翅膀表面为黑色底，一条宽阔的蓝色条纹横贯前、后翅，越靠近翅根，蓝色越浓。前翅边缘与末端点缀着白色斑点，与内侧形成鲜明对比。
A butterfly with the upper side of the wings of a black background and a broad blue stripe running across both the forewings and hindwings. The blue deepens toward the base of the wings. White spots are scattered on the edges and tips of the forewings, contrasting with the inner side.