ID Needed for UFO

Here it is, UFO taken in Malaysia...Dr Seow please, thanks!
http://farm9.staticflickr.com/8298/7...8ca909_c_d.jpg

It is still Nacaduba angusta although it may looks a bit odd.(Thick striae & big black spot 6 on the hindwing.)

TL Seow:cheers:

Thanks Dr Seow for the ID! White Fourline Blue (Nacaduba angusta kerriana)