Xenotrachea albidisca

SS: This is not a Gaurena species, but probably a Noctuinae. Needs investigation.
SS: Xenotrachea albidisca Moore, 1867
Hadena albidisca Moore, 1867, Proc. zool. Soc. Lond., 1867:59. Text at https://archive.org/details/proceedingsofzoo1867zool/page/59/mode/1up?view=theater
Plate at https://archive.org/details/proceedingsofzoo1867zool/page/n1132/mode/1up?view=theater
Dianthaecia nivescens Butler, 1889, Ill. typical Specimens Lep. Het. Colln Br. Mus., 7: 58.
Xenotrachea albidisca Moore; Holloway, 1976: 12; Kishida & Yoshimoto, 1979: 275.
MON Part 1, Pl. 15/25.
Chandra et al 2019. Assemblages. Pl. 145.24.
MOT, Vol. 3, Part 2, Pl. 46/11-12.
https://www.mothsofborneo.com/part-12/amphipyrinae/amphipyrinae_7_1.php
Similar species:
Xenotrachea chrysochlora MON Part 1, Pl. 15/26.
Numerous other Xenotrachea species but none with as extensive white on disc.

RS: Some variation does exist but I agree that the white discal patch seems to be unique and prominent in this species.
YS: Agreed, X. irrorata has some white patches, but nothing as extensive