Tridrepana postica

Part of postica group, Han et al 2011.
Lepindex lists , Tridrepana xanthoptera as a junior synonym of Tridrepana postica.
Tridrepana postica (Moore, 1879)
Drepana postica Moore, 1879. Descr. Lep. Atk. Pg. 84, Pl 2, fig. 8. Text at https://www.biodiversitylibrary.org/item/26805#page/102/mode/1up. Plate at https://www.biodiversitylibrary.org/item/26805#page/327/mode/1up
Drepana postica Dudgeon, 1899. JBNHS 12: 653.
Drepana xanthoptera Hampson, Fauna Br. India (Moths), 1: 341.
Tridrepana postica Watson, 1957. A revision of the genus Tridrepana Swinhoe (Lepidoptera: Drepanidae). Bull.Br.Mus.nat.Hist.(Ent.),4:472.
Obs ID 2386 on MOI. Small white fiscal spot on FW visible when image is zoomed into.
Similar species: Tridrepana argentistriga ,Tridrepana rectifascia, (extralimital)
See Watson, 1957 for differences.
See Obs 2386 also.