This species flies during the day high around the tops of birch trees before they come into leaf. The moths fly lower during the afternoon and drink and bask at puddles.
Pupates in the surface of soft bark.
Birch heathland and woodland.
Recorded in 17 (6.3%) of the 270 2km squares of Huntingdonshire.
Last recorded in April 2019
Recorded date range (Adult): 14 March to 24 September