翅膀表面呈深藍色與黑色，翅緣繞著白邊，其上有兩個紅色斑點。翅形接近三角形，如名所示，飛行極為迅捷靈巧。
A butterfly with the upper side of the wings a deep blue and black, and especially, there is a white border along the edge of the wings. Also, there are two red spots on the top. The shape of the wings is close to a triangle, and as the name suggests, it flies very fast and nimbly.