Euthalia franciae

Euthalia franciae, the French duke, is a species of nymphalid butterfly found in the Indomalayan realm.
Characteristic of the under surface is the delicate blue-green, bronze-like ground-colour which is richly suffused with silver-grey, and on the hindwings adorned with stripes of pale lilac, especially in specimens of the dry-season. The forewing underside with a large quadrate black spot at the anal angle, longitudinal band broad and clearer white.
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Subspecies