Aethes margarotana is a species of moth of the family Tortricidae. It was described by Philogène Auguste Joseph Duponchel in 1836. It is found in most of Europe (except Ireland, the Benelux, Fennoscandia, Poland, the Baltic region, Switzerland and part of the Balkan Peninsula), Russia, North Africa and Iran., 2009: Synopsis of the Cochylini (Tortricidae: Tortricinae: Cochylini) of Iran, with the description of a new species. Zootaxa 2245: 1-31. The habitat consists of sand-dunes and shingle beaches.

The wingspan is .

The larvae feed on the flowers of Eryngium maritimum.

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