Isma protoclea obscura.
The upperside shows the long tornal cilia of iapis/protoclea.
The underside is dark purplish; that of iapis is ochreous.
A Singaporean example. http://www.butterflycircle.com/forum...ad.php?t=11990
Potanthus lydia fraseri.
Larger & darker than omaha; the hindwing underside have the veins barely darkened.