Ostrinia palustralis is a species of moth in the family Crambidae described by Jacob Hübner in 1796.

In Europe, it is found from Sweden south to Italy and east through eastern Europe to Russia.

However, it is absent from the western part of the Balkan Peninsula.

[2] The larvae feed on Rumex species, including Rumex hydrolapathum and Rumex aquaticus.

This Pyraustinae-related article is a stub.