A common species on the wing from late June to August. Found in grassland, including machair, woodland rides and scrubby areas. The larval food-plant is common knapweed (Centaurea nigra). It can be confused with Eucosma cana as they have a food-plant in common.

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