A relatively large and dark species.
Heathland, Alder groves, woodland edges, streamsides etc.
Found in Norfolk at suitable Broadland sites, especially where alder saplings grow.
Overwinters as a larva at least twice.
Pheromone attractants: tip.
Pheromone activity day time: 9:30-18:00, peak 11:00-16:00.
Anglian Lepidopterist Supplies
Several recent records, Norfolk Broads.
Recorded in 13 (19%) of 69 10k Squares.
First Recorded in 1874.
Last Recorded in 2020.