Distribution of Isonychia species from Chinese mainland (red represents I. guixiensis; orange represents I. ignota; yellow represents I. kiangsinensis; green represents I. sexpetala; blue represents I. ussurica sibirica; purple represents I. ussurica ussurica; black represents I. vshivkovae vshivkovae).

 
 
  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