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Apatelodes pandarioides
Bombycidae, Apatelodinae, Apatelodes sp.. Looks similar to Apatelodes pandana and Apatelodes pandarioides. But I have my little doubts about these two species. If it is really one of the two I would slightly tend to Apatelodes pandarioides. I can't see a stronger colors border next to the darker triangle as is typical for Pandana.
Best is you check the different species from the link above. There are several from the same species mentioned.