翅膀表面呈深蓝与黑色，边缘围绕着洁白的细线，上方点缀着两枚红色斑点。翅形近似三角形，正如其名，飞行迅捷而灵巧。
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.