Macrothyatira flavida is a moth in the family Drepanidae first described by Arthur Gardiner Butler in 1885. It is found in the Russian Far East (southern Sakhalin, southern Kuriles),A review of the Thyatirin-moths (Lepidoptera, Drepanidae: Thyatirinae) of the Russian Far East Taiwan, Japan and China (Henan, Shaanxi, Ningxia, Gansu, Zhejiang, Hubei, Hunan, Fujian, Sichuan, Yunnan).
The wingspan is . Adults are similar to Macrothyatira stramineata, but considerably smaller and much duller, the hindwings suffused with dull brownish grey.Seitz, Adalbert (1913) The Macrolepidoptera of the World: A Systematic Description of the Hitherto Known Macrolepidoptera. Archived from the original March 4, 2016.
Subspecies Macrothyatira flavida flavida (Taiwan, Japan, south-eastern Russia) Macrothyatira flavida tapaischana (Sick, 1941) (China: Henan, Shaanxi, Ningxia, Gansu, Zhejiang, Hubei, Hunan, Fujian, Sichuan, Yunnan)
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