57b. Meandrusa payeni langsonensis (Fruhstorfer, 1901) (Figure 11 C–D)

Papilio payeni langsonensis Fruhstorfer, 1901; Soc. ent., 16 (12): 89; TL: ‘Than Moi, Tonkin’ [Thanh Moi, N. Vietnam].

Distribution: found in far eastern Yunnan, e.g., Honghe and Wenshan prefectures; also found in Guangxi and N. Vietnam.