Markku Savela's site gives range of the butterfly as Himalayas to Sri Lanka, Myanmar, and northern Thailand, the extended range being due to the inclusion of C. h. singalensis and C. h. dipora as part of the huegelii species.
According to Markku Savela's website, the butterfly's range extends from the Himalayas to Sri Lanka, Myanmar, and northern Thailand. The expanded range is due to the inclusion of C. h. singalensis and C. h. dipora within the huegelii species.