Nymphula corculina is a moth in the family Crambidae. It was described by Arthur Gardiner Butler in 1879. It is found in Japan (Hokkaido, Honshu) and the Russian Far East (Sakhalin, the Kuriles).
The length of the forewings is 7.4 mm for males and 8.2 mm for females. 1985: A systematic study of the Nymphulinae and the Musotiminae of Japan (Lepidoptera: Pyralidae). Scientific Reports of the Kyoto Prefectural University Agriculture, Kyoto 37: 1–162. Abstract and full article.
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