Wingspan around 20 mm. The whitish streaks on this moth are narrower than other similar species and the males are darker than the females.

Like several similar species, the moth is to be found in grassy areas.

One of the earliest Crambids to be seen during the year, with the adults flying from May through to August. Flies naturally at night, though it is easily disturbed in the daytime.

The larvae feed on various types of grass stem.

It is widespread and common throughout Britain. In the Butterfly Conservation’s Microlepidoptera Report 2011 this species was classified as common.

Quite common in Leicestershire and Rutland. L&R Moth Group status = A (common and resident)