Abundant during June and July in various habitats, including calcareous grassland (machair). It is attracted to moth lamps but also flies by day. The food-plants are many herbaceous plants. The pale form (depicted below) is more commonly found farther north in the Faeroes and Scandinavia.

References: 
Sterling, P. & Parsons, M. (2023 second edition). Field Guide to the Micro-moths of Great Britain and Ireland.