Post 16 no. 23.
Potanthus mingo. male.

3 species in Singapore have the abdominal end black-banded.

P. trachala.
https://4.bp.blogspot.com/-kvlAhJLLs...la-tytleri.jpg

P. serina.
https://www.butterflycircle.com/chec...serina-KSK.jpg

P. mingo,
https://3.bp.blogspot.com/-n2SGAeayU...0/_MG_1530.jpg