Coastal habitats and heathland.
Extremely variable in colour and can be difficult to tell apart from similar species, including Square-spot Dart (E.obelisca) and Coast Dart (E.cursoria).
To complicate matters further, some authorities consider there to be five separate species of White-line Dart of which there are two or three in Britain!
Recorded in 59 (80%) of 74 10k Squares.
First Recorded in 1834.
Last Recorded in 2022.