The females of Cratilla lineata and Cratilla metallica are not too hard to be told apart. At first glance, the wing tips for both the females are tinted. However, the edge of the tinted area is more defined and darker in C. metallica than C. lineata. Apart from that, the colour of C. metallica is metallic but not so in C. lineata.
Cratilla lineata
Cratilla metallica
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