Male subimaginal structures of Siphlonurus davidi. A forewing B hindwing C abdomen (dorsal view) D abdomen (ventral view).

 
 
  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