| Brown china mark | 
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| Scientific classification | 
| Domain: | Eukaryota | 
 
| Kingdom: | Animalia | 
 
| Phylum: | Arthropoda | 
 
| Class: | Insecta | 
 
| Order: | Lepidoptera | 
 
| Family: | Crambidae | 
 
| Genus: | Elophila | 
| Species: | E. nymphaeata | 
| Binomial name | 
| Elophila nymphaeata 
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| Synonyms | 
| Phalaena (Geometra) nymphaeata Linnaeus, 1758Nymphula nymphaeata auralis Osthelder, 1935Elophila interruptalis ezoensis Yoshiyasu, 1985Nymphula nymphaeata hederalis Amsel, 1935Hydrocampa algiralis Guenée, 1849Hydrocampa nigra Foucart, 1876Hydrocampa obscuralis Selys-Longchamps, 1845Hydrocampa nymphaealis Denis & Schiffermüller, 1775Nymphula latifaseata Rothschild, 1921Nymphula latifasciata Klima, 1937Nymphula nymphaeata f. reducta Lattin, 1958Nymphula sordidior Rothschild, 1921Nymphula umbrata Meder, 1934Phalaena (Geometra) potamogata Linnaeus, 1758Hydrocampa potamogetalis Reutti, 1898Hydrocampa potamogalis Denis & Schiffermüller, 1775Phalaena nympheata Hufnagel, 1767Phalaena rivulata Scopoli, 1763Elophila nymphaeata silarigla (Speidel, 1984)
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Elophila nymphaeata, the brown china mark, is a species of moth of the family Crambidae. It was described by Carl Linnaeus in his 1758 10th edition of Systema Naturae.