Ecdyonurus aurasius sp. nov., nymphal mouthparts: A hemi-labrum B detail of anteromedial part of labrum in ventral view C left mandible D right mandible E left half of hypopharynx F left half of labium G comb-shaped setae at the crown of the galea-lacinia. Scale bars: 0.2 mm (A, F); 0.1 mm (B–E, G).

 
 
  Part of: Dambri BM, Benhadji N, Vuataz L, Sartori M (2022) Ecdyonurus aurasius sp. nov. (Insecta, Ephemeroptera, Heptageniidae, Ecdyonurinae), a new micro-endemic mayfly species from Aurès Mountains (north-eastern Algeria). ZooKeys 1121: 17-37. https://doi.org/10.3897/zookeys.1121.89613