Langia zenzeroides

The record of the largest wingspan of this species in the past was 15.6cm. However, most individuals collected in Qingcheng Mountain have a wingspan of more than 16cm, and the largest wingspan ranges up to 17.5cm. Its body and wings are blue-gray, chest and back are yellowish-brown, and the abdomen is gray. The front wing has oblique white bands from the base to the apex with purple-black fine spots scattering on it. There are three continuous purple-black twills from the apex to the center of the rear edge, and the outer edge is serrated. The hind wing is brown-gray, with white and purple-black stripes near the back corner. From the ventral side, its front and rear wings are orange-grey with purple spots. Found in the mountainous areas of western Sichuan, China .