Nymphal characters of Siphlonurus davidi. A habitus B labrum and clypeus C hypopharynx D labium E right mandible F left mandible G maxilla H apex of maxillary lacia-genicia

 
 
  Part of: Han Y-K, Zhang W, Hu Z, Zhou C-F (2016) The nymph and imago of Chinese mayfly Siphlonurus davidi (Navás, 1932). ZooKeys 607: 37-48. https://doi.org/10.3897/zookeys.607.9159