Key to species and subspecies of Chonala (mainly adapted from Lang & Bozano, 2016 with slight modification)

1 Hindwing upperside with postdiscal ocelli absent............................................................ 2

- Hindwing upperside with postdiscal ocelli more or less present................................................. 7

2 Forewing upperside with discal band evenly curved.......................................................... 3

- Forewing upperside with discal band irregularly sinuous and strongly protruding towards the termen in space 4.......... 5

3 Forewing upperside with discal band very broad and continuous................................................ 4

- Forewing upperside with discal band very narrow and broken by veins................................. C. episcopalis

4 Forewing discal band pure white; forewing underside discal area dull brown............................... C. masoni

- Forewing discal band orange; forewing underside discal area reddish brown.............................. C. huertasae

5 Forewing upperside with discal band continuous............................................................ 6

- Forewing upperside with discal band broken in space 3....................................... C. praeusta praeusta

6 Forewing upperside with discal band narrower and orange.................................... C. praeusta burmana

- Forewing upperside with discal band much broader and creamy yellow................................. C. yunnana

7 Hindwing upperside with postdiscal ocelli vestigial; forewing underside with discal band broken and absent in space 3..... 8

- Hindwing upperside with postdiscal ocelli developed; forewing underside with discal band continuous and present in space 3.............................................................................................. C. irene

8 On both sides of forewing, subapical spot in space 4 white in color and distinctly separated from the postdiscal band; hindwing underside with subbasal line continuously extending from the anterior edge to the posterior edge............... C. miyatai

- On both sides of forewing, subapical spot in space 4 orange in color and fused with the postdiscal band as a whole; hindwing underside with subbasal line suddenly shifting towards the termen in space 1b..................................... 9

9 On underside of forewing the rectangular patch in space 2 is well separated from the basal diffused patch.............. 10

- On underside of forewing the rectangular patch in space 2 has its inner half nearly fused with the large diffused patch.................................................................................................... C. houae

10 On forewing upperside the costal spot is less developed, the patch in space 2 is diffused and blur.......... C. laurae laurae

- On forewing upperside the costal spot is well developed and more prominent, the patch in space 2 is more sharply defined and larger.......................................................................... C. laurae wuyishana ssp. n.