Labiobaetis claudiae, Kaltenbach & Gattolliat, 2018

Kaltenbach, Thomas, Surbakti, Suriani, Kluge, Nikita J., Gattolliat, JeanJLuc, Sartori, Michel & Balke, Michael, 2021, Discovery Of A New Mayfly Species (Ephemeroptera, Baetidae) Near Cenderawasih University Campus In Papua, Indonesia, Treubia 48 (1), pp. 37-54 : 44

Key to the species of the Labiobaetis claudiae group (larvae)

1. Paraproct distally expanded ( Fig. 4a ) ………………………………………. L. stagnum J Paraproct distally not expanded ( Figs 2g , 4b ) …………………………………………. 2

2. Labial palp segment II with rather broad protuberance and segment III subquadrangular ( Fig. 4f ) ……………………………………………………………………… L. claudiae

- Labial palp segment II with narrow protuberance and segment III slightly pentagonal ( Fig. 1h ) ……………………………………………………… L. academicus sp. nov.

Genetics

The genetic distances (K2P) between the species of the L. claudiae group are between 20% and 23%, and therefore much higher than 3.5%, which is generally considered as a likely maximal value for intraspecific divergence ( Hebert et al., 2003; Ball et al., 2005; Zhou et al., 2010) ( Table 1 ).

Figures

Figure 1. Labiobaetis academicus sp. nov., larva morphology: a Labrum (left, ventral view; right, dorsal view) b Right mandible c Right prostheca d Left mandible e Left prostheca f Hypopharynx and superlinguae g Maxilla h Labium (left, ventral view; right, dorsal view) i Apex of paraglossa.

Figure 2. Labiobaetis academicus sp. nov., larva morphology: a Foreleg b Fore claw c Tergum IV d Tergalius IV e, f margin of tergalius IV g Paraproct h Base of antenna.

Figure 4. Larvae morphology: a, c, e Labiobaetis stagnum a Paraproct c Tergalius IV e Labial palp; b, d, f Labiobaetis claudiae b Paraproct d Tergalius IV f Labial palp.