Parnassius szechenyii is a high-altitude butterfly which is found in western China (Qinghai, Gansu, Sichuan, Yunnan and Tibet). It is a member of the snow Apollo genus (Parnassius) of the swallowtail family, Papilionidae. The species was first described by Imre Frivaldszky in 1886. Description P. szechenyi is distinguished by a very broad vitreous margin to the forewing, this band together with the submarginal one forming a broad distal area which is divided by a row of white contiguous half moons proximally sharply bordered with black; costal and hindmarginal spots filled in with pale red, of the costal ones at least the posterior. Hindwing with large, red, white-pupilled ocelli, broad black posterior area strongly irrorated with white, and two large black anal spots with blue filling, from which emanates forward an anteriorly vitreous grey and posteriorly black submarginal band. Underside of a peculiar greasy gloss, somewhat yellowish, most markings only feebly shining through. Shaft of antenna and fringes of wings whitish. Amdo (Kuku-nor), North-East Tibet.- germanae Aust. is a form in which both sexes, but especially the female, have the disc of the forewing shaded with black; hindwing with dark marginal band, the submarginal band separated into spots, the large blue-centred anal spots being accompanied further forward by two similar spots and a blackish subapical spot. Ta-tsien-lu, western China. Subspecies Parnassius szechenyii szechenyii Frivaldsky, 1886 Parnassius szechenyii choui Huang & Shi, 1994 China, Qinghai, Huzhu, 3500 m Parnassius szechenyii etsujii Morita, 1997 Tibet, 30 km west of Chali, 4700 m Parnassius szechenyii evacaki China, Qinghai, Qinghai-Nanshan, about 25 km north of Caka, 3500–4500 m Identification The Parnassius species of butterflies are often hard to identify and can sometimes only be identified by dissection of the genitalia. P. R. Ackery (1975) provides a key available online. References Turlin, Bernard & Manil, Luc (2005). Étude synoptique et répartition mondiale des espèces du genre "Parnassius" Latreille 1804 ("Lepidoptera Papilionidae"). Luc Manil, Paris. Further reading sv:Parnassius szechenyii - Swedish Wikipedia provides further references and synonymy External links "Tadumia choui Huang & Shi, 1994". Insecta.pro. szechenyii Taxa named by Imre Frivaldszky Butterflies described in 1886