Immigrant and recent resident.
Coastal habitats, heathland, fens, woodland, scrub, gardens.
Round pure white mark on forewing diagnostic.
Since 2000 this species has established itself in the County, with only 5 records in 2000, 557 records by 2014, and now regularly recorded.
Recorded in 64 (86%) of 74 10k Squares.
First Recorded in 1940.
Last Recorded in 2021.