Donacaula mucronella is a species of moth of the family Crambidae.

The forewings are brown; an ochreous- whitish costal streak, edged below with dark fuscous suffusion.

[1]See also Parsons et al. [2] The moth flies from June to September depending on the location.

The larvae feed on Carex, Carex riparia, Glyceria maxima and Phragmites.

This Schoenobiinae-related article is a stub.