Nymphicula mesorphna is a moth in the family Crambidae. It was described by Edward Meyrick in 1894. It is found in Myanmar, Japan and Taiwan.

The length of the forewings is 4.9-5.3 mm for males and 5.5-5.6 mm for females."A Systematic Study of the genus Nymphicula Snellen from Japan (Lepidoptera: Pyralidae)".

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