Macarostola eugeniella is a moth of the family Gracillariidae. It is known from Madagascar, MauritiusGlobal Taxonomic Database of Gracillariidae (Lepidoptera) and Réunion.Bippus, M., 2019. New records of Gracillariidae (Lepidoptera) from the islands of Madagascar, Mauritius and Réunion. - Phelsuma 27 (2019); 18-35.
The larvae feed on Syzygium cumini and Syzygium jambos (Myrtaceae). They mine the leaves of their host plant.
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