Apamea crenata, the clouded-bordered brindle, is a moth of the family Noctuidae. It is distributed throughout the Palearctic ecozone. This species has a wingspan of 36 to 44 mm. The forewings are pale brown with darker patches around the margin, usually with especially prominent markings at the base and tornus. The hindwings are greyish with darker venation. Melanic forms occur fairly frequently. This moth flies at night and is attracted to light and sugar and especially to nectar-rich flowers. In the British Isles it is active from May to July.