Orthonama quadrisecta is a species of moth of the family Geometridae first described by Claude Herbulot in 1954.

It is found on Madagascar, Réunion, Mauritius and the Comoros.

[1] Its wingspan is around 18–21 mm.

The larvae feed on Polygonaceae (Rumex crispus)[2] This Xanthorhoini moth related article is a stub.

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