Clouded-bordered Brindle Apamea crenata
Wingspan 36-44 mm.
Commonly occurring throughout most of the British Isles, occupying a variety of habitats, there is a frequent brownish or melanic variant, ab. combusta, in addition to the well-marked typical form.
The single generation flies in June and July, sometimes earlier, and is frequent at light.
The caterpillars feed on various grasses.