Overwinters as a pupa while adults can be disturbed during the day and then fly from dusk and come to light.
Note Similar to Rivulet but in that species the white cross-band has a single indentation rather than a double one on its inner edge and rarely a fainter cross-line nearer the base.
Recorded in 117 (84%) of 140 10k Squares. First Recorded in 1869. Last Recorded in 2022. (Data up to end 2022) Additional Stats
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