoral patch at fore femur absent (Fig. 3c View Figure 3 ) L. latus  
- Scape without distolateral process (Fig. 2e View Figure 2 ); femoral patch at fore femur well developed (Fig. 3a, b View Figure 3 ) 7
7 Fore femur length 3.1-4.1 × maximal width, dorsally with row of 9-12 spine-like setae (Fig. 3a View Figure 3 ); maxillary palp segment II with strongly developed, distolateral excavation, segment II 1.8-1.9 × length of segment I (Fig. 2a View Figure 2 ) L. boussoulius  
- Fore femur length 2.7-3.2 × maximal width, dorsally with row of 13-18 spine-like setae (Fig. 3b View Figure 3 ); maxillary palp segment II with distolateral excavation, segment II ca. 1.5 × length of segment I (Fig. 2b, c View Figure 2 ) L. glaucus