Pingasa alba is a moth of the family Geometridae first described by Charles Swinhoe in 1891. It is found in the Chinese provinces of Hubei, Hunan, Guangxi, Zhejiang, Yunnan, Fujian, Guizhou, Jiangxi and Sichuan,Catalogue of Life – China Node and in Taiwan and Japan.
Subspecies Pingasa alba alba Pingasa alba albida (Oberthür, 1913) (China: Yunnan, Sichuan) Pingasa alba brunnescens L. B. Prout, 1913 (Japan, China: Hubei, Hunan, Guangxi, Zhejiang, Fujian, Guizhou, Jiangxi, Sichuan) Pingasa alba yunnana Chu, 1981 (China: Yunnan)
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