The Blue Clipper (Parthenos sylvia) is a species of nymphalid butterfly found in South and South-East Asia. It is species found mostly in forested areas. The Clipper is a fast flying butterfly and has a habit of flying with its wings flapped stiffly between the horizontal position and a few degrees below the horizontal. It may glide between spurts of flapping.
Male and female. Upperside: ground-colour a bright blue-green, the subhyaline white spots near apex of cell in the fore wing more opaque, the broad discal band of large white spots proportionately more basal further from the termen and very irregular, the spots, especially towards the hinder part of the wing, more widely separated, the spot in interspace 5 more acutely triangular and smaller, the two spots above shifted obliquely inwards towards the costa, making the outer margin of the discal band angulate at interspaces