Now Subspecies :
Zilli et al., 2023 had this to say . . .
The concepts of P. (M.) torsilinea (Guenée, 1852) and P. (M.) ciacula Swinhoe, 1893 are found to have been based on the two sexes of the same species and are therefore brought together, though the latter is ranked as a subspecies (stat. nov.)
Zilli, A.; de Vos, R. & Edwards, E.D., 2021. The torsilinea species group (subgenus Mocrendes Nye, 1975) of the genus Platyja Hübner, [1823] (Lepidoptera: Erebidae), with descriptions of four new species. pp 413-430 in Telnov, D.; Barclay, M.V.L. & Pauwels, O.S.G. (eds). Biodiversity, Biogeography and Nature Conservation in Wallacea and New Guinea. volume 4. The Entomological Society of Latvia, Rīga, 443 pp. (連結)