''Patania expictalis'' is a moth in the family Crambidae. It was described by Hugo Theodor Christoph in 1881. It is found in the Russian Far East (Amur),

China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...

and

Japan Japan ( ja, 日本, or , and formally , ''Nihonkoku'') is an island country in East Asia. It is situated in the northwest Pacific Ocean, and is bordered on the west by the Sea of Japan, while extending from the Sea of Okhotsk in the north ...

. The wingspan is .Japanese Moths
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References

Moths described in 1881 Moths of Asia Moths of Japan Spilomelinae {{Agroterini-stub