21. https://www.inaturalist.org/observations/205064831
Likely as Dacalana vidura or ugraded as D. azyada.

The three species D. cremera, sinhara & vidura are so similar that there is great confusion in the past.
Thus it is necessary to stick to the key closely.

Dacalana burmana.
Orange patch small Postdiscal spots a series of lunules (crescent moons)
https://wingscales.com/Lycaenidae/Da...urmana-burmana
https://www.inaturalist.org/observations/223492304

Dacalana cremera.
UnH with an orange band in space 1a edging the black tornal spot.
Note male on the right have an orange band between the black spot and the epecklrd patch.
https://www.inaturalist.org/observations/257506614

The next two are the most confusing.

Dacalana sinhara.
UnH orange patch large reaching & obliterating the black striae above it.
https://www.inaturalist.org/observations/180109969
https://www.inaturalist.org/observations/222426031
https://www.inaturalist.org/observations/222426034
https://www.inaturalist.org/observations/69837990
https://www.inaturalist.org/observations/233218168

Dacalana vidura (or as azyada.)
UnH orange patch smaller, generally confined to space 2,may reach but not obliterating the black striae above it.
https://www.inaturalist.org/observations/219059777
https://www.inaturalist.org/observations/196346110
https://www.inaturalist.org/observations/150918844
https://www.inaturalist.org/observations/37785975