Male structures of I. sexpetala A forewing B hindwing C genitalia (ventral view) D penes (dorsal view) E membranous processes (ventral view).

 
 
  Part of: Qiang X-H, Zhou C-F (2023) A preliminary review of Isonychia Eaton, 1871 from Chinese mainland with a re-description of I. kiangsinensis Hsu, 1936 (Insecta, Ephemeroptera, Isonychiidae). ZooKeys 1178: 115-141. https://doi.org/10.3897/zookeys.1178.104619