Caltoris cormasa. Correction ; Caltoris malaya.
C. cormasa have a strong reddish tone to the underside HW>
http://3.bp.blogspot.com/-todEFNke3B...C_adult_02.jpg
http://2.bp.blogspot.com/-TjKxWVHrQm...herHern_01.jpg
https://1.bp.blogspot.com/-BHjCrmr1v...eclosed_01.jpg
http://4.bp.blogspot.com/-rdokaq4hmw...is-cormasa.jpg
http://2.bp.blogspot.com/-OOfX5p3pNC...0/DSC_0106.JPG
TL Seow: Cheers.