Hypolycaena asahi is a butterfly

Butterfly

A butterfly is a mainly day-flying insect of the order Lepidoptera, which includes the butterflies and moths. Like other holometabolous insects, the butterfly's life cycle consists of four parts: egg, larva, pupa and adult. Most species are diurnal. Butterflies have large, often brightly coloured...

 of the Lycaenidae

Lycaenidae

The Lycaenidae are the second-largest family of butterflies, with about 6000 species worldwide, whose members are also called gossamer-winged butterflies...

 family. It is found in Indonesia

Indonesia

Indonesia , officially the Republic of Indonesia , is a country in Southeast Asia and Oceania. Indonesia is an archipelago comprising approximately 13,000 islands. It has 33 provinces with over 238 million people, and is the world's fourth most populous country. Indonesia is a republic, with an...

(including Ambon, central Malaku and Seram).

The length of the forewings is about 13 mm. Both the fore and hindwings are metallic blue with dark borders. The forewing black border is about 1 mm wide at the tornus but rapidly widening along the termen to meet the costa at its mid-point, then running down to the base, but not quite entering the cell. The hindwings are black between veins seven and eight, and have a dark grey dorsal border. There is a small black tornal lobe with a white marginal streak. There are also white-tipped black tails.