There are both Jamides celeno.
J. celeno Upperside male with a broad black border.
UnH white striae arrangement very variable.
Black spot with the silvery bars irregular or absent.
https://lh3.googleusercontent.com/pr...hH6gN3prCzpzMQ
https://3.bp.blogspot.com/-Z1iOzC1ws...t_Bobby_01.jpg
Of the other two similer spp. recorded in Singapore.
Jamides pura ?extinct.
Upperside male with a thin black border.
UnH white striae always seem to be well arranged.
Black spot with prominent silvery side-bars.
https://www.ifoundbutterflies.org/me..._7/a-29242.jpg
https://farm6.staticflickr.com/5494/...65d57a1b_c.jpg
Jamides malaccanus.
Male upperside brilliant blue.
UnH white striae all of equal length & reaching the upper margin ,forming 3 complete bands.
http://www.butterflycircle.com/check...20-%20Khew.jpg
TL Seow; Cheers.