Scirpophaga xanthopygata is a species of moth in the family Crambidae. It is found in Russia,Fauna Europaea Ukraine, Korea, eastern China, Japan,Japanese Moths Vietnam and Taiwan.A revision of the Old World species of Scirpophaga (Lepidoptera: Pyralidae)

The wingspan is 22–41 mm for males and 23–47 mm for females.

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