Ancema ctesia, the bi-spot royal, is a species of blue butterfly (Lycaenidae) found in Pakistan and India.
The larvae feed on Viscum articulatum.
Subspecies
The following subspecies are recognised:
- Ancema ctesia ctesia (Sikkim, Assam, Thailand, Peninsular Malaya, possibly Bhutan and Burma)
- Ancema ctesia agalla <small>(Fruhstorfer, 1912)</small> (Thailand, Laos, southern Yunnan, Sichuan)
- Ancema ctesia cakravasti <small>(Fruhstorfer, 1909)</small> (Taiwan)
References