A very small Prosotas species photographed in Phayao province, northern Thailand.
I can only make this Prosotas lutea, but the generally buff colouration and the shape of some of the discal bands are dissimilar to my other photos.
In all photos I have seen, the outer discal band of the forewing has a "V" shape in the middle formed by the two central marks. This is not the case here.
Is this still Prosotas lutea? Some seasonal variation?
Many thanks
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