Horace, you got an interesting pair there. The female at the top is clear- cut N. subperusia. Note the very narrow space between the two adjacent bands. The male at the bottom is another matter. The lower space in space 4 is very wide while the upper space in space 5 is narrower than the postdiscal band to the inside while much wider than the submarginal band. At least in N. sanaya the width of the two spaces are equally wide, while the marginal spot in space 3 looks similar.Originally Posted by horace2264
Many thanks for confirming that the 4-Line Blue is indeed Nacaduba sanaya.
I had also bred another 4-Line Blue species sometimes back. Attached below are pics of the adults. The first pic shows a female and the 2nd a male. I am still not too sure whether it is a N. superusia or N. sanaya.
Your comments on their ID will be very much appreciated.
This is one of those individual variation that can cause a lot of confusion. It is a good thing that you bred the specimen otherwise we will not be aware of it
TL Seow
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