''Nacaduba calauria'', the dark Ceylon six-lineblue, is a species of

lycaenid Lycaenidae is the second-largest family of butterflies (behind Nymphalidae, brush-footed butterflies), with over 6,000 species worldwide, whose members are also called gossamer-winged butterflies. They constitute about 30% of the known butterfl ...

butterfly found in

Indomalayan realm The Indomalayan realm is one of the eight biogeographic realms. It extends across most of South and Southeast Asia and into the southern parts of East Asia. Also called the Oriental realm by biogeographers, Indomalaya spreads all over the Indi ...

References

Butterflies of Asia Butterflies of Singapore Butterflies described in 1860 Taxa named by Baron Cajetan von Felder {{Lycaenidae-stub